4.4.2. Communication Module Connections
The Communication 1 Module illustration please see Figure 4-7, the module
supports a RS-485 terminal for communication with a computer.
The Communication 2 Module illustration please see Figure 4-7, the module
Supports Digital Input, Demand Response Modes (DRMs), EPO, Dry Contact
and DC Output : 12V / 0.5A
Terminal Resistor
RS-485
+
-
+
-
VCC
GND
Communication 1
Communication 2
Figure 4-7 Communication module
Dry Contact
DC Output 12V / 0.5A
DC Output 12V / 0.5A
RJ45 Socket
Digital Input*4
EPO*1
DRMs*5
20
Wiring