Micro 612 I/O expansionlink

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I have been working with an intregration Project with multiple of Micro 612 and ABB 800xA using modbus.

I got most figured out but looking for a register for Child status on the I/O Expansion link.

I can make a heartbeat program but its over 80 plcs so would be neat to just read a status register.

Old stuff and cant find any soft manual

Micro 612 I/O expansionlink


Thanks in advance. John.

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