Led Indicators; Definitions Of Pins On Rs-485/Rs-482 Communication Ports - Delta DVPSCM Series Operation Manual

Communication Module DVPSCM12/52-SL

2.3 LED Indicators

LED indicator
Green
POWER
light
Green
RUN
light
ERR Red light
Orange
TX1⁄TX2
light
Orange
RX1⁄RX2
light
Green
RS-485⁄RS-422
light

2.4 Definitions of Pins on RS-485/RS-482 Communication Ports

Terminal block
4
Status
On Normal power supply
Off No power supply
The status of the SCM module is
On
RUN.
The status of the SCM module is
Off
STOP.
On Hardware error
There is an error in system
Flash
settings or communication.
Off No error
Data is being transmitted through
Flash
the RS-485⁄RS-422 port.
No data is being transmitted
Off
through the RS-485⁄RS-422 port.
Data is being received through the
Flash
RS-485⁄RS-422 port.
No data is being received through
Off
the RS-485⁄RS-422 port.
On RS-485 mode
Off RS-422 mode
Terminal no.
1
2
3
4
5
6
Indication
No action is required.
Check whether the power supply is on.
No action is required.
No action is required.
Contact the original factory.
Restore it to the factory default.
No action is required.
No action is required.
No action is required.
No action is required.
No action is required.
No action is required.
No action is required.
RS-485
D+
D-
SG
Disposal
RS-422
TX+
TX-
RX+
RX-
SG
SG
DVP-PLC Operation Manual