Interrupts - Siemens SIMATIC ET 200SP HA Equipment Manual

Displays and interrupts

7.3 Interrupts

7.3 Interrupts
Definition
A diagnostics interrupt is an alarm that reports activated events of a device status to the system
operator with the appropriate operating authorization (maintenance and service).
Description
The I/O module generates a diagnostics interrupt at the following events:
• Short-circuit to L+
• Short-circuit to ground
• Wire break
• Supply voltage missing
• Parameter assignment error
• Channel/component temporarily unavailable
• Retentive memory in carrier module defective
• Retentive memory in the terminal block defective
• Shutdown on button activation
• IO redundancy parameter assignment inconsistent
The I/O module generates a maintenance message for the following events:
• Redundancy partner has different hardware/firmware
• IO redundancy warning
• Retentive memory in carrier module defective
• Retentive memory in the terminal block defective
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DQ 16x24VDC/0.5A
Equipment Manual, 10/2021, A5E39265993-AD