OMRON NX-EC0[][][]Automation Systems/ Machine Automation Controllers/NX-series I/O System

OMRON NX-EC0[][][] Automation Systems

NX-EC0[][][] NX-series Incremental Encoder Input Unit/Specifications
NX-EC0[][][] NX-series Incremental Encoder Input Unit/Catalog
NX-EC0[][][] NX-series Incremental Encoder Input Unit/Dimensions
NX-EC0[][][] NX-series Incremental Encoder Input Unit/Lineup
Purchase the OMRON NX-EC0[][][] NX-series I/O System

OMRON NX-EC0[][][] Dimensions

/Images/l_3190-25-171605-198x198.jpg

last update: March 1, 2017

• Open collector output type and line driver output type Incremental Encoders can be connected

• High-speed remote I/O control with communications cycle as fast as 125 μs*1

• Free-run refreshing, synchronous I/O refreshing, or task period prioritized refreshing*2 with the NX1P2 CPU Unit or EtherCAT Coupler Unit

• The MC Function Modules of the NJ/NX/NY5 Controllers allows the encoder to be used as a motion axis

• Latching (1 internal signal and 2 input signals from external devices)

• Pulse Period Measurement

• 32 bit counters (80000000 to 7FFFFFFF HEX)

• Maximum counting rate: 4 MHz (Line receiver: 4 MHz, Open collector: 500 kHz)

• Time Stamping

• Maximum and minimum counter value setting

• Connect to the CJ PLC using the EtherNet/IP^TM bus coupler

*1. When using the NX-EC01[][] together with the NX701-[][][][] and NX-ECC203.
*2. Task Period Prioritized refreshing is available when the NX-ECC203 is used together.

Sysmac is a trademark or registered trademark of OMRON Corporation in Japan and other countries for OMRON factory automation products.
EtherCAT® is a registered trademark and patented technology, licensed by Beckhoff Automation GmbH, Germany. EtherNet/IP™ is a trademark of ODVA.
Other company names and product names in this document are the trademarks or registered trademarks of their respective companies.

last update: March 1, 2017

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OMRON NX-EC0[][][] specification
NX-EC0[][][] NX-series Incremental Encoder Input Unit/Specifications
last update: August 1, 2018
General Specification

Item Specification
Enclosure Mounted in a panel
Grounding method Ground to less than 100 Ω
Operating
environment Ambient operating temperature 0 to 55°C
Ambient operating humidity 10% to 95% (with no condensation or icing)
Atmosphere Must be free from corrosive gases.
Ambient storage temperature -25 to 70°C (with no condensation or icing)
Altitude 2,000 m max.
Pollution degree Pollution degree 2 or less: Conforms to JIS B3502 and IEC 61131-2.
Noise immunity Conforms to IEC61000-4-4, 2 kV (power supply line)
Overvoltage category Category II: Conforms to JIS B3502 and IEC 61131-2.
EMC immunity level Zone B
Vibration resistance Conforms to IEC 60068-2-6.
5 to 8.4 Hz with 3.5-mm amplitude, 8.4 to 150 Hz, acceleration of
9.8 m/s², 100 min each in X, Y, and Z directions (10 sweeps of 10
min each = 100 min total)
Shock resistance Conforms to IEC 60068-2-27. 147 m/s², 3 times each in X, Y, and
Z directions
Applicable standards * cULus: Listed (UL508) or Listed (UL 61010-2-201),ANSI/ISA
12.12.01,
EU: EN 61131-2, C-Tick or RCM, KC Registration, NK, LR

*Ask your OMRON representative for the most recent applicable standards for each model.

Incremental Encoder Input Unit Specifications
Incremental Encoder Input Unit
NX-EC0112

Unit name Incremental Encoder Input Unit Model NX-EC0112
Number of channels 1 channel Type of external
connections Screwless clamping terminal block
(16 terminals)
I/O refreshing method Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators Input signals Counter: Phases A, B, and Z
External Inputs: 3
Input form Voltage input (24 V)
Counting unit Pulses
Pulse input method Phase differential pulse (multiplication x2/4), pulse + direction inputs,
or up and down pulse inputs
Counter range -2,147,483,648 to 2,147,483,647 pulses
Counter functions
Counter type Ring counter or linear counter
Counter controls Gate control, counter reset, and counter preset
Latch function Two external input latches and one internal latch
Measurements Two external input latches and one internal latch
Voltage input specifications
Input voltage 20.4 to 28.8 VDC
(24 VDC +20%/-15%) ON voltage 19.6 VDC min./3 mA min.
Input current 4.2 mA typical (24 VDC) OFF voltage 4.0 VDC max./1 mA max.
Maximum response
frequency Phases A and B: Single-phase 500 kHz (phase differential pulse input x4: 125 kHz),
Phase Z: 125 kHz
Internal I/O common
processing NPN
External input specifications
Input voltage 20.4 to 28.8 VDC
(24 VDC +20%, -15%) ON voltage/
ON current 15 VDC min./3 mA min.
Input current 4.6 mA typical (24 VDC) OFF voltage/
OFF current 4.0 VDC max./1 mA max.
ON/OFF response
time 1 μs max./2 μs max.
Internal I/O common
processing NPN
Dimensions 12 × 100 × 71 mm
(W × H × D) Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC) Dielectric
strength 510 VAC between isolated circuits
for 1 minute with leakage current
of 5 mA max.
I/O power supply
method Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%, -15%) Current capacity
of I/O power
supply terminals IOV: 0.3 A max. per terminal for
encoder supply section and 0.1 A
max. per terminal for other
sections
IOG: 0.3 A max. per terminal for
encoder supply section and 0.1 A
max. per terminal for other
sections
NX Unit power
consumption • Connected to a CPU Unit
1.15 W max.
• Connected to a Commu-
nications Coupler Unit
0.85 W max. Current
consumption from
I/O power supply None
Weight 70 g max.
Circuit layout
Installation orientation
and restrictions Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: There are no restrictions.
Terminal connection
diagram
Failure detection None Protection None

* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.

