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5.19
Limit switches
Fct. 1.07 – 1.10 Status outputs A1, A2, D1 and D2
(Define operating mode of output terminals A1, see sect. 5.18)
Press
→
key
Press
↑
key as often as required to set one of the status outputs to “TRIP. POINT”
Press
→
key to change to option flow direction:
Select:
•
+ DIR.
•
- DIR.
•
2 DIR.
Select with
↑
or
↓
keys, press
↵
key to confirm and to change to numerical setting, 1st number (cursor) flashes.
Change flashing number (cursor) with keys
↑
and
↓
. Use
←
and
→
keys to shift cursor 1 place to left or to right.
•
Display:
XXX – YYY
Setting ranges:
XXX
value: 0 – 150% of Q
100%
.
YYY
value: 0 – 150% of Q
100%
.
hysteresis
≥
1% (=difference between XXX and YYY values)
Switching behavior
(NO / NC contact) and hysteresis are adjustable
Normally Open (NO) contact
Normally Closed (NC) contact
XXX value > YYY value
XXX value < YYY value
Switch
closes
when flow
exceeds
XXX value
Switch
opens
when flow
exceeds
YYY
value
Example:
XXX = 55%
Example:
XXX = 45%
YYY = 45%
YYY = 55%
hysteresis = 10%
hysteresis = 10%
Please note:
If two status outputs (e.g. D1 and D2) are activated it is possible to
have e.g.
min. and max. values
signaled.
5.20
Range change
Automatic range change by status output
Fct. 1.07 – 1.10 Status outputs A1, A2, D1 and D2
(Define operating mode of output terminal A1, see Section 5.18)
Press
→
key
Press
↑
key as often as required to set one of the status outputs to automatic range change “AUTO. RNG.”.
Press
↵
key to change to numerical setting, 1st number (cursor) flashes.
Change flashing number (cursor) with keys
↑
and
↓
. Use
←
and
→
keys to shift cursor 1 place to left or to right.
Flashing numbers (cursor) can also be directly set with the 10-key keyboard.
Setting range:
5 – 80 PERCENT of Q
100%
(=low to high range ratio 1:20 to 1:1.25)
YYY XXX
hysteresis
45% 55%
Q
XXX YYY
hysteresis
45% 55%
Q
