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MELSEC-QS/WS Series

Safety Controller


Best suited for small and medium safety systems! A compact new solution featuring easy to use settings.

Safety controller

This compact new safety controller complies with ISO13849-1 PLe and IEC61508 SIL3 safety standards.
The most suitable application of MELSEC-WS is to ensure safe operation of stand-alone machines or systems.
To meet your system configuration, it allows you to have additional I/O points of up to 144. Also, you can easily make settings and create logic by using the Setting and Monitoring Tool exclusively provided for the controller.

  • CPU module(WS0-CPU1) supports Flexi Link with EFI for safety communications between safety controllers
    Safety communications between safety controllers can be easily established at a low cost just by connecting the CPU modules with dedicated cables (Flexi Link cables).
    Using Flexi Link, safety communication can be conducted between up to four safety controllers.

MELSEC-WS basic configuration

Product name Model Abbreviated product model name
CPU module WS0-CPU000200 WS0-CPU0
CPU module (with EFI) WS0-CPU130202 WS0-CPU1
CPU module memory plug WS0-MPL000201 WS0-MPL
Safety input module WS0-XTDI80202 WS0-XTDI
Safety I/O module WS0-XTIO84202 WS0-XTIO
Safety relay output module WS0-4RO4002 WS0-4RO
RS-232 cable connecting to CPU module WS0-C20R2
USB/RS-232 conversion cable WS0-UC-232A
Ethernet interface module WS0-GETH00200 WS0-GETH
CC-Link interface module WS0-GCC100202 WS0-GCC1
Screw-in replacement terminal block WS0-TBS4
Spring clamp replacement terminal block WS0-TBC4
Setting and Monitor Tool SW1DNN-WS0ADR-B

SICK
This product was jointly developed and manufactured with the German safety device maker SICK AG.
Please note that the terms of the warranty differ from other PLC products.

SICK AG
http://www.sick.com/

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