Appearance
COM Port
Description
COM1,
COM2, and
COM3
+
RS485A, RS485 differential
–
RS485B, RS485 differential
signal–
Power Ports
●
Input power ports: There are two input power ports.
Appearance
Input Power Port
Description
12 V input
power port
DC IN
12 V, 1 A
DC2.0 input port, which
supports 12 V DC input and is
used to connect to a power
adapter.
24 V input
power port
DC IN
24 V, 0.8 A
2-pin cord end terminal, which
supports 24 V DC input.
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.
●
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.
NO TICE
Select the intermediate relay with a free-wheeling diode in the coil.
Otherwise, the device may be damaged.
Appearance
Output Power Port
Description
12 V output
power port
GND
Power supply–
12 V
Power
SmartLogger3000
User Manual
2 Product Overview
Issue 10 (2022-08-20)
Copyright © Huawei Technologies Co., Ltd.
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