Alpha ESS STORION-T50 Installation Manual page 17

INSTALLATION
E.
Connect the PCS and EMS after opening the PCS cabinet front door and removing
the panel of the right side. You can see the communication interface at the right
bottom. Then please connect TOP BMU box (Port 29 -485A and Port 30 - 485B) to
the PCS (Port 9 - 485A and Port 10 - 485B ) by using the RS485 cable from the parts
list , and connect TOP BMU box dry contact port (Port 05 and Port 06) to the PCS
(Port 1 and Port 2 ) by using the RS485 cable from the parts list as Figure 4-12
shows.
Panel
1
2
9
10
Figure 4-12 Connection between EMS and PCS
28
TOP BMU
29
The terminal strip ports of PCS are defined as is shown in Table 18.
Table 18 Definition of terminal strip ports of PCS
Item Terminal
Input Signal Loop
1 IN1
2 IN1 GND
3
IN4
4 IN4 GND
5 IN5
6 IN5 GND
External Communication Loop
7
CAN H
8
CAN L
9 485 A
10
485 B
External EPO Input
11
EPO-C
12
EPO-NO
F
Connect the COM port 9 and COM port 10 of TOP BMU box with a regular net
cable.
G
Another COM port of HV900112 should be inserted with the terminal residence
from DC Junction box parts list. Please see the detailed information Figure 4-13.
Figure 4-13 Terminal resistance in one of the HV900112
INSTALLATION
Notes
BMS Fault Signal
On/Off-grid Switch Node 1
On/Off-grid Switch Node 2
From External BMS
To External RS485
From External EPO