Omron DST1 Series, Руководство по эксплуатации

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1-4 Description of Safety Functions
Dual Channels, Complementary
The status is treated as normal when one channel is ON and the other channel is OFF.
When both channels are ON or both channels are OFF, it is treated as an error, and the
safety input data and the individual safety input status will turn OFF for both inputs.
IN0
IN1
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Discrepancy time
Remote
I/O data
* Normal
IN0
IN1
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Discrepancy time
Remote
I/O data
* Error
Error
Safety input 0
Safety input 1
Status of safety
inputs 0 and 1
Safety input 0
Safety input 1
Status of safety
inputs 0 and 1
Error Recovery
All conditions below are necessary to recover from an error that has occurred in a
safety input.
• The cause of the error must be removed.
• The error latch time must have passed.
• The input signal must return to an inactive state and there must be no error
condition detected. (e.g., by pressing the emergency stop button or opening a
door)
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