Interrupts/diagnostic alarms
14.2 Interrupts
Analog input module AI Energy Meter 480VAC/CT HF (6ES7134-6PA00-0CU0)
110 Manual, 07/2018, A5E42674880-AA
Table 14- 4 Meaning of the PWR LED
Line voltage missing
Line voltage available
The analog input module AI Energy Meter HF supports hardware and diagnostic interrupts.
Hardware interrupts
Hardware interrupts
The module generates a hardware interrupt at the following events:
● Violation of low limit 1 to 16
● Violation of high limit 1 to 16
You can find detailed information on the event in the hardware interrupt organization block
with the "RALARM" (read additional interrupt information) instruction and in the STEP 7
online help.
The module channel that triggered the hardware interrupt is entered in the start information
of the organization block. The following figure shows the assignment of the local data double
word 8 by the start information of the hardware interrupt organization block.
Figure 14-2 Start information of the organization block
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