OMRON G9SX-GSSafety Components/ Safety Units / Safety Relay Units/G9SX-series Flexible Safety Units

OMRON G9SX-GS Safety Components

G9SX-GS Safety Guard Switching Unit/Specifications
G9SX-GS Safety Guard Switching Unit/Catalog
G9SX-GS Safety Guard Switching Unit/Lineup
G9SX-GS Safety Guard Switching Unit/Dimensions
Purchase the OMRON G9SX-GS G9SX-series Flexible Safety Units

OMRON G9SX-GS Dimensions

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last update: January 10, 2013

• Two functions support two types of application:

• Auto switching: For applications where operators work together with machines

• Manual switching: For applications with limited operations

• External indicator outputs enable indicating the switching status of two safety input devices.

• Auxiliary outputs enable monitoring of safety inputs, safety outputs, and errors.

• Detailed LED indications enable easy diagnosis.

• Logical AND connection allows complicated applications in combination with other G9SX-series Units.

• Certification for compliance with IEC/EN 61508 (SIL3), IEC/EN 62061 (SIL3) and EN ISO13849-1 (PLe/Safety Category 4).

last update: January 10, 2013

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OMRON G9SX-GS specification
G9SX-GS Safety Guard Switching Unit/Specifications
last update: January 10, 2013
Ratings
Power Input

Model G9SX-GS226-T15-[] G9SX-EX-[]
Rated supply voltage 24 VDC
Operating voltage range -15% to 10% of rated supply voltage
Rated power consumption * 5 W max. 2 W max.
* Power consumption of loads not included.

Inputs

Model G9SX-GS226-T15-[]
Safety inputs Operating voltage: 20.4 VDC to 26.4 VDC, Internal impedance: Approx. 2.8 kΩ *
Mode selector input
Feedback/reset input
* Provide a current equal to or higher than that of the minimum applicable load of the connected input control device.

Outputs

Model G9SX-GS226-T15-[]
Instantaneous safety outputs *1
OFF-delayed safety outputs *1 P channel MOS-FET outputs
Load current: 0.8 A DC max./output *2
Auxiliary outputs
(for input, output, and error monitoring) PNP transistor outputs
Load current: 0.8 A DC max./output *2
External indicator outputs P channel MOS-FET outputs
Connectable indicators
• Incandescent lamp: 24 VDC, 3 to 7 W
• LED lamp: 10 to 300 mA DC/output
*1. While safety outputs are in the ON state, the following signal sequence is output continuously for diagnosis.
When using the safety outputs as input signals to control devices (i.e. Programmable Controllers), consider the OFF
pulse shown below.

*2. The following derating is required when Units are mounted side-by-side.
G9SX-GS226-T15-[]: 0.4 A max. load current/output

Expansion Unit

Model G9SX-EX-[]
Rated load 250 VAC, 3 A/30 VDC, 3 A (resistive load)
Rated carry current 3 A
Maximum switching voltage 250 VAC, 125 VDC

