Huawei SmartLogger3000 User Manual page 25

SmartLogger3000
User Manual
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Issue 03 (2020-01-10)
DI Port
DI2
DI3
DI4
AI ports: analog input ports, which are used to connect to AI power grid scheduling
commands or environment monitoring sensors.
AI Port
AI1
AI2
AI3
AI4
DO ports: digital output ports, supporting two relay outputs. A DO port supports a
maximum of 12 V signal voltage.
DO Port
DO1
DO2
USB port: supports USB2.0 for connecting to a USB flash drive.
Copyright © Huawei Technologies Co., Ltd.
Description
contact signals.
12V
2
12V
3
12V
4
12V
Description
1 Supports one channel of
voltage-type (0–10 V) AI signals.
GND
2 Support three channels of
current-type (0–20 mA or 4–20
GND
mA) AI signals.
3
GND
4
GND
Description
 The NC/COM is a normally
NC
closed contact.
COM
 The NO/COM is a normally
open contact.
NO
NC
COM
NO
2 Product Overview
17