User's Manual

Table Of Contents
SmartLogger3000
User Manual
4 Cable Connections
Issue 04 (2020-03-11)
Copyright © Huawei Technologies Co., Ltd.
45
Figure 4-8 Connecting the AI 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
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.