Siemens SIMATIC ET 200SP HA Equipment Manual page 26

Displays and interrupts
7.3 Interrupts
Description
The I/O module generates a diagnostics interrupt at the following events:
• Supply voltage L+ missing
• Parameter assignment error
• Channel/component temporarily unavailable
• Short-circuit to ground
• Retentive memory in carrier module defective
• Retentive memory in the terminal block defective
• Module is faulty
• Shutdown on button activation
The I/O module generates a maintenance message for the following events:
• Retentive memory in carrier module defective
• Retentive memory in the terminal block defective
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DQ 32x24VDC/0.5A HA
Equipment Manual, 08/2019, A5E48262762-AB