Siemens Simatic S5 IP 240 Manual page 161

Counter/positioning/position decoder module

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Table of Contents

IP 252 Expansion

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

Library number

P71200-S 5173-D-2

Nesting depth

Subordinate blocks

Assignment in data area

Assignment in flag area

System statements:

The specified processing times are for an FB call following an IP 240 firmware cycle without data interchange.

Call length/

Block length

: at data block specified with DBNR parameter up to

and including DW 24

: MB 240 to 255

Processing time

EWA 4NEB 811 6120-02a