Technical data

Table Of Contents
SFBs for Compact CPUs
System Software for S7-300/400 System and Standard Functions - Volume 2/2
28-16
A5E00739858-01
Parameter Declaration Data
type
Address
(Instance
DB)
Range of
values
Default Description
ERR
OUTPUT
WORD 22 Every bit
"0" or "1":
0 External error:
Bit2: Zero mark
monitoring
Bit11: Travel
range
monitoring
(always 1)
Bit12:
Operating
range
monitoring
Bit12: Actual
value
monitoring
Bit12: Target
position
monitoring
Bit15: Target
position
monitoring.
The remaining
bits are
reserved
ST_ENBLD
OUTPUT BOOL 24.0 TRUE/FALSE TRUE The CPU
enables the if
all the following
conditions
apply:
no STOP
pending
(STOP =
FALSE)
no external
error
pending
(ERR = 0)
drive
enable is
set
(DRV_EN
= TRUE
no
positioning
run active
(WORKIN
G =
FALSE)
ERROR
OUTPUT BOOL 24.1 TRUE/FALSE FALSE Error when
starting
/resuming a run
STATUS
OUTPUT
WORD
26.0 W#16#0000 to
W#16#FFFF
W#16#0000 Error number