QUALITROL AKM345 GEN3 OTIWTI
TM
Instruction Manual
40-08847-00-Rev001
www.qualitrolcorp.com
Page 22 of 34
5.3.6
Modbus
The AKM345 GEN3 can be specified to include RS-485 Modbus communication.
Modbus communication can only be specified with a powered remote output. Further information is available
in section 9 of this manual.
The wiring for the RS-485 Modbus is designated as follows:
•
81 = RxTx Ground
•
82 = TX+
•
83 = TX-
•
84 = RX+
•
85 = RX-
•
86 = RxTx Screen
•
NOTE:
terminal block arrangement may differ depending on other options selected, but terminal
designation will remain the same
RS-485 Modbus Wiring Example