NX-EC0122

Unit name Incremental Encoder Input Unit Model NX-EC0122
Number of channels 1 channel Type of external
connections Screwless push-in terminal block
(16 terminals)
I/O refreshing method Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators Input signals Counter: Phases A, B, and Z
External Inputs: 3
Input form Voltage input (24 V)
Counting unit Pulses
Pulse input method Phase difference pulse (multiplication x2/4), pulse + direction inputs,
or up and down pulse inputs
Counter range -2,147,483,648 to 2,147,483,647 pulses
Counter functions
Counter type Ring counter or linear counter
Counter controls Gate control, counter reset, and counter preset
Latch function Two external input latches and one internal latch
Measurements Two external input latches and one internal latch
Voltage input specifications
Input voltage 20.4 to 28.8 VDC
(24 VDC +20%/-15%) ON voltage 19.6 VDC min./3 mA min.
Input current 4.2 mA typical (24 VDC) OFF voltage 4.0 VDC max./1 mA max.
Maximum response
frequency Phases A and B: Single-phase 500 kHz (phase difference pulse input x4: 125 kHz),
Phase Z: 125 kHz
Internal I/O common
processing PNP
External input specifications
Input voltage 20.4 to 28.8 VDC
(24 VDC +20%/-15%) ON voltage/
ON current 15 VDC min./3 mA min.
Input current 4.6 mA typical (24 VDC) OFF voltage/
OFF current 4.0 VDC max./1 mA max.
ON/OFF response
time 1 μs max./2 μs max.
Internal I/O common
processing PNP
Dimensions 12 × 100 × 71 mm
(W × H × D) Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC) Dielectric
strength 510 VAC between isolated circuits
for 1 minute with leakage current
of 5 mA max.
I/O power supply
source Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%/-15%) Current capacity
of I/O power
supply terminals IOV: 0.3 A max. per terminal for
encoder supply section and 0.1 A
max. per terminal for other
sections
IOG: 0.3 A max. per terminal for
encoder supply section and 0.1 A
max. per terminal for other
sections
NX Unit power
consumption • Connected to a CPU Unit
1.30 W max.
• Connected to a Commu-
nications Coupler Unit
0.95 W max. Current
consumption from
I/O power supply None
Weight 70 g max.
Circuit layout
Installation orientation
and restrictions Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: There are no restrictions.
Terminal connection
diagram
Failure detection None Protection None

* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.

NX-EC0132

Unit name Incremental Encoder Input Unit Model NX-EC0132
Number of channels 1 channel Type of external
connections Screwless clamping terminal block
(12 terminals × 2)
I/O refreshing method Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators Input signals Counter: Phases A, B, and Z
External Inputs: 3
Input form Line receiver input
Counting unit Pulses
Pulse input method Phase differential pulse (multiplication x2/4), pulse + direction inputs,
or up and down pulse inputs
Counter range -2,147,483,648 to 2,147,483,647 pulses
Counter functions
Counter type Ring counter or linear counter
Counter controls Gate control, counter reset, and counter preset
Latch function Two external input latches and one internal latch
Measurements Pulse rate measurement and pulse period measurement
Line driver specifications
Input voltage EIA standard RS-422-A line
driver levels High level input
voltage VIT+: 0.1 V min.
Input impedance 120 Ω ± 5% Low level input
voltage VIT-: -0.1 V min.
Hysteresis voltage Vhys (VIT+ - VIT-): 60 mV
Maximum response
frequency Phases A and B: Single-phase 4 MHz (phase differential pulse input x4: 1 MHz),
Phase Z: 1 MHz
5-V power supply for
encoder Output voltage: 5 VDC ±5%
Output current: 500 mA max.
External input specifications
Input voltage 20.4 to 28.8 VDC
(24 VDC +20%, -15%) ON voltage/
ON current 15 VDC min./3 mA min.
Input current 3.5 mA typical (24 VDC) OFF voltage/
OFF current 5.0 VDC max./1 mA max.
ON/OFF response
time 1 μs max./1 μs max.
Internal I/O common
processing NPN
Dimensions 12 × 100 × 71 mm
(W × H × D) Isolation method Digital isolator
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC) Dielectric
strength 510 VAC between isolated circuits
for 1 minute with leakage current
of 5 mA max.
I/O power supply
method Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%, -15%) Current capacity
of I/O power
supply terminals IOV: 0.1 A max. per terminal
IOG: 0.1 A max. per terminal
NX Unit power
consumption • Connected to a CPU Unit
1.25 W max.
• Connected to a Commu-
nications Coupler Unit
0.95 W max. Current
consumption from
I/O power supply Unit current consumption: 30 mA max.
Consumption from encoder
5-V power supply:
0.28 × Encoder current consumption mA
Weight 130 g max.
Circuit layout
Installation orientation
and restrictions Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: There are no restrictions.
Terminal connection
diagram
Failure detection None Protection None

* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.

NX-EC0142

Unit name Incremental Encoder Input Unit Model NX-EC0142
Number of channels 1 channel Type of external
connections Screwless push-in terminal block
(12 terminals × 2)
I/O refreshing method Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators Input signals Counter: Phases A, B, and Z
External Inputs: 3
Input form Line receiver input
Counting unit Pulses
Pulse input method Phase difference pulse (multiplication x2/4), pulse + direction inputs,
or up and down pulse inputs
Counter range -2,147,483,648 to 2,147,483,647 pulses
Counter functions
Counter type Ring counter or linear counter
Counter controls Gate control, counter reset, and counter preset
Latch function Two external input latches and one internal latch
Measurements Pulse rate measurement and pulse period measurement
Line driver specifications
Input voltage EIA standard RS-422-A line
driver levels High level input
voltage VIT+: 0.1 V min.
Input impedance 120 Ω ± 5% Low level input
voltage VIT-: -0.1 V min.
Hysteresis voltage Vhys (VIT+ - VIT-): 60 Mv
Maximum response
frequency Phases A and B: Single-phase 4 MHz (phase difference pulse input x4: 1 MHz),
Phase Z: 1 MHz
5-V power supply for
encoder Output voltage: 5 VDC
Output current: 500 mA max.
External input specifications
Input voltage 20.4 to 28.8 VDC
(24 VDC +20%/.15%) ON voltage/
ON current 15 VDC min./3 mA min.
Input current 3.5 mA typical (24 VDC) OFF voltage/
OFF current 4.0 VDC max./1 mA max.
ON/OFF response
time 1 μs max./2 μs max.
Internal I/O common
processing PNP
Dimensions 12 × 100 × 71 mm
(W × H × D) Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC) Dielectric
strength 510 VAC between isolated circuits
for 1 minute with leakage current
of 5 mA max.
I/O power supply
source Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%/-15%) Current capacity
of I/O power
supply terminals IOV: 0.1 A max. per terminal
IOG: 0.1 A max. per terminal
NX Unit power
consumption • Connected to a CPU Unit
1.50 W max.
• Connected to a Commu-
nications Coupler Unit
1.05 W max. Current
consumption from
I/O power supply Unit current consumption: 30 mA max.
Consumption from encoder
5-V power supply:
0.28 × Encoder current consumption mA
Weight 130 g max.
Circuit layout
Installation orientation
and restrictions Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: There are no restrictions.
Terminal connection
diagram
Failure detection None Protection None

* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.

NX-EC0212

Unit name Incremental Encoder Input Unit Model NX-EC0212
Number of channels 2 channels Type of external
connections Screwless clamping terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators Input signals Counter: Phases A, B, and Z
External Inputs: None
Input form Voltage input (24 V)
Counting unit Pulses
Pulse input method Phase differential pulse (multiplication x2/4), pulse + direction inputs,
or up and down pulse inputs
Counter range -2,147,483,648 to 2,147,483,647 pulses
Counter functions
Counter type Ring counter or linear counter
Counter controls Gate control, counter reset, and counter preset
Latch function Two external input latches and one internal latch
Measurements Two external input latches and one internal latch
Voltage input specifications
Input voltage 20.4 to 28.8 VDC
(24 VDC +20%, -15%) ON voltage 19.6 VDC min./3 mA min.
Input current 4.2 mA typical (24 VDC) OFF voltage 4.0 VDC max./1 mA max.
Maximum response
frequency Phases A and B: Single-phase 500 kHz (phase differential pulse input x4: 125 kHz),
Phase Z: 125 kHz
Internal I/O common
processing NPN
External input specifications
Input voltage - ON voltage/
ON current -
Input current - OFF voltage/
OFF current -
ON/OFF response time -
Internal I/O common
processing -
Dimensions 12 × 100 × 71 mm
(W × H × D) Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC) Dielectric
strength 510 VAC between isolated circuits
for 1 minute with leakage current
of 5 mA max.
I/O power supply
method Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%, -15%) Current capacity
of I/O power
supply terminals IOV: 0.3 A max. per terminal
IOG: 0.3 A max. per terminal
NX Unit power
consumption • Connected to a CPU Unit
1.15 W max.
• Connected to a Commu-
nications Coupler Unit
0.85 W max. Current
consumption from
I/O power supply None
Weight 70 g max.
Circuit layout
Installation orientation
and restrictions Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: There are no restrictions.
Terminal connection
diagram
Failure detection None Protection None

* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.

NX-EC0222

Unit name Incremental Encoder Input Unit Model NX-EC0222
Number of channels 2 channels Type of external
connections Screwless push-in terminal block
(12 terminals)
I/O refreshing method Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators Input signals Counter: Phases A, B, and Z
External Inputs: None
Input form Voltage input (24 V)
Counting unit Pulses
Pulse input method Phase difference pulse (multiplication x2/4), pulse + direction inputs,
or up and down pulse 3inputs
Counter range -2,147,483,648 to 2,147,483,647 pulses
Counter functions
Counter type Ring counter or linear counter
Counter controls Gate control, counter reset, and counter preset
Latch function Two external input latches and one internal latch
Measurements Two external input latches and one internal latch
Voltage input specifications
Input voltage 20.4 to 28.8 VDC
(24 VDC +20%/-15%) ON voltage 19.6 VDC min./3 mA min.
Input current 4.2 mA typical (24 VDC) OFF voltage 4.0 VDC max./1 mA max.
Maximum response
frequency Phases A and B: Single-phase 500 kHz (phase difference pulse input x4: 125 kHz),
Phase Z: 125 kHz
Internal I/O common
processing PNP
External input specifications
Input voltage - ON voltage/
ON current -
Input current - OFF voltage/
OFF current -
ON/OFF response
time -
Internal I/O common
processing -
Dimensions 12 × 100 × 71 mm
(W × H × D) Isolation method Photocoupler isolation
Insulation resistance 20 MΩ min. between isolated
circuits (at 100 VDC) Dielectric
strength 510 VAC between isolated circuits
for 1 minute with leakage current
of 5 mA max.
I/O power supply
source Supplied from the NX bus.
20.4 to 28.8 VDC
(24 VDC +20%/-15%) Current capacity
of I/O power
supply terminals IOV: 0.3 A max. per terminal
IOG: 0.3 A max. per terminal
NX Unit power
consumption • Connected to a CPU Unit
1.30 W max.
• Connected to a Commu-
nications Coupler Unit
0.95 W max. Current
consumption from
I/O power supply None
Weight 70 g max.
Circuit layout
Installation orientation
and restrictions Installation orientation:
• Connected to a CPU Unit: Possible in upright installation.
• Connected to a Communications Coupler Unit: Possible in 6 orientations.
Restrictions: There are no restrictions.
Terminal connection
diagram
Failure detection None Protection None

* The I/O refreshing method is automatically set according to the connected Communications Coupler Unit and CPU Unit.

Version Information
Connected to a CPU Unit

Refer to the user's manual for the CPU Unit details on the CPU Units to which NX Units can be connected.

NX Unit Corresponding unit versions/versions
Model Unit version CPU Unit Sysmac Studio
NX-EC0112 Ver. 1.1 Ver.1.13 Ver.1.17
Ver. 1.2
NX-EC0122 Ver. 1.0 Ver.1.13 Ver.1.17
Ver. 1.1
Ver. 1.2
NX-EC0132 Ver. 1.1 Ver.1.13 Ver.1.17
Ver. 1.2
NX-EC0142 Ver. 1.0 Ver.1.13 Ver.1.17
Ver. 1.1
Ver. 1.2
NX-EC0212 Ver. 1.1 Ver.1.13 Ver.1.17
Ver. 1.2
NX-EC0222 Ver. 1.0 Ver.1.13 Ver.1.17
Ver. 1.1
Ver. 1.2

Note: Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version, support is provided by the oldest available version after the specified version. Refer to the user’s manuals for the specific Units for the relation between models and versions.

