MANUAL
– Subject to alteration! Version: August 2022
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15
5.1.2
RS485
•
Voltage output = 24 V / 0.7 A, reverse polarity and overload protected
Note:
Pin 7 for the power supply must be activated in the user software.
•
Maximum baud rate = 2.5 Mbit/s
Fig. 7: Pin assignment of the RS485 interface
Pins
Signal
Description
1
-
Not assigned
2
-
Not assigned
3
-
Not assigned
4
D1/B/B'
Transreceiver Terminal 1, V1 Voltage (V1 >
V0 for binary 1 [OFF] status)
5
D0/A/A'
Transreceiver Terminal 0, V0 Voltage (V0
> V1 for binary 0 [ON] status)
6
-
Not assigned
7
24 V
Power supply
8
GND
Ground / 0 V / V-
Note:
By default, termination is set for the CAN and RS485 interfaces.
Therefore place the module at the end of a bus structure and switch over the devices that
formed the termination until then.
