Siemens SIMATIC ET 200SP HA Equipment Manual - Page 26

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Siemens SIMATIC ET 200SP HA Equipment Manual
Displays and interrupts
7.3 Interrupts
Description
The I/O module generates a diagnostics interrupt for the following events:
• Channel/component temporarily unavailable
• Parameter assignment error
• Supply voltage missing
• Retentive memory in carrier module defective
• Retentive memory in the terminal block defective
• 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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RQ 4x120VDC-230VAC/5A CO HA
Equipment Manual, 07/2022, A5E39389042-AF