HMS Anybus CompactCom B40 Modbus Serial User Manual page 22

Hardware Design
Example
The figure shows INPUT1 and INPUT2 signals directly for Modbus communication. INPUT1 signals
are strapped to Modbus address 0x01. INPUT2 signals are set to configure 1 stop bit, even parity
and baud rate 19200.
Fig. 7
Anybus ® CompactCom ™ B40 Modbus Serial User Manual
3V3
INPUT1_0
INPUT1_1
INPUT1_2
INPUT1_3
Modbus address setting = 1
INPUT1_4
INPUT1_5
INPUT1_6
INPUT1_7
INPUT2_0
INPUT2_1
INPUT2_2
3V3
INPUT2_3
INPUT2_4
INPUT2_5
Modbus stop bit setting = 0 (1 stop bit, even)
INPUT2_6
Modbus baud rate setting = 4 (19200)
INPUT2_7
20 (48)
SCM-1202-130 1.1 en-US