9.7.3
Limit indication depending on (offset) to Setpoint
In operating modes as a controller (via
3.10
), two limit indicators can be carried out based on the set
target value (Setpoint) and measured actual value (on E1).
Offset Function
Following functions can be allocated to the limit indication
OFF
without function
1L
Indication with the centralized fault of a programmed relay (IO allocation
function
|
2K
|
) warning symbol in display,
“
AL
”
code in events memory.
2L
Is merely displayed in the events menu as message
“
msg
”
.
In the IO setup, a separate relay can be allocated independent of these settings.
Offset 1
Offset 1, Offset 2
Both values for Offset 1 and Offset 2 can be set independent of each other and act on
a relay together if correspondingly programmed. If a function is activated or if a relay is
allocated both settings (Offset 1 and Offset 2) are initially at
“
OFF
”
.
Work can be carried out with one as well as with both limit indicators.
“
Offset 1
”
for alarm in case of an exceeding of the max. deviation between actual and
target.
Switch ON point: actual value = Se/- offset
Swtich OFF point: Actual value by hysteresis under the switch-on point
“
Offset 2
”
for alarm in case of an undercutting of the max. deviation between actual and
target
Switch ON point: actual value = Se/- offset
Swtich OFF point: Actual value by hysteresis over the switch-on point
Offset 2
Offset Hyst.
Offset Hysteresis
Hysteresis switch-on point: In temperature regu / - 10 K, otherwise sensors 10
% of measurement range
Offset Del.
Offset Delay
Time delay until indication through relay and alarm symbol.
Setting range: 0 - 120 sec.
Factory setting: 2 sec.
Example for temperature regulation; for other modes of operation settings in corresponding sensor
unit.
Offset 1 for alarm during exceeding
10
12
14
16
18
20
22
24
26
28
30
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
[min]
[
°C
]
ON
ON
ON
ON = 15°C + 5 K = 20 °C
OFF = 20°C - 2 K = 18 °C
1
6
.0
3
.2
0
0
7
v
_
re
la
is
_
k
u
e
h
le
n
_
1
0
k
_
p
o
s
_
o
ff
s
e
t.
v
s
d
Example: Setpoint 15.0
°
C, 5.0 K, Hysteresis 2.0 K
Offset 2 for alarm during undercutting
10
12
14
16
18
20
22
24
26
28
30
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
[min]
[
°C
]
ON
OFF = 15°C + 2 K = 17 °C
ON = 20°C - 5K = 15 °C
ON
1
6
.0
3
.2
0
0
7
v
_
re
la
is
_
h
e
iz
e
n
_
9
k
_
n
e
g
_
o
ff
s
e
t.
v
s
d
Example: Setpoint 15.0
°
C, Offset -5.0 K, Hysteresis 2.0 K
Operating Instructions
Fcontrol
–
model series FKDM..-C
Programming
L-BAL-E057-GB 1304 Index 009
Part.-No. 00163327-GB
57/74
