Huawei PowerCube 500 - Page 31

PowerCube 500 (CPS300-N18A1H)
User Manual
3 Component Description
Issue 02 (2019-08-30)
Copyright © Huawei Technologies Co., Ltd.
25
Figure 3-5 COM_CAN port pins
Table 3-3 COM_CAN port pin definitions
Pin
Signal Name
Description
1–4 and 6
Reserved
Reserved
5
BMS_ON+
Lithium battery presence
signal
7
BMS_ON-
8
CANH
CAN data transmission and
reception H
9
CANL
CAN data transmission and
reception L
Table 3-4 RS485 (northbound) port pin definitions
Pin
Signal
Remarks
1
RS485+
RS485 data +
2
RS485_GND
RS485_GND
3
RS485-
RS485 data –
Table 3-5 RS485 (reserved) port pin definitions
Pin
Signal
Remarks
1 and 4
GND
Ground
2
RS485+
RS485 data +
3
RS485-
RS485 data –
WiFi Function
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