Characteristics

Model G9SX-GS226-T15-[] G9SX-EX-[]
Overvoltage category
(IEC/EN 60664-1) II II (Safety relay outputs 13 to 43 and
14 to 44: III)
Operating time
(OFF to ON state) *1 50 ms max. (Safety input: ON) *2
100 ms max. (Logical AND connection
input: ON) *3 30 ms max. *4
Response time
(ON to OFF state) *1 15 ms max. 10 ms max. *4
Allowable switching time for mode
selector input *5 *7 450 ms max. ---
Response time for switching
operating modes *6 *7 50 ms max. ---
ON-state residual voltage 3.0 V max. for safety outputs, auxiliary outputs, and external indicator outputs
OFF-state leakage current 0.1 mA max. for safety outputs and auxiliary outputs, 1 mA max. for external
indicator outputs
Maximum wiring length of safety
input and logical AND input 100 m max.
(External connection impedance: 100 Ω max. and 10 nF max.)
Reset input time
(Reset button pressing time) 100 ms min.
Accuracy of OFF-delay time *8 Within ± 5% of the set value
Insulation
resistance Between logical AND
connection terminals,
and power supply
input terminals and
other input and
output terminals
connected together 20 MΩ min. (at 100 VDC) ---
Between all terminals
connected together
and DIN track 100 MΩ min. (at 500 VDC)
Dielectric
strength Between logical AND
connection terminals,
and power supply
input terminals and
other input and
output terminals
connected together 500 VAC for 1 min ---
Between all terminals
connected together
and DIN track 1,200 VAC for 1 min
Between different
poles of outputs ---
Between safety relay
outputs connected
together and other
terminals connected
together 2,200 VAC for 1 min
Vibration resistance Frequency: 10 to 55 to 10 Hz, 0.375-mm single amplitude (0.75-mm double
amplitude)
Shock
resistance Destruction 300 m/s²
Malfunction 100 m/s²
Durability Electrical --- 100,000 cycles min.
(rated load, switching frequency: 1,800
cycles/hour)
Mechanical --- 5,000,000 cycles min.
(switching frequency: 7,200 cycles/
hour)
Ambient operating temperature - 10 to 55 °C (with no icing or condensation)
Ambient operating humidity 25% to 85%
Terminal tightening torque *9 0.5 Nm
Weight Approx. 240 g Approx. 165 g
*1. When two or more Units are connected by logical AND, the operating time and response time are the sum total of the
operating times and response times, respectively, of all the Units connected by logical AND.
*2. Represents the operating time when the safety input turns ON with all other conditions set.
*3. Represents the operating time when the logical AND input turns ON with all other conditions set.
*4. This does not include the operating time or response time of Safety Guard Switching Units that are connected.
*5. This is the allowable switching time for the operating mode selector. If switching takes more than 450 ms, the G9SX-
GS[] will detect an error.
*6. This is the time required for the safety input to actually switch to an activated condition after the mode selector input is
switched.

*7. Only when the G9SX-GS[] is used with manual switching.
*8. This does not include the operating time or response time of internal relays in the G9SX-EX-[].
*9. For the G9SX-[]-RT (with screw terminals) only.

Logical AND Connection

Note: Please see “Ordering Information” below for the actual models that can be ordered.
Model G9SX-GS226-T15-[] G9SX-EX-[]
Number of Units connected per logical AND output 4 Units max. ---
Total number of Units connected by logical AND *1 20 Units max. ---
Number of Units connected in series by logical AND 5 Units max. ---
Max. number of Expansion Units connected *2 --- 5 Units max.
Maximum cable length for logical AND input 100 m max. ---
*1. The number of G9SX-EX401-[] Expansion Units or G9SX-EX041-T-[] Expansion Units (OFF-delayed Model) not
included.
*2. G9SX-EX401-[] Expansion Units and G9SX-EX041-T-[] Expansion Units (OFF-delayed Model) can be mixed.

last update: January 10, 2013

OMRON G9SX-GS catalog
G9SX-GS Safety Guard Switching 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

G9SX/G9SX-GS Data Sheet -
[5104KB] Nov 19, 201820181119 G9SX/G9SX-GS Data Sheet

OMRON G9SX-GS lineup
G9SX-GS Safety Guard Switching Unit/Lineup
last update: January 10, 2013
Safety Guard Switching Unit

Safety outputs *3 Auxiliary
outputs
*4 Logical AND
connection Max.
OFF-
delay
time
*1 Rated
voltage Terminal
block
type Model
Instant-
aneous OFF-
delayed
*2 Inputs Outputs
2
(semi-
conductor) 2
(semi-
conductor) 6
(semi-
conductor) 1
(semi-
conductor) 1
(semi-
conductor) 15 s 24
VDC Screw
terminals G9SX-GS226-T15-RT
Spring-cage
terminals G9SX-GS226-T15-RC
*1. The OFF-delay time can be set in 16 steps as follows:
T15: 0, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 1, 1.5, 2, 3, 4, 5, 7, 10, or 15 s
*2. The OFF-delayed output becomes an instantaneous output by setting the OFF-delay time to 0 s.
*3. P channel MOS-FET output
*4. PNP transistor output (except for the external indicator outputs, which are P channel MOS-FET outputs)

