49
step 2 Pass the cables out of the BESS cabinet and into the PCS cabinet through the inlet and
outlet holes.
step 3 Make sure that the AC cables are connected in the correct order.
table 5-4 Port description
Cabinet Mark
Description
*Recommended
specification
BESS
cabinet
CONN4–1
DC24V+, connected to
XK6–1 of PCS
2.5 mm
2
CONN4–2
DC24V-, connected to
XK6–2 of PCS
2.5 mm
2
*The noted cable specifications are recommended values. It can be adjusted according to
actual needs.
step 4 Wiring according to the port identification and definition. Tighten with a screwdriver with a
torque of 0.7±0.1 N·m.
- - End
The power cable drawn from the PCS cabinet is connected to the EMS cabinet to supply
24Vdc power to the EMS. The port definitions are as follows.
table 5-5 Port description
Cabinet Mark
Description
*Recommended
specification
PCS cabinet
XD1–4 Connected to EMS DC24V+ 2.5 mm
2
XD1–5 Connected to EMS DC24V- 2.5 mm
2
*The noted cable specifications are recommended values. It can be adjusted according to
actual needs.
This function is reserved.
5.10 Communication Connection
The external communication interface inside the BESS and PCS, the location of the
interface is shown in the figure below.
System Manual 5 Electrical Connection
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