Monitoring Interface Unit
No. |
Silk Screen |
Port Name |
Description |
|
---|---|---|---|---|
1 |
PARALLEL1 |
Parallel port |
Inter-cabinet parallel signal port 1 |
|
2 |
PARALLEL2 |
Parallel port |
Inter-cabinet parallel signal port 2 |
|
3 |
RS485 |
Northbound communications port |
|
|
4 |
FE |
Network port |
|
|
5 |
COM |
Northbound communications port |
|
|
6 |
MDU |
DB26 |
Connects to the MUS05A (DB26) port on the MDU for power supply and communication. |
|
7 |
DO_1 |
Output dry contact |
Function setting of output dry contact 1 for the lithium battery cabinet. The maximum voltage and current are 30 V DC/1 A or 60 V DC/0.5 A. |
|
8 |
DO_2 |
Output dry contact |
Function setting of output dry contact 2 for the lithium battery cabinet. The maximum voltage and current are 30 V DC/1 A or 60 V DC/0.5 A. |
|
9 |
EPO |
NO |
EPO port |
If the normally open (NO) signal port is connected to the EPO_12V port, emergency power-off (EPO) is triggered. |
12V |
||||
NC |
If the normally closed (NC) port is disconnected from the EPO_12V port, EPO is triggered. |
|||
12V |
In a parallel lithium battery system, activating the EPO signal of a single lithium battery cabinet triggers only emergency power-off of the lithium battery cabinet, which does not affect normal charge and discharge of other lithium battery cabinets in the system.
Pin |
Description |
---|---|
1 |
RS485+ |
2 |
RS485- |
3 |
- |
4 |
RS485+ |
5 |
RS485- |
6 |
GND |
7 |
CANH0 |
8 |
CANL0 |
Pin |
Description |
---|---|
1 |
RS485_T+ |
2 |
RS485_T– |
3 |
- |
4 |
RS485_R+ |
5 |
RS485_R– |
6 |
GND |
7 |
- |
8 |
- |