Connected to an EtherCAT Coupler Unit

NX Unit Corresponding unit versions/versions
Model Unit version EtherCAT
Coupler Unit CPU Unit or Industrial PC Sysmac Studio
NX-EC0112 Ver. 1.1 Ver. 1.1 *1 Ver. 1.06 *1 Ver. 1.10
Ver. 1.2 Ver. 1.3 *2*3 Ver. 1.13
NX-EC0122 Ver. 1.0 Ver. 1.1 *1 Ver. 1.06 *1 Ver. 1.07
Ver. 1.1 Ver. 1.08
Ver. 1.2 Ver. 1.3 *2*3 Ver. 1.13
NX-EC0132 Ver. 1.1 Ver. 1.1 *1 Ver. 1.06 *1 Ver. 1.10
Ver. 1.2 Ver. 1.3 *2*3 Ver. 1.13
NX-EC0142 Ver. 1.0 Ver. 1.1 *1 Ver. 1.06 *1 Ver. 1.07
Ver. 1.1 Ver. 1.08
Ver. 1.2 Ver. 1.3 *2*3 Ver. 1.13
NX-EC0212 Ver. 1.1 Ver. 1.1 *1 Ver. 1.06 *1 Ver. 1.10
Ver. 1.2 Ver. 1.3 *2*3 Ver. 1.13
NX-EC0222 Ver. 1.0 Ver. 1.1 *1 Ver. 1.06 *1 Ver. 1.07
Ver. 1.1 Ver. 1.08
Ver. 1.2 Ver. 1.3 *2*3 Ver. 1.13

Note: Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version, support is provided by the oldest available version after the specified version. Refer to the user’s manuals for the specific Units for the relation between models and versions.
*1. You can use the following versions if time stamp refreshing is not used.
*2. To use task period prioritized refreshing, you must use the NX-ECC203.
*3. If you do not use task period prioritized refreshing, you can use EtherCAT Coupler Units which support Position Interface Units with unit version 1.1 or earlier.
*4. If you do not use task period prioritized refreshing, you can use EtherCAT Coupler Units with unit version 1.0.

Connected to an EtherNet/IP Coupler Unit

NX Unit Corresponding unit versions/versions
Model Unit
version Application with an NJ/NX/NY-series Controller
*1 Application with a CS/CJ/CP-series PLC *2
EtherNet/IP
Coupler Unit CPU Unit or
Industrial PC Sysmac
Studio EtherNet/IP
Coupler Unit Sysmac
Studio NX-IO
Configurator *3
NX-EC0112 Ver. 1.1 Ver. 1.2 Ver. 1.14 Ver. 1.19 Ver. 1.0 Ver. 1.10 Ver. 1.00
Ver. 1.2 Ver. 1.13
NX-EC0122 Ver. 1.0 Ver. 1.2 Ver. 1.14 Ver. 1.19 Ver. 1.0 Ver. 1.10 Ver. 1.00
Ver. 1.1
Ver. 1.2 Ver. 1.13
NX-EC0132 Ver. 1.1 Ver. 1.2 Ver. 1.14 Ver. 1.19 Ver. 1.0 Ver. 1.10 Ver. 1.00
Ver. 1.2 Ver. 1.13
NX-EC0142 Ver. 1.0 Ver. 1.2 Ver. 1.14 Ver. 1.19 Ver. 1.0 Ver. 1.10 Ver. 1.00
Ver. 1.1
Ver. 1.2 Ver. 1.13
NX-EC0212 Ver. 1.1 Ver. 1.2 Ver. 1.14 Ver. 1.19 Ver. 1.0 Ver. 1.10 Ver. 1.00
Ver. 1.2 Ver. 1.13
NX-EC0222 Ver. 1.0 Ver. 1.2 Ver. 1.14 Ver. 1.19 Ver. 1.0 Ver. 1.10 Ver. 1.00
Ver. 1.1
Ver. 1.2 Ver. 1.13

Note: 1. Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version, support is provided by the oldest available version after the specified version. Refer to the user’s manuals for the specific Units for the relation between models and versions.
Note: 2. You cannot connect the relevant NX Unit or use the relevant NX Unit function if “---” is shown in the corresponding unit versions/versions column.
*1. Refer to the user's manual of the EtherNet/IP Coupler Unit for the unit versions of EtherNet/IP Units corresponding to EtherNet/IP Coupler Units.
*2. Refer to the user's manual of the EtherNet/IP Coupler Unit for the unit versions of CPU Units and EtherNet/IP Units corresponding to EtherNet/IP Coupler Units.
*3. For connection to an EtherNet/IP Coupler Unit with unit version 1.0, connection is supported only for a connection to the peripheral USB port on the EtherNet/IP Coupler Unit. You cannot connect by any other path. If you need to connect by another path, use an EtherNet/IP Coupler Unit with unit version 1.2 or later.

last update: August 1, 2018

OMRON NX-EC0[][][] catalog
NX-EC0[][][] NX-series Incremental Encoder Input Unit/Catalog

Catalog

Manual

CAD

English
Global Edition

For ordering in Singapore, please note some product models not sold in Singapore may be included in the following catalog(s) for our global customers.
*It is recommended to select “Save” from the right-click due to large size of catalog PDF data.

Catalog Name Catalog Number
[size] Last Update

NX-EC0/ECS/PG0 Data Sheet -
[7485KB] Aug 01, 201820180801 NX-EC0/ECS/PG0 Data Sheet

NX-series I/O System Catalog R183-E1-09
[6683KB] Nov 01, 201820181101 NX-series I/O System Catalog

OMRON NX-EC0[][][] dimension
NX-EC0[][][] NX-series Incremental Encoder Input Unit/Dimensions
last update: January 22, 2018

(Unit: mm)

Screwless Clamping Terminal Block Type
12 mm Width

24 mm Width

last update: January 22, 2018

OMRON NX-EC0[][][] lineup
NX-EC0[][][] NX-series Incremental Encoder Input Unit/Lineup
last update: August 1, 2018
Applicable standards

Refer to the OMRON website (www.ia.omron.com) or ask your OMRON representative for the most recent applicable standards for each model.

