Specifications

C-6
IP 240
EWA 4NEB 811 6120-02b
The technical specifications for FC 171 and FC 172 are listed below:
FC 171 FC 172
Block number 171 172
Block name STRU_DOS STEU_DOS
Version 1.0 1.0
Space reserved in
load memory
2.148 bytes 1.628 bytes
Space reserved in
work memory
1.830 bytes 1.354 bytes
Space reserved in
data area
Data block specified in DBNR
parameter
Space reserved in lo-
cal data area
24 bytes 10 bytes
System functions
called
SFC 24
TEST_DB
SFC 36
MSK_FLT
SFC 37
DMSK_FLT
SFC 38
READ_ERR
SFC 47
WAIT
SFC 41
DIS_AIRT
SFC 42
EN_AIRT
SFC 47
WAIT
The processing times shown below apply for the CPU 416-1.
Module Function Processing Time
FC 171 12.2 ms
FC 172 Function 1 2.2 ms
Function 2 2.0 ms
Function 3 2.2 ms
Function 4 2.3 ms
Technical
Specifications
FC 171 and FC 172
Processing Times
IP 240 Counter, Position Decoder and Positioning Module