SMC Networks LFE series - Page 7

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No.LFE****-OMZ0012
● Product handling
* Mounting
- Tighten to the specified tightening torque.
If the tightening torque is exceeded, the mounting screws, brackets and product may be damaged. Insufficient
torque can cause displacement of the product from its proper position and the looseness of the mounting screws.
- If a commercially available switching power supply is used, be sure to ground the frame ground (FG)
terminal.
- Do not use where the product is subjected to vibration or impact.
Otherwise damage to the internal components may result, causing malfunction.
- When multiple sensors are mounted together in parallel on an installation within the area not suitable for
mounting next to the product, a detected flow rate to fluctuate.
Products should be mounted with a suitable distance between each sensor.
- When piping the product, apply a spanner on the metal part of the piping port to turn the fitting.
Holding other parts of the product with a tool may damage the product.
Specifically, make sure that the spanner does not damage the M12 connector.
This will damage the connector.
- Any dust left in the piping should be flushed out by air before connecting the piping to the product.
Otherwise it can cause damage or malfunction.
- Refer to the flow direction of the fluid indicated on the product label for installation and piping.
- Avoid piping in which the piping size of the IN side of the switch changes suddenly.
If the piping size is reduced suddenly, or there is a restrictor such as a valve on the IN side, the fluid velocity
distribution in the piping will be disturbed, leading to improper measurement. Therefore, the above mentioned
piping reduction or restrictor should be connected on the OUT side.
If the OUT side is opened, or the flow rate is excessive, cavitations may be generated, which may result in
improper measurement. As a measure against this, it is possible to reduce the cavitations by increasing the fluid
pressure.
Take action such as mounting an orifice on the OUT side of the switch, and confirm that there is no malfunction
before handling.
If the orifice of the OUT side is fully closed to operate the pump, the switch may malfunction due to the effect of
pulsation (pressure fluctuation). Ensure that there is no malfunction before use.
- Do not insert metal wires or other foreign matter into the flow path.
This can damage the sensor causing failure or malfunction.
- Never mount the product in a place that will be used as a scaffold during piping.
The product may be damaged if excessive force is applied by stepping or climbing onto it.