Configuring Hardware and Communication Connections STEP 7.pdf

3.10.3 Programming DPV1 Devices
New Interrupt OBs for DPV1 Events
Configuring the Distributed I/O (DP)
DPV1 Slaves can trigger interrupts. You can use the respective OBs the S7 CPU
operating system provides up to now for Diagnostic/System/Extraction/Insertion
Interrupts.
New are the OBs for the following interrupts:
DPV1 Interrupt OB Explanation
Status Interrupt OB 55 A Status Interrupt can be triggered by the operating
state transition of a module, for example, from RUN
to STOP mode.
Refer to the respective DPV1 Slave manufacturer's
documentation for detailed information on events
that can trigger a Status Interrupt.
Update Interrupt OB 56 An Update Interrupt can be triggered after a slot
was reconfigured. For example, this might occur as
a result of local or remote access to the parameters.
Refer to the respective DPV1 Slave manufacturer's
documentation for detailed information on events
that can trigger an Update Interrupt.
Manufacturer Specific
Interrupt
OB 57 The event triggering a Manufacturer Specific
Interrupt can be specified by the manufacturer of a
DPV1 Slave
Configuring Hardware and Communication Connections with STEP 7
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