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iSitePower-M V100R002C00
User Manual (MAP05A1, MAB05B1)
Communications Ports
Table 3-3 Communications port description
Port
COM-PAR
COM-BAT
FE
NOTE
Table 3-4 COM-PAR pin definitions
Pin
1
2
3
6
4
5
7
8
Issue 03 (2022-10-28)
Communications
Parameter
Baud rate: 1 Mbit/s
Baud rate: 250 kbit/s
10M/100M
autonegotiation
The preceding ports are protected by security mechanisms.
Signal
Synchronization
signal 1+
Synchronization
signal 1–
Synchronization
signal 2+
Synchronization
signal 2–
Synchronization
signal 3+
Synchronization
signal 3–
CANH
CANL
Copyright © Huawei Digital Power Technologies Co., Ltd.
Communications
Protocol
CAN protocol
CAN protocol
FE1: BIN protocol/
HTTPS protocol
FE2: TCP-Modbus
protocol
Description
Parallel synchronization signal
Parallel high-speed CAN
3 Components
Function
Parallel
communications
port for power
modules
Parallel
communications
port between
the battery
module and
power module
Parallel control
communications
port
27
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