User manual

Read/Write Holding Registers (0x03, 0x06, 0x10)
..............32
Read Input Registers (0x04)
....................................................32
Read, Set Coil Status (0x01, 0x05, 0x0F)
.............................33
Read Input Status (0x02)
..........................................................33
Error Handling
...........................................................................33
Modbus Packet Formats............................................................... 34
Read registers (Function Code 0x03 & 0x04)..................................36
Write single holding register (Function Code 0x06)........................36
Section 6: NIC Setup and Testing....................................................... 37
Jumper Placements...........................................................................37
Testing the Network.........................................................................37
Service Terminal Troubleshooting...................................................38
SNMP Troubleshooting ...................................................................38
Web Troubleshooting.......................................................................39
Modbus Troubleshooting .................................................................39