OMRON CS1W-SRM21Automation Systems/ Networks/CompoBus/S
OMRON CS1W-SRM21 Automation Systems
OMRON CS1W-SRM21 Dimensions
/Images/l_2038-25-118641-198x198.jpglast update: April 25, 2017
• Up to 256 I/O points per Master.
• Up to 32 Slaves per Master.
• Communications cycle time: 0.5 ms (at 750 kbps).
• Communications distance: Up to 500 m (at 93.75 kbps).
• Free wiring with any branching method for up to 200 m (in long-distance communications mode).
last update: April 25, 2017
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OMRON CS1W-SRM21 catalog
CS1W-SRM21 CS-series CompoBus/S Master Unit/Catalog- Catalog
- Manual
English
Global Edition
| Catalog Name | Catalog Number [size] | Last Update | |
|---|---|---|---|
 CS1W-SRM21 Data Sheet | - [345KB] | Nov 05, 200820081105 | CS1W-SRM21 Data Sheet |
OMRON CS1W-SRM21 lineup
CS1W-SRM21 CS-series CompoBus/S Master Unit/Lineuplast update: September 25, 2012
| Unit type | Name | Specifications | No. of unit num- bers allo- cated | Current consump- tion (A) | Model | Stand- ards | |||
|---|---|---|---|---|---|---|---|---|---|
| Commu- nications functions | No. of I/O points | Max. Units mountable per CPU Unit | 5 V | 24 V | |||||
| CS1 Special I/O Units | CompoBus/S Master Unit  | Remote I/O communi- cations | 256 max. (128 inputs and 128 outputs) | 95 | 2 | 0.15 | --- | CS1W-SRM21 | U, C, CE |
| 128 max. (64 inputs and 64 outputs) | 96 | 1 | |||||||
International Standards
- The standards indicated in the "Standards" column are those current for UL, CSA, cULus, cUL, NK, and Lloyd standards and EC Directives as of the end of October 2008. (The standards are abbreviated as follows: U: UL, U1: UL Class I Division 2 Products for Hazardous Locations, C: CSA, US: cULus Class I Division 2 Products for Hazardous Locations, CU: cUL, N: NK, L: Lloyd, and CE: EC Directives.
- Ask your OMRON representatives for the conditions under which the standards were met.
last update: September 25, 2012
OMRON CS1W-SRM21 dimension
CS1W-SRM21 CS-series CompoBus/S Master Unit/Dimensionslast update: November 12, 2012
CS1W-SRM21
last update: November 12, 2012
OMRON CS1W-SRM21 specification
CS1W-SRM21 CS-series CompoBus/S Master Unit/Specificationslast update: September 25, 2012
Communication Specifications
| Item | Specification | |
|---|---|---|
| Communications method | Special CompoBus/S protocol | |
| Communications baud rate | High-speed Communications Mode: 750 kbps Long-distance Communications Mode: 93.75 kbps | |
| Modulation method | Baseband method | |
| Coding method | Manchester coding method | |
| Error control checks | Manchester code check, frame length check, and parity check | |
| Cable | VCTF cable (JIS C 3306) | Two 0.75 mm2 conductors (2 signal wires) Four 0.75 mm2 conductors (2 signal wires and 2 power supply wires) |
| Special Flat Cable | Four 0.75 mm2 conductors (2 signal wires and 2 power supply wires) | |
| Commu- nications distance | 2-conductor VCTF cable | High-speed Communications Mode Main line length: 100 m max. Branch line length: 3 m max. Total branch line length: 50 m max. |
| Long-distance Communications Mode Main line length: 500 m max. Branch line length: 6 m max. Total branch line length: 120 m max. | ||
| 4-conductor VCTF cable | High-speed Communications Mode Main line length: 30 m max. Branch line length: 3 m max. Total branch line length: 30 m max. | |
| Long-distance Communications Mode: Flexibly branched, provided that the total length of cable is a maximum of 200 m. | ||
| Special Flat Cable | High-speed Communications Mode Main line length: 30 m max. Branch line length: 3 m max. Total branch line length: 30 m max. When 4-conductor VCTF cable or Special Flat Cable is used to connect fewer than 16 Slaves, the main line can be up to 100 m long and the total branch line length can be up to 50 m in High-speed Communications Mode. | |
| Long-distance Communications Mode: Flexibly branched, provided that the total length of cable is a maximum of 200 m. | ||
Specifications
| Applicable PLC models | CS-series PLCs | |
|---|---|---|
| Unit type | CS1 Special I/O Unit | |
| Internal current consumption | 5 VDC, 150 mA max. | |
| Weight | 167g max. | |
| I/O points | 256 (128 inputs and 128 outputs) | 128 (64 inputs and 64 outputs) |
| Allocated words * | 20 words (8 for inputs, 8 for outputs, 4 for status) | 10 words (4 for inputs, 4 for outputs, 2 for status) |
| No. of mountable Master Units | 95 | 96 |
| Node address | 8 addresses per node | |
| No. of connectable Slaves | 32 | |
| Status information | Communications Error Flags, Participation Flags | |
* Uses Special I/O Unit Area (in CIO Area).
last update: September 25, 2012
- NO. CS1W-SRM21
- TYPE:Networks CompoBus/S Masters
- DATE:2021-06-10
- Associated products:
CS1W-DA SYSMAC CS-series Analog I/O Unit/Features CS1W-PMV SYSMAC CS-series Process Analog I/O Units/Features