Solution:

Modbus/TCP to RTU Bridge Setup 1) Network/IP Settings: IP Address ................. 192.168.0.159 Default Gateway ............ 192.168.000.001 Netmask .................... 255.255.255.000 2) Serial & Mode Settings: Protocol ................... Modbus/RTU,Slave(s) attached Serial Interface ........... 9600,8,N,1,RS485 3) Modem/Configurable Pin Settings: CP1 ...... RS485 Output Enable CP2 ...... Not Used CP3 ...... Not Used 4) Advanced Modbus Protocol settings: Slave Addr/Unit Id Source .. Modbus/TCP header Modbus Serial Broadcasts ... Enabled (Id=0 used as broadcast) MB/TCP Exception Codes ..... No (no response if timeout or no slave) Char, Message Timeout ...... 01000msec, 05000msec Serial TX Delay ............ 0010msec