Here is documentation provided for connecting Advanced Air ECU (Environmental control unit) to a TCP/IP network.

Device equipment used:

Fuji Frenic mini motor control: FRN0001 series
Yokogawa temperature control: UT152 series

MOXA 5150 TCP/IP comm port server or MOXA MB3180 Modbus gateway

For the sTGC ECU the following modbus IDs are assigned:

Yokogawa module:

Air temperature: 1
Humidity: 2
CFM: 3

Frenic: reserved for ID 4 (NOTE: remote panel connected so unit is not on MODBUS chain)