Position Interface: Incremental Encoder Input Units

Product
name Specification Model
Number
of
channels External
inputs Maximum
response
frequency I/O
refreshing
method
* Number
of I/O
entry
mappings Remarks
Incremental
Encoder
Input
Unit
1
(NPN) 3
(NPN) 500 kHz • Free-Run
refreshing
• Synchro-
nous I/O
refreshing
• Task
period
prioritized
refreshing 1/1 24-V
voltage
input NX-EC0112
1
(PNP) 3
(PNP) NX-EC0122
1 3
(NPN) 4 MHz Line
receiver
input NX-EC0132
3
(PNP) NX-EC0142
2
(NPN) None 500 kHz 2/2 24-V
voltage
input NX-EC0212
2
(PNP) NX-EC0222

* Refer to the I/O Refreshing Methods in the USER'S MANUAL (Cat. No. W524) for the communications cycles for each
model.

Optional Products

Product name Specification Model
Unit/Terminal Block Coding Pins For 10 Units (Terminal Block: 30 pins, Unit: 30 pins) NX-AUX02

Product name Specification Model
No. of
terminals Terminal number
indications Ground
terminal mark Terminal current
capacity
Terminal Block 12 A/B None 10 A NX-TBA122
16 A/B NX-TBA162
12 C/D NX-TBB122

last update: August 1, 2018

NO. NX-EC0[][][]

TYPE:Machine Automation Controllers NX-series I/O System Position Interface Unit

DATE:2021-06-09

Associated products:
NX-TS NX-series Temperature Input Unit/Features NX-PG0[][][] NX-series Pulse Output Unit/Features

Item	Specification
Enclosure	Mounted in a panel
Grounding method	Ground to less than 100 Ω
Operating environment	Ambient operating temperature	0 to 55°C
Ambient operating humidity	10% to 95% (with no condensation or icing)
Atmosphere	Must be free from corrosive gases.
Ambient storage temperature	-25 to 70°C (with no condensation or icing)
Altitude	2,000 m max.
Pollution degree	Pollution degree 2 or less: Conforms to JIS B3502 and IEC 61131-2.
Noise immunity	Conforms to IEC61000-4-4, 2 kV (power supply line)
Overvoltage category	Category II: Conforms to JIS B3502 and IEC 61131-2.
EMC immunity level	Zone B
Vibration resistance	Conforms to IEC 60068-2-6. 5 to 8.4 Hz with 3.5-mm amplitude, 8.4 to 150 Hz, acceleration of 9.8 m/s², 100 min each in X, Y, and Z directions (10 sweeps of 10 min each = 100 min total)
Shock resistance	Conforms to IEC 60068-2-27. 147 m/s², 3 times each in X, Y, and Z directions
Applicable standards *	cULus: Listed (UL508) or Listed (UL 61010-2-201),ANSI/ISA 12.12.01, EU: EN 61131-2, C-Tick or RCM, KC Registration, NK, LR

Unit name	Incremental Encoder Input Unit	Model	NX-EC0112
Number of channels	1 channel	Type of external connections	Screwless clamping terminal block (16 terminals)
I/O refreshing method	Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators		Input signals	Counter: Phases A, B, and Z External Inputs: 3
Input form	Voltage input (24 V)
Counting unit	Pulses
Pulse input method	Phase differential pulse (multiplication x2/4), pulse + direction inputs, or up and down pulse inputs
Counter range	-2,147,483,648 to 2,147,483,647 pulses
Counter functions
	Counter type	Ring counter or linear counter
Counter controls	Gate control, counter reset, and counter preset
Latch function	Two external input latches and one internal latch
Measurements	Two external input latches and one internal latch
Voltage input specifications
	Input voltage	20.4 to 28.8 VDC (24 VDC +20%/-15%)	ON voltage	19.6 VDC min./3 mA min.
Input current	4.2 mA typical (24 VDC)	OFF voltage	4.0 VDC max./1 mA max.
Maximum response frequency	Phases A and B: Single-phase 500 kHz (phase differential pulse input x4: 125 kHz), Phase Z: 125 kHz
Internal I/O common processing	NPN
External input specifications
	Input voltage	20.4 to 28.8 VDC (24 VDC +20%, -15%)	ON voltage/ ON current	15 VDC min./3 mA min.
Input current	4.6 mA typical (24 VDC)	OFF voltage/ OFF current	4.0 VDC max./1 mA max.
ON/OFF response time	1 μs max./2 μs max.
Internal I/O common processing	NPN
Dimensions	12 × 100 × 71 mm (W × H × D)	Isolation method	Photocoupler isolation
Insulation resistance	20 MΩ min. between isolated circuits (at 100 VDC)	Dielectric strength	510 VAC between isolated circuits for 1 minute with leakage current of 5 mA max.
I/O power supply method	Supplied from the NX bus. 20.4 to 28.8 VDC (24 VDC +20%, -15%)	Current capacity of I/O power supply terminals	IOV: 0.3 A max. per terminal for encoder supply section and 0.1 A max. per terminal for other sections IOG: 0.3 A max. per terminal for encoder supply section and 0.1 A max. per terminal for other sections
NX Unit power consumption	• Connected to a CPU Unit 1.15 W max. • Connected to a Commu- nications Coupler Unit 0.85 W max.	Current consumption from I/O power supply	None
Weight	70 g max.
Circuit layout
Installation orientation and restrictions	Installation orientation: • Connected to a CPU Unit: Possible in upright installation. • Connected to a Communications Coupler Unit: Possible in 6 orientations. Restrictions: There are no restrictions.
Terminal connection diagram
Failure detection	None	Protection	None

