User guide

4
Installation environment
To use this product properly and safely, avoid installing it in the following locations. Doing so
may lead to product breakdown.
• Location that is humid, dusty or poorly ventilated
• Location where the temperature becomes high, such as a place exposed to direct
sunlight
• Location where there are flammable or corrosive gases
• Location where the product may be directly subjected to vibration or impact
• Location where water, oil or chemicals may splash onto the product
Considerations for improving noise immunity
• Do not install in enclosures where high voltage devices are installed.
• Locate as far away as possible from power lines.
• Locate as far away as possible from devices that generate intense electric or magnetic
fields such as solenoids and chopper circuits.
• Use separate conduit for I/O lines, power lines, and high voltage lines to prevent noise-
induced erroneous operation.
•Ground protective earth terminals and shield wires to a ground resistance of 100 ohms
or less.
Precautions on CE Marking
This device conforms to CE marking directives when the following conditions are met:
Make sure these conditions are met if using this device within the EU nations.
The applicable standards (EMC Directive) are listed below:
EMI:EN61326-1, Class A
EMS:EN61326-1
Limit the length of the power supply cable and all input/output cables that are connected to
the terminal panel of the controller to 30 m or less.