Omron NX-SL3300 User Manual page 171

Safety output command value
Safety output terminal 0
Safety output terminal 1
I/O indicator (yellow) 0
I/O indicator (yellow) 1
I/O indicator (red) 0
I/O indicator (red) 1
*1. This is the time that the error status (control data, status data, and indicator status) is held (1 s min.).
Errors Detected during Self-diagnosis
The errors that can be detected for safety output terminals are determined by the parameter settings.
The following table gives the errors that are detected for each parameter setting.
Test
Description
pulse di-
of operation
agnosis
Without Test pulses
Test Pulse are not output
when the out-
put is ON.
With Test Test pulses
Pulse are output
when the out-
put is ON.
*1. To detect ground faults, the 0-V line of the external power supply must be grounded.
NX-series Safety Control Unit User's Manual (Z930)
Safety output data
OFF
Contact with posi-
tive side of power
line
Output Output
ON OFF
Not de- Detecta-
tectable. ble.
Detecta- Detecta-
ble. ble.
4 Safety Control Unit Operation
ON OFF
OFF
Error Cause of error
detected removed
*1
OFF ON OFF
Flashing
OFF ON OFF
Error detection
*1
Short circuits in output wiring
Ground fault
Short cir-
cuit when
Output Output
both out-
ON OFF
puts are
ON
Detect- Not de- Not detect-
able. tecta- able.
ble.
Detect- Not de- Detecta-
able. tecta- ble.
ble.
Short cir-
Short cir-
cuit when
cuit when
one output
both out-
is ON and
puts are
the other is
OFF
OFF
Not detect- Detectable.
able.
Not detect- Detectable.
able.
4 - 39
4