Unit name	Incremental Encoder Input Unit	Model	NX-EC0122
Number of channels	1 channel	Type of external connections	Screwless push-in terminal block (16 terminals)
I/O refreshing method	Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators		Input signals	Counter: Phases A, B, and Z External Inputs: 3
Input form	Voltage input (24 V)
Counting unit	Pulses
Pulse input method	Phase difference pulse (multiplication x2/4), pulse + direction inputs, or up and down pulse inputs
Counter range	-2,147,483,648 to 2,147,483,647 pulses
Counter functions
	Counter type	Ring counter or linear counter
Counter controls	Gate control, counter reset, and counter preset
Latch function	Two external input latches and one internal latch
Measurements	Two external input latches and one internal latch
Voltage input specifications
	Input voltage	20.4 to 28.8 VDC (24 VDC +20%/-15%)	ON voltage	19.6 VDC min./3 mA min.
Input current	4.2 mA typical (24 VDC)	OFF voltage	4.0 VDC max./1 mA max.
Maximum response frequency	Phases A and B: Single-phase 500 kHz (phase difference pulse input x4: 125 kHz), Phase Z: 125 kHz
Internal I/O common processing	PNP
External input specifications
	Input voltage	20.4 to 28.8 VDC (24 VDC +20%/-15%)	ON voltage/ ON current	15 VDC min./3 mA min.
Input current	4.6 mA typical (24 VDC)	OFF voltage/ OFF current	4.0 VDC max./1 mA max.
ON/OFF response time	1 μs max./2 μs max.
Internal I/O common processing	PNP
Dimensions	12 × 100 × 71 mm (W × H × D)	Isolation method	Photocoupler isolation
Insulation resistance	20 MΩ min. between isolated circuits (at 100 VDC)	Dielectric strength	510 VAC between isolated circuits for 1 minute with leakage current of 5 mA max.
I/O power supply source	Supplied from the NX bus. 20.4 to 28.8 VDC (24 VDC +20%/-15%)	Current capacity of I/O power supply terminals	IOV: 0.3 A max. per terminal for encoder supply section and 0.1 A max. per terminal for other sections IOG: 0.3 A max. per terminal for encoder supply section and 0.1 A max. per terminal for other sections
NX Unit power consumption	• Connected to a CPU Unit 1.30 W max. • Connected to a Commu- nications Coupler Unit 0.95 W max.	Current consumption from I/O power supply	None
Weight	70 g max.
Circuit layout
Installation orientation and restrictions	Installation orientation: • Connected to a CPU Unit: Possible in upright installation. • Connected to a Communications Coupler Unit: Possible in 6 orientations. Restrictions: There are no restrictions.
Terminal connection diagram
Failure detection	None	Protection	None

Unit name	Incremental Encoder Input Unit	Model	NX-EC0132
Number of channels	1 channel	Type of external connections	Screwless clamping terminal block (12 terminals × 2)
I/O refreshing method	Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators		Input signals	Counter: Phases A, B, and Z External Inputs: 3
Input form	Line receiver input
Counting unit	Pulses
Pulse input method	Phase differential pulse (multiplication x2/4), pulse + direction inputs, or up and down pulse inputs
Counter range	-2,147,483,648 to 2,147,483,647 pulses
Counter functions
	Counter type	Ring counter or linear counter
Counter controls	Gate control, counter reset, and counter preset
Latch function	Two external input latches and one internal latch
Measurements	Pulse rate measurement and pulse period measurement
Line driver specifications
	Input voltage	EIA standard RS-422-A line driver levels	High level input voltage	VIT+: 0.1 V min.
Input impedance	120 Ω ± 5%	Low level input voltage	VIT-: -0.1 V min.
Hysteresis voltage	Vhys (VIT+ - VIT-): 60 mV
Maximum response frequency	Phases A and B: Single-phase 4 MHz (phase differential pulse input x4: 1 MHz), Phase Z: 1 MHz
5-V power supply for encoder	Output voltage: 5 VDC ±5% Output current: 500 mA max.
External input specifications
	Input voltage	20.4 to 28.8 VDC (24 VDC +20%, -15%)	ON voltage/ ON current	15 VDC min./3 mA min.
Input current	3.5 mA typical (24 VDC)	OFF voltage/ OFF current	5.0 VDC max./1 mA max.
ON/OFF response time	1 μs max./1 μs max.
Internal I/O common processing	NPN
Dimensions	12 × 100 × 71 mm (W × H × D)	Isolation method	Digital isolator
Insulation resistance	20 MΩ min. between isolated circuits (at 100 VDC)	Dielectric strength	510 VAC between isolated circuits for 1 minute with leakage current of 5 mA max.
I/O power supply method	Supplied from the NX bus. 20.4 to 28.8 VDC (24 VDC +20%, -15%)	Current capacity of I/O power supply terminals	IOV: 0.1 A max. per terminal IOG: 0.1 A max. per terminal
NX Unit power consumption	• Connected to a CPU Unit 1.25 W max. • Connected to a Commu- nications Coupler Unit 0.95 W max.	Current consumption from I/O power supply	Unit current consumption: 30 mA max. Consumption from encoder 5-V power supply: 0.28 × Encoder current consumption mA
Weight	130 g max.
Circuit layout
Installation orientation and restrictions	Installation orientation: • Connected to a CPU Unit: Possible in upright installation. • Connected to a Communications Coupler Unit: Possible in 6 orientations. Restrictions: There are no restrictions.
Terminal connection diagram
Failure detection	None	Protection	None

