KROHNE TIDALFLUX IFM 4110 PF EN - Manual (Page 44)

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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