Sofar PowerMagic - Page 77

PowerMagic 400V C&I Energy Storage System User Manual
73
7~8
Detection of CSU and
backup cabinet QF 3
switch
9~10
CSU and backup cabinet
SPD1 state detection
11~12
CSU and backup cabinet
SPD2 state detection
13~14
CSU with backup cabinet
QF1 switch opening and
closing status detection
15~16
Detection of CSU and
backup cabinet QF 2
switch
J13
1~2
External alarm signal input
to CMU
（
0.5~1mm²
）
*8
Pre-wired interface, no
wiring required
3~4
CMU output external fault
Pre-wired interface, no
wiring required
5~6
Local management alarm
signal input to CSU
7~8
CSU alarm signal output
to local management
J14
1~2
CSU control and backup
cabinet STS closure
（
0.5~1.5mm²
）
*8
3~4
CSU control and backup
cabinet switch QF1
closure
5~6
CSU control and backup
cabinet switch QF1
disconnection
7~8
CSU control and backup
cabinet switch STS
disconnection
9~10
The CSU draws 24V from
the grid side of the backup
cabinet.
16AWG*2
11~13
/
/
No wiring required
14~16
CSU collects and
disconnects grid-side line
voltage from the cabinet
16AWG*3
Operating procedure
Step 1 Find the matching plugs and pins for the terminals that come with the cabinet.