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MODBUS RS422/485 PORT
MT8000
COM1 RS-485 4w
Modbus RTU Controller
RS422 Port
1 RX- TX-
2 RX+ TX+
3 TX- RX-
4 TX+ RX+
5 GND GND
MT8000 RS-485 2Wire
9P D-SUB
Modbus RTU
Controller RS485
COM1 COM3
1 RX- 6 Data- D-
2 RX+ 9 Data+ D+
5 GND 5 GND GND
Driver Version:
Version Date Description of Changes
V1.70 Aug/26/2009
V1.80 To turn LB9200 off when return code is error.
V1.90 Dec/24/2009
Fixed when receiving data from modbus rtu over 8 bytes, LW9570
can not calculate correctly.
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