Omron NX-SIH400, Руководство пользователя

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NX-SO
£
So0
So1
IOG
IOG
NX-SO
£
So0
So1
IOG
IOG
L L L L
Types of Safety Output Functions
The types of safety output functions that are performed by the Safety Output Unit is shown below.
The safety output functions diagnose the outputs to the safety output terminals and the external device
wiring based on the safety output data from the safety program.
The execution results of the safety program are evaluated by the safety output functions and the eval-
uation results are output from the safety output terminals.
Safety Input Unit
Safety input data
Safety output data
Safety input
function
Safety output
function
Safety program
execution
Safety process
data
communications
Safety process
data
communications
Safety CPU Unit Safety Output Unit
Safety input terminals
Safety output terminals
Self-diagnosis
Test Pulse Evaluation With test pulse
Without test pulse
Dual channel equivalent
Make sure that the two outputs have
the same value.
Single channel
There is no redundancy.
Dual channel evaluation
Other Functions
I/O power supply monitoring
I/O power supply OFF circuit test
When safety output terminals are
used as dual channels, the two
outputs are checked for
consistency.
A pulse is output at a specific
interval to detect wiring errors in the
externally connected device.
This function monitors the voltage range of the I/O power supply to ensure the
operation of the internal circuits.
This function shuts OFF the I/O power supply and diagnoses the function that shuts
OFF the I/O power supply to see if it is operating correctly.
4 Safety Control Unit Operation
4 - 35
NX-series Safety Control Unit User's Manual (Z930)
4-3
Safety I/O Function
4
4-3-2
Safety Output Function