SOHARD SH ARC-GATEWAY User Manual page 32

Connector type: D-sub DE9F socket or 3-pin screw terminal block, not
internally terminated
D-sub DE9F:
Pin assigment
AGND is electrically connected to the chassis, GND_RS is the ground
signal of the isolated RS-485 circuit.
3-pin screw terminal block:
From left to right:
GND_RS (for shielding)
1.
DATA-A
2.
DATA-B
3.
RS485AC Interfaces (-RS485AC-RJ45 / -
9.4.5
RS485AC-BNC)
Important: To maintain the electromagnetic compatibility (EMC) the
shield of the cable connected to the RJ45 plug must be solidly attached to
the shield of the connector.
Connector type: RJ45 socket or BNC socket, isolated, not internally
terminated.
2024-01
Pin Marking
1,5 GND_RS Reference potential,
3 DATA-A
4 DATA-B
2, 6-8 NC
9 +5V_RS
Shield AGND
Description
supply
Data line A
Data line B
reserved
Isolated +5 V Supply for
RS485 Interface. The
maximum current must
not exceed 25 mA.
Shield
32