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OMRON Safety Product CQM1-SF200 CS1W-SF200 Safety Relay Unit (PLC I O Unit Type) Data Sheet

Summary

The compact Safety Relay I/O Unit serves as a high-reliability interface for OMRON CQM1H and CS1 PLCs, monitoring critical safety circuits with minimal required installation space. This comprehensive manual provides essential technical documentation for engineers and automation technicians, detailing performance specifications, general-purpose input block ratings, wiring diagrams, and comprehensive TÜV/EN compliant safety precautions. It ensures proper integration for industrial control systems requiring robust, certified safety function.

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Safety Relay Unit (PLC I/O Unit Type)

CQM1-SF200/CS1W-SF200

CSM_CQM1-SF200_CS1W-SF200_DS_E_2_1

A Safety Relay Unit That Functions as a PLC I/O Unit. Less Installation Space and Wiring Required. Safety Relay Unit that can be used as an I/O Unit for OMRON’s CQM1H and CS1-series PLCs. Requires less installation space and wiring. Monitors power supply, output, and internal relays for safety circuits. Equipped with four general-purpose input terminals. Conforms to EN standards. (TÜV certification)

Be sure to read the “Safety Precautions” on page 8.

Model Number Structure Model Number Legend: CQM1-@@@@@ 1 2 3 4 CQM1: CQM1 I/O Unit Type

CS1W-@@@@@ 1 2 3 4 CS1W: CS1 I/O Unit Type 1. Function SF:PLC I/O Unit Type Emergency-stop Unit 2. Contact Configuration (Safety Output) 2: DPST-NO 3. Contact Configuration (OFF-delay Output) 0: None 4. Contact Configuration (Auxiliary Output) 0: None

Ordering Information PLC I/O Unit Type Emergency-stop Unit

Number of input Number of general-

Main contact Rated voltage Auxiliary contact Model

channels purpose inputs

1 channel or CQM1-SF200

DPST-NO 24 VDC None 4 inputs

channels possible CS1W-SF200

Page Summary Contents For OMRON Safety Product CQM1-SF200 CS1W-SF200 Safety Relay Unit (PLC I O Unit Type) Data Sheet

Page 1 Safety Relay Unit (PLC I/O Unit Type) CQM1-SF200/CS1W-SF200 CSM_CQM1-SF200_CS1W-SF200_DS_E_2_1 A Safety Relay Unit That Functions as a PLC I/O Unit. Less Installation Space and Wiring Required. Safety...
Page 2 CQM1-SF200/CS1W-SF200 Specifications Ratings (Safety Circuit Block) Power Input Item Model CQM1-SF200 CS1W-SF200 Power supply 24 VDC voltage Operating 85% to 110% of rated power supply voltage voltage...
Page 3 CQM1-SF200/CS1W-SF200 Characteristics Item Model CQM1-SF200 CS1W-SF200 Contact resistance *1 100 mΩ max. Operating time *2 300 ms max. Response time *3 10 ms max. Between safety circuits and safety ou...
Page 4 CQM1-SF200/CS1W-SF200 Operation Indicators Indicator Color Indicator status Operating status Meaning The Unit is recognized by the CQM1H or CQM1 Green Lit Normal PLC after power is turned ON. Power ha...
Page 5 CQM1-SF200/CS1W-SF200 Application Examples Two Channels of Emergency Stop Switch Input/Manual Reset (Common to CQM1-SF200 and CS1W-SF200) S1 K1 K2 PLC input KM3 Indicator PLC T11 output PWR S2 Indicat...
Page 6 CQM1-SF200/CS1W-SF200 Two Channels of Limit Switch Input/Manual Reset (Common to CQM1-SF200 and CS1W-SF200) S2 input KM3 Indicator PLC T11 output PWR open T12 S3 Indicator T22 Indicator KM1 K3 KM1 KM2...
Page 7 CQM1-SF200/CS1W-SF200 Two Channels of Limit Switch Input with Auto-reset (Common to CQM1-SF200 and CS1W-SF200) K1 K2 PLC S2 input KM3 Indicator output PWR open T12 Indicator T22 Indicator KM1 K3 KM1 K...
Page 8 CQM1-SF200/CS1W-SF200 Safety Precautions Refer to the “Precautions for All Relays” and “Precautions for All Relays with Forcibly Guided Contacts”. Refer to the CQM1H Catalog (Cat. No. P050) and the CS...
Page 9 Read and Understand This Catalog Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranty and Li...

Manual Details

Brand Omron
Pages 9
File Size 754.96 KB
Published June 05, 2026
45 views

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Frequently Asked Questions

What PLCs can this Safety Relay Unit be used with?

It can function as an I/O Unit for OMRON’s CQM1H and CS1-series PLCs.

How are general inputs measured regarding current draw?

The input current is 6 mA (typical) at 24 VDC for the CQM1-SF200, or 7 mA (typical) at 24 VDC for the CS1W-SF200.

What physical environments does it operate in?

It operates in an ambient temperature range of 0 to 55°C and a humidity range of 10% to 90% with no condensation.

Does product performance data constitute a guarantee?

No, the performance data is provided as a guide and does not constitute a warranty; users must correlate it to actual application requirements.