Siemens SIMATIC S5 ET 200U Manual page 216

Analog Value Processing
Block FB72 reads in analog values and pre–processes them for function
block FB250 (analog value reading and scaling).
NAME
0005
0006
0007
0008
0009
000A
000B
000C
000D
000E
000F
0010
0011
0012
0013
0014
0015
0016
0017
0018
0019
001A
001B
7-24
:READ 466
:
:L IW 72
:T FW 72
:L IW 74
:T FW 74
:
:L FY 72
:SLW 6
:T IW 72
:
:L FY 73
:SLW 6
:T IW 74
:
:L FY 74
:SLW 6
:T IW 76
:
:L FY 75
:SLW 6
:T IW 78
:
:BE
Explanation
READ IN ALL CHANNELS
OF AI 466
READ ALL FOUR CHANNELS
AND REARRANGE
PROCESS EACH ANALOG VALUE AND
REWRITE IT IN THE PII SO THAT
FB250 CAN ACCESS IT WITHIN THAT
SCAN.
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b