SMC Networks EX12 SCS Series Operation Manual page 19

Compobus/s compatible si unit
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<Precautions for replacement of SI unit>
1. Be sure to turn the power OFF before replacing the SI unit.
Otherwise injury or SI unit malfunction can result.
2. Check the wiring before supplying power.
Otherwise damage to the SI unit can result in some wiring conditions, causing breakdown or malfunction.
3. The screws should be tightened to the specified torque.
4. Check the seal is not caught or left unmounted.
Otherwise, the enclosure conditions will not be satisfied (for EX124 Series).
○How to replace the EX120 Series SI unit
Removal
1. Lift the clip at the bottom of the SI unit with a flat blade screw driver.
By lifting the clip, the hook will be removed from the manifold, and this releases the SI unit.
2. Slide the SI unit upwards with the clip pulled.
-18-
No.EX※※-OMC0002-C

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