Interrupts/diagnostic alarms
5.2 Interrupts
Digital input module DI 8x24VDC 4xM12 (6ES7141-5AF00-0BA0)
18 Manual, 02/2016, A5E36680963-AA
The following tables set out the meaning of the status and error displays. Remedial
measures for diagnostic alarms can be found in section Diagnostics alarms (Page 19).
Table 5- 1 Error display of the DIAG LED
No supply voltage 1L+
Flashes
• Module parameters not assigned
• Loading firmware
(while the firmware update is being performed, all LEDs retain their cur-
rent status)
Module parameters assigned and no module diagnostics
Module parameters assigned and module diagnostics
Table 5- 2 LED channel status display
Process signal = 0
Process signal = 1
The DI 8x24VDC 4xM12 digital input module supports diagnostic interrupts.
The digital input module generates a diagnostic interrupt at the following events:
● Short-circuit of encoder supply to ground
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