Mitsubishi GOT1000 Series Connection Manual page 889

(2) How to connect the RS-485 cable
(a) For the GT15
•Connection to the RS-422/485 communication unit (model:GT15-RS4-9P)
•Connection to the RS-422/485 communication unit (model:GT15-RS4-9E)
(b) For the GT11
1 Connect the RS-485 cable to the RS-422/485
communication unit on the GOT.
1 Connect the RS-485 cable to the terminal block
enclosed by the RS-422/485 communication
unit.
2 Connect the terminal block to the RS-422/485
communication unit on the GOT.
1 Connect the RS-485 cable to the RS-422
interface on the GOT.
21.3 Preparatory Procedures for Monitoring
21.3.5 Attaching communication unit and connecting cable
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