Unit name	Incremental Encoder Input Unit	Model	NX-EC0142
Number of channels	1 channel	Type of external connections	Screwless push-in terminal block (12 terminals × 2)
I/O refreshing method	Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators		Input signals	Counter: Phases A, B, and Z External Inputs: 3
Input form	Line receiver input
Counting unit	Pulses
Pulse input method	Phase difference pulse (multiplication x2/4), pulse + direction inputs, or up and down pulse inputs
Counter range	-2,147,483,648 to 2,147,483,647 pulses
Counter functions
	Counter type	Ring counter or linear counter
Counter controls	Gate control, counter reset, and counter preset
Latch function	Two external input latches and one internal latch
Measurements	Pulse rate measurement and pulse period measurement
Line driver specifications
	Input voltage	EIA standard RS-422-A line driver levels	High level input voltage	VIT+: 0.1 V min.
Input impedance	120 Ω ± 5%	Low level input voltage	VIT-: -0.1 V min.
Hysteresis voltage	Vhys (VIT+ - VIT-): 60 Mv
Maximum response frequency	Phases A and B: Single-phase 4 MHz (phase difference pulse input x4: 1 MHz), Phase Z: 1 MHz
5-V power supply for encoder	Output voltage: 5 VDC Output current: 500 mA max.
External input specifications
	Input voltage	20.4 to 28.8 VDC (24 VDC +20%/.15%)	ON voltage/ ON current	15 VDC min./3 mA min.
Input current	3.5 mA typical (24 VDC)	OFF voltage/ OFF current	4.0 VDC max./1 mA max.
ON/OFF response time	1 μs max./2 μs max.
Internal I/O common processing	PNP
Dimensions	12 × 100 × 71 mm (W × H × D)	Isolation method	Photocoupler isolation
Insulation resistance	20 MΩ min. between isolated circuits (at 100 VDC)	Dielectric strength	510 VAC between isolated circuits for 1 minute with leakage current of 5 mA max.
I/O power supply source	Supplied from the NX bus. 20.4 to 28.8 VDC (24 VDC +20%/-15%)	Current capacity of I/O power supply terminals	IOV: 0.1 A max. per terminal IOG: 0.1 A max. per terminal
NX Unit power consumption	• Connected to a CPU Unit 1.50 W max. • Connected to a Commu- nications Coupler Unit 1.05 W max.	Current consumption from I/O power supply	Unit current consumption: 30 mA max. Consumption from encoder 5-V power supply: 0.28 × Encoder current consumption mA
Weight	130 g max.
Circuit layout
Installation orientation and restrictions	Installation orientation: • Connected to a CPU Unit: Possible in upright installation. • Connected to a Communications Coupler Unit: Possible in 6 orientations. Restrictions: There are no restrictions.
Terminal connection diagram
Failure detection	None	Protection	None

Unit name	Incremental Encoder Input Unit	Model	NX-EC0212
Number of channels	2 channels	Type of external connections	Screwless clamping terminal block (12 terminals)
I/O refreshing method	Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators		Input signals	Counter: Phases A, B, and Z External Inputs: None
Input form	Voltage input (24 V)
Counting unit	Pulses
Pulse input method	Phase differential pulse (multiplication x2/4), pulse + direction inputs, or up and down pulse inputs
Counter range	-2,147,483,648 to 2,147,483,647 pulses
Counter functions
	Counter type	Ring counter or linear counter
Counter controls	Gate control, counter reset, and counter preset
Latch function	Two external input latches and one internal latch
Measurements	Two external input latches and one internal latch
Voltage input specifications
	Input voltage	20.4 to 28.8 VDC (24 VDC +20%, -15%)	ON voltage	19.6 VDC min./3 mA min.
Input current	4.2 mA typical (24 VDC)	OFF voltage	4.0 VDC max./1 mA max.
Maximum response frequency	Phases A and B: Single-phase 500 kHz (phase differential pulse input x4: 125 kHz), Phase Z: 125 kHz
Internal I/O common processing	NPN
External input specifications
	Input voltage	-	ON voltage/ ON current	-
Input current	-	OFF voltage/ OFF current	-
ON/OFF response time	-
Internal I/O common processing	-
Dimensions	12 × 100 × 71 mm (W × H × D)	Isolation method	Photocoupler isolation
Insulation resistance	20 MΩ min. between isolated circuits (at 100 VDC)	Dielectric strength	510 VAC between isolated circuits for 1 minute with leakage current of 5 mA max.
I/O power supply method	Supplied from the NX bus. 20.4 to 28.8 VDC (24 VDC +20%, -15%)	Current capacity of I/O power supply terminals	IOV: 0.3 A max. per terminal IOG: 0.3 A max. per terminal
NX Unit power consumption	• Connected to a CPU Unit 1.15 W max. • Connected to a Commu- nications Coupler Unit 0.85 W max.	Current consumption from I/O power supply	None
Weight	70 g max.
Circuit layout
Installation orientation and restrictions	Installation orientation: • Connected to a CPU Unit: Possible in upright installation. • Connected to a Communications Coupler Unit: Possible in 6 orientations. Restrictions: There are no restrictions.
Terminal connection diagram
Failure detection	None	Protection	None

Unit name	Incremental Encoder Input Unit	Model	NX-EC0222
Number of channels	2 channels	Type of external connections	Screwless push-in terminal block (12 terminals)
I/O refreshing method	Free-Run refreshing, synchronous I/O refreshing or task period prioritized refreshing *
Indicators		Input signals	Counter: Phases A, B, and Z External Inputs: None
Input form	Voltage input (24 V)
Counting unit	Pulses
Pulse input method	Phase difference pulse (multiplication x2/4), pulse + direction inputs, or up and down pulse 3inputs
Counter range	-2,147,483,648 to 2,147,483,647 pulses
Counter functions
	Counter type	Ring counter or linear counter
Counter controls	Gate control, counter reset, and counter preset
Latch function	Two external input latches and one internal latch
Measurements	Two external input latches and one internal latch
Voltage input specifications
	Input voltage	20.4 to 28.8 VDC (24 VDC +20%/-15%)	ON voltage	19.6 VDC min./3 mA min.
Input current	4.2 mA typical (24 VDC)	OFF voltage	4.0 VDC max./1 mA max.
Maximum response frequency	Phases A and B: Single-phase 500 kHz (phase difference pulse input x4: 125 kHz), Phase Z: 125 kHz
Internal I/O common processing	PNP
External input specifications
	Input voltage	-	ON voltage/ ON current	-
Input current	-	OFF voltage/ OFF current	-
ON/OFF response time	-
Internal I/O common processing	-
Dimensions	12 × 100 × 71 mm (W × H × D)	Isolation method	Photocoupler isolation
Insulation resistance	20 MΩ min. between isolated circuits (at 100 VDC)	Dielectric strength	510 VAC between isolated circuits for 1 minute with leakage current of 5 mA max.
I/O power supply source	Supplied from the NX bus. 20.4 to 28.8 VDC (24 VDC +20%/-15%)	Current capacity of I/O power supply terminals	IOV: 0.3 A max. per terminal IOG: 0.3 A max. per terminal
NX Unit power consumption	• Connected to a CPU Unit 1.30 W max. • Connected to a Commu- nications Coupler Unit 0.95 W max.	Current consumption from I/O power supply	None
Weight	70 g max.
Circuit layout
Installation orientation and restrictions	Installation orientation: • Connected to a CPU Unit: Possible in upright installation. • Connected to a Communications Coupler Unit: Possible in 6 orientations. Restrictions: There are no restrictions.
Terminal connection diagram
Failure detection	None	Protection	None

