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Safety Precautions
Safety functions may be impaired and serious injury may occasionally occur. Do not use the
test outputs of the products as safety outputs.
Safety functions may be impaired and serious injury may occasionally occur. Do not use De-
viceNet standard I/O data or explicit message data as safety signals.
Safety functions may be impaired and serious injury may occasionally occur. Do not use the
indicators on the products for safety operations.
Serious injury may possibly occur due to breakdown of safety outputs or test outputs. Do not
connect loads beyond the rated value to the safety outputs or test outputs.
Safety functions may be impaired and serious injury may occasionally occur. Wire the output
lines and 24-VDC line so that they will not touch each other to prevent a load from turning ON
due to a short-circuit with the 24-VDC line.
Safety functions may be impaired and serious injury may occasionally occur. Ground the 0-
V side of the external power supply to prevent an output from turning ON due to a ground fault
in a safety output or test output.
Safety functions may be impaired and serious injury may occasionally occur. For the DST1-
MRD08SL-1, apply only one AC line phase to the relay output.
Safety functions may be impaired and serious injury may occasionally occur. For the 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 selection with the fuse manufacturer to ensure
the dependability of the characteristics of the connected load.
Safety functions may be impaired, and serious injury may occasionally occur. Before con-
necting a device to the network, clear the previous configuration data.
Safety functions may be impaired and serious injury may occasionally occur. Before connect-
ing a device to the network, configure the appropriate node address and the baud rate.
Safety functions may be impaired and serious injury may occasionally occur. Before operat-
ing the system, conduct user testing to confirm if the configuration data of all the devices and
their operations are correct.
Safety functions may be impaired, and serious injury may occasionally occur. When replac-
ing a device, confirm that the replacement device is appropriately configured and operates
properly.
Serious injury may possibly occur due to loss of required safety functions. Use appropriate
components or devices according to the requirements given in the following table.
L1 L2 L3 N
DST1-
MRD08SL-1
Load
Correct
! WARNING
L1 L2 L3 N
Load
Incorrect
DST1-
MRD08SL-1
Load
Load
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