
Changing IM 151-7 CPU (6ES7 151-7Ax00..) to IM 151-7 CPU (6ES7 151-7AA10-0AB0)
11-5
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
New functionality of the IM 151-7 CPU (6ES7 151-7AA10-0AB0)
Coexistent MPI/DP interface (active/passive) (see Section 8.5)
DP master interface in combination with the DP master module (see
Chapters 6.1 and 8.5)
New memory concept (see Section 8.4)
Global data communication (see Section 8.8)
This utility is used to enable the cyclic exchange of global data between
SIMATIC S7-CPUs (and therefore also the IM 151-7 CPU).
S7 basic communication (see Section 8.8)
This utility is used to enable data exchange between the IM 151-7 CPU and
communications-capable SIMATIC modules within an S7 station. The SFCs 65
to 74 are provided to support this.
MMC up to 8 MBytes (see Section 8.3)
Data storage (see Section 8.4.4)
The data is stored on an MMC and then downloaded back to the CPU using the
SFCs 82 to 84.
Storage of the STEP 7 project on an MMC (see Section 8.4.5)
New SFBs
The SFBs 52 to 54 and SFB 75 to IEC 61784-1 are supported.
32-bit run-time meter
The meter is operated using the SFC 101.
Routing (with DM master module)
Non-retentive DBs (created using SFC 82 or in STEP 7) (see Chapter 8.4.1)
Master functionality of the IM 151-7 CPU with the DP master module
Activation/deactivation of DP slaves via the SFC 12
Slaves that were deactivated via the SFC 12 are automatically activated in a
restart for the IM 151-7 CPU (transition from STOP to RUN).
Interrupt events from the distributed I/O while the CPU is in STOP mode
Due to the new DPV1 functionalities (IEC 61784-1:2002 Ed1 CP 3/1), how
incoming interrupt events from the distributed I/O while the CPU is in STOP mode
are handled also changes.
In IM 151-7 CPU, an interrupt event (process, diagnostic interrupt, new DPV1
interrupt) from the distributed I/O while the CPU is in STOP mode is already
acknowledged and, if applicable, entered in the diagnostic buffer (diagnostic
interrupt only). In the subsequent change of the CPU into RUN mode, the interrupt
is no longer processed via the corresponding OB. Possible faults in slaves can be
read out via corresponding SZL information (e.g. SZL 0x692 read out via SFC 51).
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