Table of Figures
FP2/FP2SH
vii
Before You Start
Operating environment
(Use the unit within the range of the general specifications when installing)
• Ambient temperatures:0 to +55 °C
• Ambient humidity: 30% to 85% RH (at 25 °C, non−condensing)
• For use in pollution Degree 2 environment.
• Do not use it in the following environments.
− Direct sunlight
− Sudden temperature changes causing condensation.
− Inflammable or corrosive gas.
− Excessive airborne dust, metal particles or saline matter.
− Benzine, paint thinner, alcohol or other organic solvents or
strong alkaline solutions such as ammonia or caustic soda.
− Direct vibration, shock or direct drop of water.
− Influence from power transmission lines, high voltage
equipment, power cables, power equipment, radio transmitters,or
any other equipment that would generate high switching surges.
(100mm or more)
About static electricity
• Do not touch connector pins directly to prevent static electricity
from causing damage.
• Always rid yourself of any static electricity before handling this
product.
Wiring the Power Supply to the Control Unit
• Use a power supply wire that is thicker than 2 mm
2
(AWG14), and
twist it.
• The unit has sufficient noise immunity against the noise generated
on the power line.
However, it is recommended to take measures for reducing noise
such as using a isolating transformer before supplying the power.
• Allocate an independent wiring for each power supplying line,
input/output device and operating device.
If using a power supply without a protective circuit, power should
be supplied through a protective element such as a fuse.
• Use the same power supply system for the CPU backplane and
expansion backplane so that they are turned on and off
simultaneously.
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