Migration of the IM 151/CPU
D-4
ET 200S Interface Module IM 151/CPU
A5E00058783-01
Porting with Packed Addresses
If FBs with packed I/O addresses are copied to the IM 151/CPU, the packed
addresses there can no longer be assigned to the I/Os of the I/O modules locally
because the CPU of the IM 151/CPU cannot work with packed addresses. This
requires rewiring of the corresponding FBs. Rewiring corresponds to ”unpacking”
the addresses.
I1.0
I1.1
I1.2
I1.3
O1.0
O1.1
DI_1_module
DI_2_module
Figure D-2 Example: FB with Packed Addresses
Rewiring
The following blocks and address IDs can be reassigned:
Inputs, outputs
Memory markers, timers, counters
Functions, function blocks
Proceed as follows to rewire the signals:
1. In SIMATIC Manager, select the “Blocks” folder, which contains the blocks with
the packed addresses that you want to port to the IM 151/CPU.
2. Choose Options Rewire.
3. Enter the desired replacements in the displayed “Rewiring” dialog box in the
table (old address ID/new address ID).
Table D-2 Example: Replacements under Options Rewire
Old Address ID New Address ID
1 I 1.2 I 2.0
2 I 1.3 I 2.1
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