TOUCH OPERATING PANEL
HZS 771
15.07.2020
Page 11
X4:
CAN 1 (6-pin Weidmüller)
X5:
COM 3 (6-pin Weidmüller)
The RS485/Modbus interface is protected against external
voltages of ±30 V DC, there is no function for an error voltage!
Starting from HW version 1.10, the bus termination is made by an
120R resistor placed on the X5 connector between the
RS485/Modbus-A and RS485/Modbus-B lines.
X6: USB Device 1.1 (Type Mini-B)
Pin
Function
1
CAN A (LOW)
2
CAN B (High)
3
CAN A (LOW)
4
CAN B (High)
5
CAN GND
6
n.c.
Pin
Function RS485/ModBus
1
RS485/Modbus-A
2
RS485/Modbus-B
3
RS485/Modbus-A
4
RS485/Modbus-B
5
RS485/Modbus-GND
6
n.c.
Pin
Function
1
+5 V
2
D-
3
D+
4
n.c.
5
GND
