Huawei SmartLogger3000 User Manual page 33

SmartLogger3000
User Manual
Appearance
Power Ports

Appearance

Select the intermediate relay with a free-wheeling diode in the coil. Otherwise, the device
may be damaged.
Appearance
Issue 03 (2020-01-10)
COM Port
COM1, COM2,
and COM3
Input power ports: There are two input power ports.
Input Power Port
12 V input
power port
24 V input
power port
12 V output power port: There is one 12 V output power port. Its maximum output
capability is 0.1 A. The port is used to drive the coil of the intermediate relay in the
export limitation or audible and visual alarm scenario.
Output Power Port
12 V output
power port
Copyright © Huawei Technologies Co., Ltd.
Description
+ RS485A, RS485 differential
signal+
–
RS485B, RS485 differential
signal–
Description
DC IN DC2.0 input port, which supports
12 V DC input and is used to
12 V, 1 A
connect to a power adapter.
DC IN 2-pin cord end terminal, which
supports 24 V DC input.
24 V, 0.8 A
When the device connects to the
power supply through the 12 V
input power port, this port can be
used as the 12 V output power
port.
Description
GND Power supply–
12V Power supply+
2 Product Overview
25