
-7-
No.D-
※
S-OMU0002-A
Operating Environment
Warning
(1) Do not use the auto switch in the presence of explosive gases.
Position sensors are not designed with an explosion proof construction. Fire or an explosion may result.
Caution
(1) Do not use in a location where magnetic fields are generated.
The Position sensor will malfunction or the accuracy will be decreased.
(2) Do not use in an environment where the position sensor will be continually exposed to water or
condensation.
Although the product satisfies the IEC standard IP67 specifications, do not use in applications continually
exposed to water splashing or spray. Otherwise, insulation failure or malfunction may result.
(3) Do not use in an environment where oil or chemical splashes can occur.
If the products 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.
Heat cycles other than ordinary changes in temperature can adversely affect the position sensor.
(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 cylinder/actuator
with magnet built in, it may cause the position sensor to malfunction due to a weakening of the magnetic
force inside the actuator.
(6) Do not use in an area where surges are generated.
When there are units (solenoid lifter, high frequency induction furnace, motor, etc.) which generate a
large amount of surge in the area around the cylinder/actuator with position sensor, this may cause
damage to the position sensor internal circuit.
(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 product is CE marked, but not immune to lightning strikes. Take measures against lightning
strikes in the system.
(10) Do not use the product in a welding environment.
The Position sensor will malfunction or the accuracy will be decreased.
Maintenance
Warning
(1) Removal of equipment, and exhausting the compressed air.
When components are removed, first confirm that measures are in place to prevent workpiece from
dropping, run-away equipment, etc. Then, cut the supply pressure and electric power, and exhaust all
compressed air from the system using the residual pressure release function.
When machinery is restarted, proceed with caution after confirming that appropriate measures are in place to
prevent cylinders from sudden movement.
(2) Never touch the terminals while the power is on.
Otherwise electric shock, malfunction or damage to the position sensor can result.
(3) Perform the following maintenance regularly to avoid possible danger due to unexpected position
sensor malfunction.
1) Securely tighten the position sensor mounting screws.
If screws become loose or the mounting, position is moved, retighten them after readjusting the
mounting position
2)Check that there is no damage to the lead wire.
If damage to the lead wire is found, replace the position sensor, or repair the lead wire, to avoid faulty
insulation.
Caution
(1) Do not use solvents such as benzene, thinner, alcohol etc. to clean the position sensor.
These can damage the surface of the body and erase the markings on the body.
For heavy stains, use a damp cloth that has been soaked with diluted neutral detergent and fully
squeezed, then wipe up the stains again with a dry cloth.