CEL-MAR ADA-4040PC6, User Manual

Page: 6 / 24

3.3.1. NMEA0183 DEVICE CONNECTION TO RS485(4W) MODBUS-RTU BUS.
Fig 5. Example connection of ADA-4040PC6 to RS485(4W) 4-wire bus and FURUNO* GP-150 (NMEA0183).
3.3.2. NMEA0183 DEVICE CONNECTION TO RS485(2W) MODBUS-RTU BUS.
Fig 6. Example connection of ADA-4040PC6 to RS485(2W) 2-wire bus and FURUNO* GP-150 (NMEA0183).
6
ADA-4040PC6
RS485 / RS422
connector
RS485(4W) BUS
19200Bd/8/N/1
MODBUS-RTU
MASTER
MODBUS-RTU
DEVICE
SLAVE-2
MODBUS-RTU SLAVE-1
MODBUS-RTU
GND
Rt
Rt
Rx+
Rx-
Tx+/ A
Tx-/ B
RS422(4W)
4800Bd/8/N/1
GPS NAVIGATOR
FURUNO GP-150
NMEA 0183
SLAVE-2
MODBUS-RTU 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
RS422(4W)
4800Bd/8/N/1
GPS NAVIGATOR
FURUNO GP-150
NMEA 0183