ABB MicroFlex e150 - Page 74

74 Electrical installation: input / output
Connections to a 4-wire RS485 device - ABB Keypad KPD202-501 shown:
Note: The MicroFlex e150 and other ABB equipment use ‘big endian’ word order and
byte order for Modbus protocols. If this is incompatible with other Modbus equipment,
the word and byte order for the MicroFlex e150 can be changed in Mint WorkBench.
See the Mint WorkBench help file for details.
MicroFlex e150ABB Keypad KPD202-501
RXA
8
5
3
2
7
1
3
6
2
5
TXA(+)
GND GND
TXB RXB(-)
RXB TXB(-)
RXA(+)TXA
Serial X6