Operating Environment Precautions - Omron DEVICENET SAFETY - 03-2008 Operation Manual

Operating Environment Precautions

Serious injury may possibly occur due to loss of required safety functions.
Clear the previous configuration data before connecting devices to the network.
Serious injury may possibly occur due to loss of required safety functions. Set
suitable node addresses before connecting devices to the network.
Serious injury may possibly occur due to loss of required safety functions. Per-
form user testing and confirm that all device configuration data and operations
are correct before starting system operation.
Serious injury may possibly occur due to loss of required safety func-
tions.When replacing a device, configure the replacement device appropriately
and confirm that it operates correctly.
For Model DST1-MRD08SL-1, insert a fuse rated at 3.15 A or less for each output
terminal to protect safety output contacts from welding. Confirm the fuse selec-
tion with the fuse manufacturer to ensure the dependability of the characteris-
tics of the connected load.
Serious injury may possibly occur due to loss of safety functions. Use appropri-
ate devices according to the requirements given in the following table.
Control device
Emergency stop switches
Door interlocking switches
Limit switches
Safety sensors
Relays with forcibly guided
contacts
Contactors
Other devices
4

Operating Environment Precautions

!
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, regu-
lations, 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 4 mA at 24 V DC.
Evaluate whether devices used are appropriate to satisfy the requirements of
safety category.
■ 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 specifications.
• Locations subject to condensation as the result of severe changes in tem-
perature.
• 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.
WARNING
Requirements
4
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