Communication Connection - Sunways STH-4KTL-HT User Manual

4 Product Installation
※ 4.5 Communication Connection
4.5.1 Communication wiring illustration
All communication ports are hidden behind the communication terminal at the bottom
of inverter which including Meter port, CAN port, BMS port, EMS port, RLYOUT port, DRED
port, as shown in Figure 4-37、4-38.
Cables Screw cap
Single hole seal ring
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1
2
3
4
5
6
The insulator Screw
Com sheet cover
Figure 4-37
Figure 4-38
Inverter communication interface and definition as shown in table 4-39:
Type
METER
BMS
DRED
PARCAN
EMS
RLYOUT PARCAN
EMS
RLYOUT
Figure 4-39 Meter terminals definition
Dismantle the cover of the communication ports with a screwdriver, and put all communi-
cation cables through the holes and follow the illustration below to make the connection
of each communication cables, and when all cables have connected, put back the cover
and screw up the anti-water cap of the holes, as shown in Figure 4-40:
Figure 4-40
4 Product Installation
Definition
Communicate with Meter
Communicate with BMS
For Australia use/One key to shut off
Parallel CAN communication bus interface
EMS power dispatching interface
Dry contact output, a group of normally open
contact passive dry contact
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