Specifications

IP 252 Expansion IP 240
Note
Interrupt servicing is not disabled in the configuring FBs. You must therefore write
your STEP 5 program in such a way that the configuring FB cannot be interrupted.
Interrupt servicing is disabled in the restart OBs.
Technical Specifications
Block number : 173
Block name : STRU. 252
AG Library number
Call length/
Block length
CPU Processing time
1
S5-115U P71200-S 5173-D-2 5 words/
562 words
941-7UA...
942-7UA...
943-7UA...
944-7UA...
approx. 64 ms
approx
. 45 ms
approx
. 30 ms
approx
. 17 ms
941-7UB...
942-7UB...
943-7UB...
944-7UB...
approx. 29 ms
approx. 16 ms
Nesting depth : 0
Subordinate blocks : none
Assignment in data area : at data block specified with DBNR parameter up to
and including DW 24
Assignment in flag area : MB 240 to 255
System statements: yes
1
The specified processing times are for an FB call following an IP 240 firmware cycle without data interchange.
9-6 EWA 4NEB 811 6120-02a