Expansion Unit

Safety outputs Auxiliary
outputs
*1 OFF-delay
time Rated
voltage Terminal block type Model
Instantaneous OFF-
delayed
4 PST-NO
(contact) --- 1
(semi-
conductor) --- 24
VDC Screw terminals G9SX-EX401-RT
Spring-cage terminals G9SX-EX401-RC
--- 4 PST-NO
(contact) *2 Screw terminals G9SX-EX041-T-RT
Spring-cage terminals G9SX-EX041-T-RC
*1. PNP transistor output
*2. The OFF-delay time is synchronized to the OFF-delay time setting in the connected Unit (G9SX-GS226-T15-[]).

Accessories
Terminal Block

Appearance * Specifications Applicable
units Model Remarks
Terminal Block with
screw terminals (4-pin) G9SX-GS
G9SX-EX-[] Y9S-04T1B-02A Two Terminal Blocks (black) with screw
terminals, and a set of six code marks to
prevent erroneous insertion.
Terminal Block with
spring-cage terminals
(4-pin) G9SX-GS
G9SX-EX-[] Y9S-04C1B-02A Two Terminal Blocks (black) with spring-
cage terminals, and a set of six code
marks to prevent erroneous insertion.
Note: The G9SX main unit comes with a terminal block as standard equipment. The accessories shown here can be
ordered as a replacement.
* The illustrations show 3-pin types

last update: January 10, 2013

OMRON G9SX-GS dimension
G9SX-GS Safety Guard Switching Unit/Dimensions
last update: November 6, 2012

(Unit: mm)

Terminal Arrangement
Safety Guard Switching Unit
G9SX-GS226-T15-[]

Note: 1. Above outline drawing is for -RC terminal type.
2. For -RC terminal type only.

Expansion Unit
G9SX-EX401-[]
Expansion Unit (OFF-delayed Model)
G9SX-EX041-T-[]

Note: 1. Above outline drawing is for -RC terminal type.
2. For -RC terminal type only.

last update: November 6, 2012

NO. G9SX-GS

TYPE:Safety Units / Safety Relay Units G9SX-series Flexible Safety Units Copyright Statement

DATE:2021-06-12

Associated products:
G9SX Flexible Safety Unit/Features G9SX-SM Standstill Monitoring Unit/Features

Model	G9SX-GS226-T15-[]	G9SX-EX-[]
Rated supply voltage	24 VDC
Operating voltage range	-15% to 10% of rated supply voltage
Rated power consumption *	5 W max.	2 W max.

Model	G9SX-GS226-T15-[]
Safety inputs	Operating voltage: 20.4 VDC to 26.4 VDC, Internal impedance: Approx. 2.8 kΩ *
Mode selector input
Feedback/reset input

Model	G9SX-GS226-T15-[]
Instantaneous safety outputs 1 OFF-delayed safety outputs 1	P channel MOS-FET outputs Load current: 0.8 A DC max./output *2
Auxiliary outputs (for input, output, and error monitoring)	PNP transistor outputs Load current: 0.8 A DC max./output *2
External indicator outputs	P channel MOS-FET outputs Connectable indicators • Incandescent lamp: 24 VDC, 3 to 7 W • LED lamp: 10 to 300 mA DC/output

Model	G9SX-EX-[]
Rated load	250 VAC, 3 A/30 VDC, 3 A (resistive load)
Rated carry current	3 A
Maximum switching voltage	250 VAC, 125 VDC

