Advanced Function
Fail-safe Function [DioFailSafe_i.vi]

VI for using the fail-safe function of remote type digital devices
You can check the status of the fail safe and reset it

 

Layout of IN/OUT terminal

 

IN terminal

Reset

Initial value: False

Specifies whether to reset if failsafe is activated

    True: Reset
    False: Do not reset

At reset, you can set any output state by setting PatternData

 

PatternData

Initial value: -

Specify output data when reset fail-safe

Specify a hexadecimal value from 0 to FF in units of ports (8 bits) in an array in the order of port numbers.

* For a device with a 4-bit output, the output data will be a value from 0 to F

* Output data to bits that are not set in the fail-safe output terminal will be invalid

 

OUT terminal

FailSafeStatus

Gets the failsafe operating status

    True: Failsafe activated state
    False: Normal state

 

Output to fail-safe output terminal by write VI

The output terminals used for the fail-safe function can be used in the same way as other output terminals under normal conditions,

You cannot output with the write VI while fail-safe is active.

Use this VI to reset and return to normal state.