Chapter 3 Installation and Wiring
3-1
Chapter 3 Installation and Wiring
3.1 Installation
3.1.1 Installation environment
This product is of high reliance regardless of installation environment. However, for the sake of reliance and stability of the
system, please pay attention to those precautions described below.
1) Environmental conditions
- To be installed on the control panel waterproof and dustproof.
- No continuous shocks or vibration will be expected.
- Not to be exposed to the direct sunlight.
- No dew should be caused by rapid temperature change.
- Ambient temperature should be kept 0 - 55 . ℃
2) Installation work
- No wiring waste is allowed inside PLC when wiring or drilling screw holes.
- To be installed on a good location to work on.
- Don’t let it installed on the same panel as a high-voltage device is on.
3.1.2 Handling precautions
Precautions for handling High Speed counter module are as described below from the opening to the installation.
1) Don’t let it dropped or shocked hard.
2) Don’t remove PCB from the case. It will cause abnormal operation
3) Don’t let any foreign materials including wiring waste inside the top of the module when wiring.
Remove foreign materials if any inside.
4) Don’t install or remove the module while powered On.
3.2 Wiring Precautions
1) Pay attention to do action about external noise during wiring for the pulse input of the high
counter module.
2) Surely use twisted pair shielded cable, grounded with 3 class applied.
3) Keep away from power cable or I/O line which may cause noise.
4) Connect A-phase only for 1-phase input.
5) Please take the wiring with consideration the maximum output distance of pulse generator.
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