Chapter 5 Temperature Measurement Module AH04PT/AH08PTG
5-15
2. Pull up the clip.
3. The terminal block is removed.
5.1.9 Wiring
Precautions
In order to make the functions of a temperature measurement module perfect and ensure the
reliability of a system at the same time, external wiring which prevents noise is necessary.
Before installing cables, users need to follow the precautions below.
(1) To prevent a surge and induction, an AC cable and input signal cables which are connected
to AH04PT-5A must be separate cables.
(2) A cable must not be installed near a main circuit, a high-voltage cable, or a cable connected
to a load which is not a PLC. Besides, a cable must not be bound to a main circuit, a
high-voltage cable, or a cable connected to a load which is not a PLC. Otherwise, effects
that noise, induction, and a surge have will increase.
(3) Please connect a shielded cable and a hermetically sealed cable with the ground
separately.
(4) Terminals with insulation sleeves can not be arranged as a terminal block. It is
recommended that the terminals be covered with insulation tubes.
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