ALM-04-MRTU User’s Manual
ALM-04-MRTU
User’s Manual (Rev1.0, Jan./2020) ------------- 9
2.1.1
LED Indicator
Table 2-1
:
System Status Indicator
System Status Indicator
LED
Controller Status
LED Status
PWR
Power On
Blue LED
Alarm Status
Red LED
2.1.2
Connector Pin Define
Terminal NO
Pin Name
Wire Color
1
DI1
Brown
2
DI2
Red
3
DI3
Orange
4
DI4
Yellow
5
D+
Green
6
D-
Blue
7
DI.GND
Gray
8
Vin
Red
9
Vin
Red
10
GND
Black
11
GND
Black
12
Line Out
Purple
13
RL
White
14
RL
White
Figure 2-3
:
I/O Connector of ALM-04-MRTU
