KROHNE TIDALFLUX IFM 4110 PF EN - Manual (Page 70)

7.30830.32.00 70
Pulse outputs (passive) P A1
(also used as status output)
- for electronic totalizers - for electromechanical totalizers
- all operating data adjustable - all operating data adjustable
Terminals P / P A1 / A
⊥
Pulse rate 0 – 10 000 pulses per 0 – 50 pulses per
s [=Hz], min, hr, m
3
, Litre, etc., s [=Hz], min, hr, m
3
, Litre, etc.,
any scaling possible any scaling possible
Electrical data galvanically isolated galvanically isolated, not from A2
U
≤
32 V DC /
≤
24 V AC U
≤
32 V DC /
≤
24 V AC
I
≤
30 mA, any polarity I
≤
100 mA, any polarity
or U
≤
32 V DC, I
≤
200 mA,
observe polarity
Pulse width automatic: pulse duty factor 1:1, P
100%
[Pulse/s] = f
max
[Hz] = 1 / (2*pulse width)
digital pulse division, unequal pulse spacing, therefore comply with minimum counting
time when connecting frequency and cycle duration measuring instruments:
gating of totalizer
≥
1000
P
100%
[Hz]
Forward/reverse mode direction identified via status output
Status outputs (passive) D1 / D2 / A2 A1
(also used as a 2nd pulse output)
Function, adjustable for limit values limit values
direction of flow direction of flow
automatic range change automatic range change
error messages error messages
overranging overranging
empty tube (optional) empty tube (optional)
Terminals D1 / D
⊥
A1 / A
⊥
D2 / D
⊥
A2 / A
⊥
Note: D
⊥
common reference potential for D1 and D2
A
⊥
common reference potential for A1 and A2
Electrical data galvanically isolated galvanically isolated, not from A2
U
≤
32 V DC /
≤
24 V AC U
≤
32 V DC /
≤
24 V AC
I
≤
100 mA, any polarity I
≤
100 mA, any polarity
or U
≤
32 V DC, I
≤
200 mA,
observe polarity
Control inputs C1 and C2 (passive)
Function, adjustable for
range change, resetting of totalizer, resetting of errors, starting of selfcheck, setting
outputs to min.values or holding current output values.
Terminals C1 / C
⊥
and C2 / C
⊥
Note: C
⊥
is common reference potential for C1 and C2
Electrical data galvanically isolated
U = 8 –32 V DC, I
≤
10 mA, any polarity
Internal power supply for passive outputs/inputs and external receiver instruments
Terminals E+ and E-, observe polarity
Electrical data galvanically isolated
U = 24 V DC
R
i
= approx. 15
Ω
I
≤
100 mA
Time constant 0.2 – 99.9 s, adjustable in steps of 0.1 s
Low-flow cutoff (SMU) “ON” value : 1 – 19 % of Q
100%
, adjustable in steps of 1 %
“OFF” value : 2 – 20 % of Q
100%
, adjustable in steps of 1 %