1. Temperature Temperature Temperature Temperature
Transmitter Transmitter Transmitter Transmitter
Group 6 Group 8 Group 10 Group 12
Temperature Temperature Temperature Temperature
Transmitter Transmitter Transmitter Transmitter
Group 5 Group 7 Group 9 Group 11
Plant Area 2 Plant Area 3
Temperature Temperature Temperature Temperature
Transmitter Transmitter Transmitter Transmitter
Group 2 Group 4 Group 14 Group 16
Temperature Temperature Temperature Temperature
Transmitter Transmitter Transmitter Transmitter
Group 1 Group 3 Group 13 Group 15
Plant Area 1 Plant Area 4
Allen-Bradley
PLC
DH2
Wireless Temperature Transmitters
located through out the plant transmit
temperatures to the new wireless
DH2 Gateway system that provides
serial modbus data to the PLC.
Serial Modbus
RS 232 / 485