6
PRECAUTIONS
• Mounting
This sensor is provided with an M2.6 screw (neck length 12mm),
hexagonal head unit, plain washer and spring washer.
Tighten the screw to the torque shown below.
Allowable tightening
torque
Recommended screw
diameter
0.5N-m
M2.6
• Influence of surrounding metal
Metal other than the object surrounding the sensor may in-
fluence operating characteristics. Maintain the following space
between the sensor and surrounding metal:
Side (mm)
Top (mm)
A=3
B=8, C=10
Side sensing type
Top sensing type
• Mutual interference prevention
When mounting proximity sensors in parallel or facing each
other, mutual interference may cause the sensor to malfunction.
Maintain at least the spaces indicated in the figures above.
When alternately mounting standard-frequency types and
different-frequency types (Catalog listing
APM-
3
1F)ina
row, maintain at least the space indicated by the figure in
parentheses for both dimensions A and B.
Side sensing type
Top sensing type
Facing each other
isolation
A (mm)
B (mm)
Side sensing type
20(0)
40(10)
Top sensing type
20(0)
40(10)
• Operation at power ON
After the power is turned ON, it takes 40ms or less until the
proximity sensor is ready for sensing.
When the load and the proximity sensor use different power
supplies, be sure to turn the proximity sensor ON before turning
the load ON.
• Minimum cord bending radius (R)
The minimum bending radius (R) of the cord is 10mm. Take care
not to excessively bend the cord beyond this radius. Also, do not
excessively bend the cord within 30mm of the cord lead-in port.
RESTRICIONS ON USE
This product has been designed, developed and manufactured for
general-purpose application in machinery and equipment. Accordingly,
when used in applications outlined below, special care should be taken
to implement a fail-safe and/or redundant design concept as well as a
periodic maintenance program.
- Safety devices for plant worker protection
Start/stop control devices for transportation and material
handling machines
- Aeronautical/aerospace machines
- Control devices for nuclear reactors
Never use this product in applications where human safety may be put
at risk.
(01)
Printed in Japan (SP)
1st Edition: lssued in Apr., 2002
2nd Edition: Issued in Oct., 2003
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