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Installation
Section 3-1
Note On unpacking the NT31/NT31C and peripheral devices, check their external ap-
pearance and confirm that there is no damage. Also confirm that there is no ab-
normal noise on shaking the unit lightly.
3-1 Installation
Install the NT31/NT31C in the operation panel and connect the power to the
NT31/NT31C as described below.
3-1-1 Installation Environment
Observe the following points when installing the PT in an operation panel.
Notice S Do not install the unit at sites subject to the following conditions.
- Severe temperature variations
- Temperatures or humidities outside the ranges stated in the specifications
- High humidity, condensation
- Splashing chemical agents
- Severe oil splashing
- Corrosive or flammable gases
- Strong vibrations or shocks
- Direct exposure to wind and rain (outdoor sites)
- Strong ultra-violet irradiation
S Take adequate measures to ensure shielding if the unit is used at a location sub-
ject to any of the following conditions.
- Static electricity, or noise from other equipment
- Strong electromagnetic fields
- Nearby power cables
- Potential exposure to radioactivity
3-1-2 Installation in the Operation Panel
The NT31/NT31C is mounted in an operation panel by embedding it in the panel.
Use the panel fittings and tool (Philips screwdriver) included in the product pack-
age and follow the procedure below.
(1) Open a hole of the dimensions shown below in the panel and install the
NT31/NT31C from the front side of the panel.
131
+0.5mm
0mm
184
+0.5mm
0mm
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