Modbus funtions available
Event connection Modbus master 0CEvent connection Modbus slave 0CEvent counter Modbus master 0BEvent counter Modbus slave 0BIdentification Modbus slave 11Slave identification Modbus master 11Write n output bits Modbus slave 0FWrite n output words Modbus slave 10Diagnostic Modbus master 08Diagnostic Modbus slave 08Exceptional read status Modbus master 07Exceptional read status Modbus slave 07Read bits Modbus master 01Read input bits Modbus master 02Read input bits Modbus slave 02Read input words Modbus master 04Read n input words Modbus slave 04Read n output bits Modbus slave 01Read n output words Modbus slave 03Read words Modbus master 03Write 1 bits or n bits Modbus master 05Write 1 input word Modbus slave 06Write 1 output bit Modbus slave 05Write 1 word or n word Modbus master 06
Local signalling
for communication (CH0) 1 LED for internal fault, module failure (ERR) 1 LED for module operating (RUN) 1 LED