Huawei SmartLogger3000 - Connecting the DO Signal Cable

Port Silk Screen Description
AI AI1 1 Supports 0–10 V input voltage.
GND
AI2 2 Support 0–20 mA or 4–20 mA
input current.
GND
AI3 3
GND
AI4 4
GND
NO TE
AI ports 1, 2, 3, and 4 are for AI+ signals, and the GND port is for AI– signals.
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4.1.8 Connecting the DO Signal Cable
Context
The DO port supports a maximum of 12 V signal voltage. The NC/COM is a
normally closed contact, while the NO/COM is a normally open contact. It is
recommended that the signal transmission distance be less than or equal to 10 m.
Procedure
Step 1 Connect the DO signal cable.
SmartLogger3000
User Manual 4 Cable Connections
Issue 10 (2022-08-20) Copyright © Huawei Technologies Co., Ltd. 47