F4-SLV-MB(R) (405 Modbus Slave Module)
 
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.pdf F4-SLV-MB-M
 
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.pdf F4-SLV-MB
 
arrow   FAQ:
    Q. I can't communicate to the slave module with my Modbus master.
A1 Verify the slot dependent V-locations are setup properly for your application. Make sure the mode word is setup for correct port and the baud rate is set. The locations are read on POWER-UP only. If the Module Revision V-location is 0, the SLV-MB(R) has not read the configuration pointer and mode word.