Omron DeviceNet DST1 Series Operation Manual page 16

Precautions
Control device
Emergency stop
switches
Door interlocking
switches
Limit switches
Safety sensors
Relays with forcibly
guided contacts
Contactors
Other devices
4 Precaution for Safe Use
Handle with care
Do not drop the DST1 to the ground or excessive vibration or mechanical shocks.
The DST1 may be damaged and may not function properly.
Installation and storage environment
Do not use or store the DST1 in any of the following locations.
• Locations subject to direct sunlight.
• Locations subject to temperatures or humidity outside the range specified in the
• Locations subject to condensation as the result of severe changes in temperature.
• Locations subject to dust (especially iron dust) or salts
• Locations subject to dust (especially iron dust) or salts.
• Locations subject to water, oil, or chemicals.
• Locations subject to shock or vibration.
Take appropriate and sufficient countermeasures when installing systems in the
following locations. Inappropriate and insufficient measures may result in malfunction.
• Locations subject to static electricity or other forms of noise.
• Locations subject to strong electromagnetic fields
• Locations subject to possible exposure to radioactivity.
• Locations close to power supplies.
Installation/ Mounting
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Installation/ Wiring
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10
Use approved switches with a direct opening mechanism
complying with IEC/EN 60947-5-1.
Use approved switches with a direct opening mechanism
complying with IEC/EN 60947-5-1 and capable of switching
micro-loads of 5 mA at 24 V DC.
Use approved sensors complying with the relevant product
standards, regulations, and rules in the country where it is used.
Use approved relays with forcibly guided contacts complying with
EN 50205. For feedback purpose, use devices with contacts
capable of switching micro-loads of 5 mA at 24 V DC.
Evaluate whether devices used are appropriate to satisfy the
requirements of safety category.
specifications.
Use the DST1 within an enclosure with IP54 protection or higher of IEC/EN
60529.
Use DIN rail (TH35-7.5/ TH35-15 according IEC61075) for placing the DST1 into
the control board.
Mount the DST1 to DIN rails with attachments (TYPE PFP-M, not incorporated
to this product), not to drop out of rails by vibration etc.
Spacing should be available around the DST1 at least 50mm from its top and
bottom surfaces for ventilation and wiring.
Use the following to wire external I/O devices to the DST1.
Solid wire
Standard (Flexible)
wire
Requirements
0.2 ~ 2.5 mm2 AWG 24 ~ 12
0.34 ~ 1.5 mm2 AWG 22 ~ 16
Standard wire should be processed with insulation-covered
bar terminal (DIN46228-4 standard compatible type) at its
ends before using for connection.