-8-
No.D-
※
S-OMI0002-B
Operating Environment
Warning
(1) Do not use the auto switch in the presence of explosive gases.
Auto switches are not designed with an explosion proof construction. Fire or an explosion may result.
Contact SMC for information regarding ATEX compliant products.
Caution
(1) Do not use in a location where magnetic fields are generated.
Auto switches will malfunction or the magnets inside actuators will become demagnetized.
(2) Do not use in an environment where the auto switch will be continually exposed to water.
Although auto switches satisfy the IEC standard IP67 construction, do not use in applications where continually
exposed to water splash or spray. Otherwise, improper insulation or malfunction may result.
(3) Do not use in an environment where oil or chemical splashes can occur.
If auto switches are used in an environment with coolants, cleaning solvents, oils or chemicals for even a short time,
they may be adversely affected by insulation failure, malfunction due to swelling of the potting resin, or hardening of
the lead wires.
(4) Do not use in an environment where there are cyclic temperature changes.
Temperature cycles other than normal temperature changes can adversely affect the auto switch internally.
(5) Avoid accumulation of iron debris or close contact with magnetic substances.
When a large amount of iron waste such as machining chips or spatter has accumulated, or a magnetic substance
(something attracted by a magnet) is brought into close proximity with the actuator, it may cause the auto switch to
malfunction due to a weakening of the magnetic force inside the actuator.
(6) Contact SMC for information regarding auto switch water resistance, elasticity of lead wires, applications
in welding sites, etc.
(7) Do not use in direct sunlight.
(8) Do not mount the auto switch in locations where it is exposed to radiant heat.
(9) The auto switch is CE marked, but not immune to lightning strikes. Take measures against lightning strikes
in the system.
Maintenance
Warning
(1) Removal of equipment, and exhausting the compressed air.
When equipment is to be removed, first confirm that measures are in place to prevent losing control of the equipment
or workpieces from falling, etc. Turn off the power supply, stop the air supply and exhaust all compressed air from the
system.
Before restarting the equipment, confirm that measures are taken to prevent sudden movement.
(2) Never touch the terminals while the power is on.
Otherwise electric shock, malfunction and damage to the product can result.
Caution
(1) Perform the following maintenance regularly to avoid possible danger due to unexpected auto switch
malfunction.
1) Securely tighten the auto switch mounting screws.
If the screws have become loose and the required mounting position has been lost, re-adjust the auto switch to the
correct mounting position and re-tighten the screws.
2) Check that there is no damage to the lead wire.
If damage to the lead wire is found, replace the auto switch, or repair the lead wire, to avoid faulty insulation.
3) Check the detecting position setting.
Confirm that the auto switch most sensitive position is at the centre of the operating range (red LED range).
Some actuator and cylinder series have their own setting methods. In such cases, follow the instructions given.
(2) Do not use solvents such as benzene, thinner, alcohol etc. to clean the auto switch.
This may damage the surface of the body or erase the markings on the body.
For heavy stains, use a cloth soaked with diluted neutral detergent and fully squeezed, then wipe up the stains again
with a dry cloth.
