Interrupts/diagnostic alarms
5.2 Interrupts
IO-Link digital input module DI 16x24VDC 8xM12 (6ES7141-5AH00-0BL0)
18
Equipment Manual, 08/2021, A5E47926661-AB
Meaning of the LEDs
The following tables set out the meaning of the status and error displays. Corrective
measures for diagnostics alarms can be found in section Diagnostics alarms (Page 19).
DIAG LED
Table 5- 1
Error display of the DIAG LED
DIAG LED
Meaning
Off
No supply voltage 1L+
Flashes
•
No data exchange with the IO-Link master (e.g. wire break)
•
Firmware is loading
On
Module is currently exchanging data with the IO-Link master and no module
diagnostics
Flashes
Module is currently exchanging data with the IO-Link master and module
diagnostics
LED channel status
Table 5- 2
LED channel status display
LED channel status Meaning
Off
Process signal = 0
On
Process signal = 1
5.2
Interrupts
The DI 16x24VDC 8xM12 IO-Link digital input module supports diagnostic interrupts.
Diagnostic interrupt
The digital input module generates a diagnostic interrupt at the following events:
•
Short-circuit of encoder supply to ground
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