3.3.1. CONNECTION OF JCT1 CONTROLLER TO RS485 (4W) MODBUS-RTU BUS
Fig 5. Example connection of ADA-4040PC8 to RS485 (4W) 4-wires bus and JCT1 controller to ADA-4040PC8
3.3.2. CONNECTION OF JCT1 CONTROLLER TO RS485 (2W) MODBUS-RTU BUS
Fig 6. Example connection of ADA-4040PC8 to RS485 (2W) 2-wires bus and JCT1 controller to ADA-4040PC8
6
ADA-4040PC8
RS485 / RS422
connector
RS485(4W) BUS
19200Bd/8/N/1
MODBUS-RTU
MASTER
MODBUS-RTU
DEVICE
SLAVE-1
MODBUS-RTU
GND
Rt
Rt
Rx+
Rx-
Tx+/ A
Tx-/ B
RS485(2W)
9600Bd/8/N/1
Controller
VIRAP JCT
Controller
VIRAP JCT
RS422(4W)
9600Bd/8/N/1
SLAVE-1
MODBUS-RTU
GND
Rt
Rt
Rx+
Rx-
Tx+/ A
Tx-/ B
RS485 / RS422
connector
RS485(2W) BUS
19200Bd/8/N/1
MODBUS-RTU
MASTER
MODBUS-RTU
DEVICE
Controller
VIRAP JCT
Controller
VIRAP JCT
RS485(2W)
9600Bd/8/N/1
RS422(4W)
9600Bd/8/N/1
