Analog Value Processing S5-115F Manual
Call and parameter assignment:
1 Values of the scaled range (UGR to OGR)
2 If bits F and BU are both=”1”, passivation of the relevant module has taken place. The passivation value is in the
value XA.
Parameter Meaning Type
Data
type
Assignment / Explanation STL
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BG
Module address
D KF
AI 460: 128 to 240 (16-byte grid)
AI 463: 128 to 248 (8-byte grid)
KN
Channel number
D KF
KY = 0 to 7 in AI 460
0 to 3 in AI 463
OGR
Upper limit of the
output value
D KF
D KF
-32768 to+32767
-32768 to+32767UGR
Lower limit of the
output value
DRAK
User-controlled
wire break
monitor
active
E BI
Set DRAK = ”1”
• if you want to implement wire
break monitoring according to
method in 6.5 and
• if the current analog value lies
outside the wire break limits.
ODGR
1
Wire break upper
limit
Only relevant if DRAK = 1
Enter the following here:
• The limits of the range within
which values are interpreted as
wire breaks
• - 32768 if you have configured a
global limit value for wire break in
DB1.
D KF
KFDUDGR
1
Wire break lower
limit
Passivation valuePASS KFD
When passivating of the module, the
safety-related passivation value is
written into the result word instead of
the AI value read in.
EINZ Selective sampling E BI
A ”1” initiates selective sampling
(only in the case of the AI 460)
DIR Direct access E BI Set DIR=”1” if direct access is desired
XA Output value A W
The scaled analog value is ”0” in the
event of a wire break
FB
2
Error bit A BI
Becomes ”1” in the event of a wire
break
BU
2
Overrange
A BI
Becomes ”1” if the accessed module is
currently executing selective sampling
TBIT
Activity bit of the
accessed module
A BI
Becomes ”1” if the analog input of one
or both subunits exceeds the nominal
range
TKON Time conflict A BI
Becomes ”1”
• if FB 250 accesses an analog input
which is currently being tested or
• if a discrepancy has resulted in the
case of direct access with
parameter DIR =1 and the output
value XA is assigned the last valid
value instead of the current value
XA, FB and BU are not updated. Only
the old values are available.
:IU FB 250
NAME :AGF: ANEI
BG :
KN :
OGR :
UGR :
DRAK :
ODGR :
UGDR :
PASS :
EINZ :
DIR :
XA :
FB :
BU :
TBIT :
TKON :
6-38
EWA 4NEB 811 6148-02
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