Safety Precautions - Omron DEVICENET SAFETY - 04-2005 Operation Manual

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Safety Precautions

Serious injury may possibly occur due to loss of required safety functions. Do not use test
outputs of the DST1 as any safety outputs.
Serious injury may possibly occur due to loss of required safety functions. Do not use De-
viceNet standard I/O data or Explicit message data as any safety data.
Serious injury may possibly occur due to loss of required safety functions. Do not use LEDs
on the DST1 for safety operations.
Serious injury may possibly occur due to breakdown of safety outputs. Do not connect loads
beyond the rated value to the safety outputs.
Serious injury may possibly occur due to loss of required safety functions. Wire the DST1
properly so that DC24V line do NOT touch the safety outputs accidentally or unintentionally.
Serious injury may possibly occur due to loss of required safety functions. Ground the 0V line
of the power supply for external output devices so that the devices do Not turn ON when the
safety output line is grounded.
For Model DST1-MRD08SL-1, Apply only one AC line phase to the relays output
For Model DST1-MRD08SL-1, Insert a fuse rated at 3.15A or less for each output terminal to
protect safety output contacts from welding.
Confirm the fuse selection with the fuse manufacturer to ensure the dependability of the char-
acteristics of the connected load.
Serious injury may possibly occur due to loss of safety functions. Use appropriate devices ac-
cording to the requirements given in the following table.
Controlling devices
Emergency stop switches
Door interlocking switches
Limit switches
Safety sensor
Relay with forcibly guided
contacts
Contactor
Other devices
L1 L2 L3 N
DST1-
MRD08SL-1
Load
Correct
Requirements
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, regula-
tions, and rules in the country where it is used.
Use approved devices with forcibly guided contacts compliant with EN 50205.
For feedback, use devices with contacts capable of switching micro-loads of
4 mA at 24 VDC.
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.
! WARNING
L1 L2 L3 N
Load
Incorrect
DST1-
MRD08SL-1
Load Load
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