Interface Submodules
13-53
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
13.7.12 Diagnostics, Interrupts, and Submodule ID
Interrupt Request
The interface submodule supplies an interrupt request (IRQa).
You can define the assignment of the IRQa interrupt request to the relevant
processor interrupt request in the BIOS setup.
Diagnostic and Hardware Interrupts
If the interface submodule IF 961-AIO was assigned parameters for cyclic
conversion, you have the possibility of initiating hardware interrupts at the
end-of-cycle. It is also possible to initiate a diagnostic interrupt if a hardware
interrupt is lost.
Submodule ID
The IF 961-DIO interface submodule has the submodule ID 01
H
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