Model	G9SX-GS226-T15-[]	G9SX-EX-[]
Overvoltage category (IEC/EN 60664-1)	II	II (Safety relay outputs 13 to 43 and 14 to 44: III)
Operating time (OFF to ON state) *1	50 ms max. (Safety input: ON) 2 100 ms max. (Logical AND connection input: ON) 3	30 ms max. *4
Response time (ON to OFF state) *1	15 ms max.	10 ms max. *4
Allowable switching time for mode selector input 5 7	450 ms max.	---
Response time for switching operating modes 6 7	50 ms max.	---
ON-state residual voltage	3.0 V max. for safety outputs, auxiliary outputs, and external indicator outputs
OFF-state leakage current	0.1 mA max. for safety outputs and auxiliary outputs, 1 mA max. for external indicator outputs
Maximum wiring length of safety input and logical AND input	100 m max. (External connection impedance: 100 Ω max. and 10 nF max.)
Reset input time (Reset button pressing time)	100 ms min.
*Accuracy of OFF-delay time 8**	Within ± 5% of the set value
Insulation resistance	Between logical AND connection terminals, and power supply input terminals and other input and output terminals connected together	20 MΩ min. (at 100 VDC)	---
Between all terminals connected together and DIN track	100 MΩ min. (at 500 VDC)
Dielectric strength	Between logical AND connection terminals, and power supply input terminals and other input and output terminals connected together	500 VAC for 1 min	---
Between all terminals connected together and DIN track	1,200 VAC for 1 min
Between different poles of outputs	---
Between safety relay outputs connected together and other terminals connected together	2,200 VAC for 1 min
Vibration resistance	Frequency: 10 to 55 to 10 Hz, 0.375-mm single amplitude (0.75-mm double amplitude)
Shock resistance	Destruction	300 m/s²
Malfunction	100 m/s²
Durability	Electrical	---	100,000 cycles min. (rated load, switching frequency: 1,800 cycles/hour)
Mechanical	---	5,000,000 cycles min. (switching frequency: 7,200 cycles/ hour)
Ambient operating temperature	- 10 to 55 °C (with no icing or condensation)
Ambient operating humidity	25% to 85%
*Terminal tightening torque 9**	0.5 Nm
Weight	Approx. 240 g	Approx. 165 g

Model	G9SX-GS226-T15-[]	G9SX-EX-[]
Number of Units connected per logical AND output	4 Units max.	---
*Total number of Units connected by logical AND 1**	20 Units max.	---
Number of Units connected in series by logical AND	5 Units max.	---
*Max. number of Expansion Units connected 2**	---	5 Units max.
Maximum cable length for logical AND input	100 m max.	---

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
G9SX/G9SX-GS Data Sheet	- [5104KB]	Nov 19, 201820181119	G9SX/G9SX-GS Data Sheet

*Safety outputs 3**	Auxiliary outputs *4	Logical AND connection	Max. OFF- delay time *1	Rated voltage	Terminal block type	Model
Instant- aneous	OFF- delayed *2	Inputs	Outputs
2 (semi- conductor)	2 (semi- conductor)	6 (semi- conductor)	1 (semi- conductor)	1 (semi- conductor)	15 s	24 VDC	Screw terminals	G9SX-GS226-T15-RT
Spring-cage terminals	G9SX-GS226-T15-RC

Safety outputs	Auxiliary outputs *1	OFF-delay time	Rated voltage	Terminal block type	Model
Instantaneous	OFF- delayed
4 PST-NO (contact)	---	1 (semi- conductor)	---	24 VDC	Screw terminals	G9SX-EX401-RT
Spring-cage terminals	G9SX-EX401-RC
---	4 PST-NO (contact)	*2	Screw terminals	G9SX-EX041-T-RT
Spring-cage terminals	G9SX-EX041-T-RC

Appearance *	Specifications	Applicable units	Model	Remarks
	Terminal Block with screw terminals (4-pin)	G9SX-GS G9SX-EX-[]	Y9S-04T1B-02A	Two Terminal Blocks (black) with screw terminals, and a set of six code marks to prevent erroneous insertion.
	Terminal Block with spring-cage terminals (4-pin)	G9SX-GS G9SX-EX-[]	Y9S-04C1B-02A	Two Terminal Blocks (black) with spring- cage terminals, and a set of six code marks to prevent erroneous insertion.