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8 FUNCTIONS
8.6 Output Diagnostic
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8
8.6
Output Diagnostic
The output diagnosis function is a safety function for determining failure of output signals using the safety output function.
Output dark test function
Outputs test pulses to turn off the external output signals (Y0 to Y7) that are on and diagnoses the internal circuit for failure.
The read-back circuit checks the test pulse and output circuit fixing can be detected. The OFF time of test pulses and the
number of pulse outputs used in one diagnostic can be set depending on the usage environment.
Operation at error detection
When the safety remote I/O module detects an error in a diagnostic of the output dark test, the output dark test error (error
code: 0107H) state is applied and all output points are turned off. For details on the error state, refer to the following.
Page 118 Error codes related to the safety remote I/O module
(1) External power supply
(2) Safety remote I/O module
(3) Output circuit
(4) Read-back circuit
(5) Test pulse
(6) Load
MC
MC
Y1
Y0
COM-
IO24G
IO24V
(6)
(6)
(1)
(2)
(3)
(5)
(5)
(4)
Содержание CC-Link IE-NZ2GNSS2-16DTE
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