NX Unit	Corresponding unit versions/versions
Model	Unit version	CPU Unit	Sysmac Studio
NX-EC0112	Ver. 1.1	Ver.1.13	Ver.1.17
Ver. 1.2
NX-EC0122	Ver. 1.0	Ver.1.13	Ver.1.17
Ver. 1.1
Ver. 1.2
NX-EC0132	Ver. 1.1	Ver.1.13	Ver.1.17
Ver. 1.2
NX-EC0142	Ver. 1.0	Ver.1.13	Ver.1.17
Ver. 1.1
Ver. 1.2
NX-EC0212	Ver. 1.1	Ver.1.13	Ver.1.17
Ver. 1.2
NX-EC0222	Ver. 1.0	Ver.1.13	Ver.1.17
Ver. 1.1
Ver. 1.2

NX Unit	Corresponding unit versions/versions
Model	Unit version	EtherCAT Coupler Unit	CPU Unit or Industrial PC	Sysmac Studio
NX-EC0112	Ver. 1.1	Ver. 1.1 *1	Ver. 1.06 *1	Ver. 1.10
Ver. 1.2	Ver. 1.3 23	Ver. 1.13
NX-EC0122	Ver. 1.0	Ver. 1.1 *1	Ver. 1.06 *1	Ver. 1.07
Ver. 1.1	Ver. 1.08
Ver. 1.2	Ver. 1.3 23	Ver. 1.13
NX-EC0132	Ver. 1.1	Ver. 1.1 *1	Ver. 1.06 *1	Ver. 1.10
Ver. 1.2	Ver. 1.3 23	Ver. 1.13
NX-EC0142	Ver. 1.0	Ver. 1.1 *1	Ver. 1.06 *1	Ver. 1.07
Ver. 1.1	Ver. 1.08
Ver. 1.2	Ver. 1.3 23	Ver. 1.13
NX-EC0212	Ver. 1.1	Ver. 1.1 *1	Ver. 1.06 *1	Ver. 1.10
Ver. 1.2	Ver. 1.3 23	Ver. 1.13
NX-EC0222	Ver. 1.0	Ver. 1.1 *1	Ver. 1.06 *1	Ver. 1.07
Ver. 1.1	Ver. 1.08
Ver. 1.2	Ver. 1.3 23	Ver. 1.13

NX Unit	Corresponding unit versions/versions
Model	Unit version	Application with an NJ/NX/NY-series Controller *1	*Application with a CS/CJ/CP-series PLC 2**
EtherNet/IP Coupler Unit	CPU Unit or Industrial PC	Sysmac Studio	EtherNet/IP Coupler Unit	Sysmac Studio	NX-IO Configurator *3
NX-EC0112	Ver. 1.1	Ver. 1.2	Ver. 1.14	Ver. 1.19	Ver. 1.0	Ver. 1.10	Ver. 1.00
Ver. 1.2	Ver. 1.13
NX-EC0122	Ver. 1.0	Ver. 1.2	Ver. 1.14	Ver. 1.19	Ver. 1.0	Ver. 1.10	Ver. 1.00
Ver. 1.1
Ver. 1.2	Ver. 1.13
NX-EC0132	Ver. 1.1	Ver. 1.2	Ver. 1.14	Ver. 1.19	Ver. 1.0	Ver. 1.10	Ver. 1.00
Ver. 1.2	Ver. 1.13
NX-EC0142	Ver. 1.0	Ver. 1.2	Ver. 1.14	Ver. 1.19	Ver. 1.0	Ver. 1.10	Ver. 1.00
Ver. 1.1
Ver. 1.2	Ver. 1.13
NX-EC0212	Ver. 1.1	Ver. 1.2	Ver. 1.14	Ver. 1.19	Ver. 1.0	Ver. 1.10	Ver. 1.00
Ver. 1.2	Ver. 1.13
NX-EC0222	Ver. 1.0	Ver. 1.2	Ver. 1.14	Ver. 1.19	Ver. 1.0	Ver. 1.10	Ver. 1.00
Ver. 1.1
Ver. 1.2	Ver. 1.13

For ordering in Singapore, please note some product models not sold in Singapore may be included in the following catalog(s) for our global customers.
*It is recommended to select “Save” from the right-click due to large size of catalog PDF data.
Catalog Name	Catalog Number [size]	Last Update
NX-EC0/ECS/PG0 Data Sheet	- [7485KB]	Aug 01, 201820180801	NX-EC0/ECS/PG0 Data Sheet
NX-series I/O System Catalog	R183-E1-09 [6683KB]	Nov 01, 201820181101	NX-series I/O System Catalog

Product name	Specification	Model
Number of channels	External inputs	Maximum response frequency	I/O refreshing method *	Number of I/O entry mappings	Remarks
Incremental Encoder Input Unit	1 (NPN)	3 (NPN)	500 kHz	• Free-Run refreshing • Synchro- nous I/O refreshing • Task period prioritized refreshing	1/1	24-V voltage input	NX-EC0112
1 (PNP)	3 (PNP)	NX-EC0122
1	3 (NPN)	4 MHz	Line receiver input	NX-EC0132
3 (PNP)	NX-EC0142
2 (NPN)	None	500 kHz	2/2	24-V voltage input	NX-EC0212
2 (PNP)	NX-EC0222

Product name	Specification	Model
Unit/Terminal Block Coding Pins	For 10 Units (Terminal Block: 30 pins, Unit: 30 pins)	NX-AUX02

Product name	Specification	Model
No. of terminals	Terminal number indications	Ground terminal mark	Terminal current capacity
Terminal Block	12	A/B	None	10 A	NX-TBA122
16	A/B	NX-TBA162
12	C/D	NX-TBB122

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