Omron DST1 Series, Operation Manual

Page: 33 / 114

1-3 Functions
1-3-4 Safety Outputs
Item Description
Any of the following three modes can be selected according to the external input
device.
Not Used The safety output is not used.
(External output device not connected.)
Safety Specifies not outputting the test pulse when the output is ON.
Contact between the output signal line and the power supply
(positive) when the output is OFF and ground faults can be
detected.
Output channel
mode
Safety Pulse Test Outputs the test pulse when the output is ON. Contact
between the output signal line and the power supply, and short
circuits with other output signal lines can be detected.
The consistency between signals on two channels can be evaluated. Either of the
following settings can be selected.
Single Channel Specifies using Single Channel Mode. When Single Channel
is set, the safety output that would be paired for the dual
channel parameter is also set to Single Channel Mode.
Dual channel
mode
Dual Channel Specifies using Dual Channel Mode. When both of the safety
outputs to be paired are normal, the outputs can be turned
ON.
Output error latch
time The OFF status is held for at least the output error latch time (0 to 65,530 ms, in
increments of 10 ms) when the individual safety output status turns OFF.
Short-circuit
detection Supported.
Overcurrent
detection Supported.
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