The ZM-SKS B is an add-on (plug-in) circuit card designed specifically for old AS210B industrial door controller.  It is not a standalone controller – it works in conjunction with the AS 210 B to enable all functions.

• Acts as a safety and functionality expansion module
• Primarily used for closing edge safety device integration
• Enables additional automation and signaling features
• Enables logic for Photocells and radio receivers to be used

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