Appendix A
Connector Pin Assignments
Fieldbus Connector (Modbus-RTU)
Power Connector
Notes:
• Use 60/75 or 75×C copper (CU) wire only.
• The terminal tightening torque must be between 5... 7 lbs-in (0.5... 0.8 Nm)
Pin
Signal
Description
Housing
Shield
Bus cable shield, connected to PE
1
-
-
2
TxD
Transmit data (RS-232)
3
RxD
Receive data (RS-232)
4
-
-
5
GND
Ground, galvanically isolated
6
+5V
+5V, galvanically isolated
7
A
A-Line (RS-485)
8
B
B-Line (RS-485)
9
CAN_V+
Opional CAN external power supply
Pin
Description
1
+24V DC
2
GND
5
1
6
9
(female)