4.2.9 Connecting the PT Signal Cable
Context
The SmartModule provides two PT ports, which can be used to connect to three-
wire or two-wire PT100/PT1000 temperature sensors.
When a PT port needs to be connected to a two-wire PT100/PT1000, use a short-
circuit cable to short-circuit GND and – of the port.
Procedure
Step 1 Connect the PT signal cable.
Figure 4-22 Connection to a three-wire PT100/PT1000
(1) PT100/PT1000 temperature sensor
SmartLogger3000
User Manual 4 Cable Connections
Issue 10 (2022-08-20) Copyright © Huawei Technologies Co., Ltd. 60
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