Siemens Simatic S7-1500 Manual - Page 37

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Siemens Simatic S7-1500 Manual
Structure of the additional interrupt information
Table 5- 4
Structure of USI = W#16#0001
Data block name
USI
(User Structure Identifier)
The channel that triggered the hardware interrupt follows.
Channel
It follows the error event that triggered the hardware interrupt.
Event
DI 32x24VDC HF digital input module (6ES7521-1BL00-0AB0)
Manual, 09/2016, A5E03485935-AF
Contents
W#16#0001
B#16#00 to B#16#1F
B#16#01
B#16#02
B#16#05
Comment
Additional interrupt info for hardware interrupts
of the I/O module
Number of the event-triggering channel (chan-
nel 0 to channel 31 of the module)
Rising edge
Falling edge
Comparison event occurred for DQ (only in
"Counting mode")
Interrupts/diagnostics alarms
5.2 Interrupts
Bytes
2
1
1
37