Mitsubishi Electric NZ2GFSS2 32D S1 User Manual page 105

Setting method
Set the following parameters for the input dark test function.
There is a mutual relation of the parameter values of the input response time and input dark test. When setting
parameters, set values that meet the mutual relation. For details, refer to the following.
Page 88 Relation of the parameters for the input response time and input dark test
■Input dark test execution setting
Set whether to perform the input dark test or not in "Input dark test execution setting" from the "Parameter Processing of
Device Station" window of the engineering tool.
For the procedure to display the "Parameter Processing of Device Station" window, refer to the following.
Page 72 Parameter Settings
Item
Input dark test execution setting X
• When "Wiring selection of input" Xn (n: even number) is set to "1: Double wiring (NC/NC)", set the same
value for Xn and Xn+1, the partner of Xn.
• When "Wiring selection of input" X is set to "0: Not used", the points that are set to "0: Not used" ignore
this setting value.
■Input dark test pulse OFF time
Set the input dark test pulse OFF time in "Input dark test pulse OFF time" from the "Parameter Processing of Device Station"
window of the engineering tool.
For the procedure to display the "Parameter Processing of Device Station" window, refer to the following.
Page 72 Parameter Settings
Item
Input dark test pulse OFF time
Adjust the input dark test pulse OFF time depending on the installation environment or wiring length.
■Number of pulse output for input dark test
Set the number of input dark test pulse outputs in "Number of pulse output for input dark test" from the "Parameter Processing
of Device Station" window of the engineering tool.
For the procedure to display the "Parameter Processing of Device Station" window, refer to the following.
Page 72 Parameter Settings
Item
Number of pulse output for input dark test
Adjust the number of input dark test pulse outputs depending on the installation environment or wiring length.
Setting range
0: Perform
1: Do not perform
Setting range
0: 400s
1: 1ms
2: 2ms
Setting range
0: 1 time
1: 2 times
2: 3 times
8 FUNCTIONS
8.3 Input Diagnostic Function
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