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What are the Modbus register addresses of the Zelio Logic communications module SR3MBU01BD?

The input register addresses are %MW16 - %MW19 but are only available in FBD, not Ladder.  The output register addresses are %MW20 - %MW23.  The Zelio clock can be interrogated using registers %MW32 - %MW35.

The attached file gives more detailed information.
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