KROHNE IFC 010 Converter EN - Manual (Page 60)

10/3
10.3 IFC 010 Signal converter
Versions
B - version
without display / control unit (basic version)
D - version with display / control unit
Add-on equipment (option) - CONFIG software and RS 232 adapter for control via
MS-DOS-PC, connection to IMoCom interface
- Hand-Held-Terminal for control of basic versions
- Other bus and computer interfaces on request
Current output
Function
- all operating data settable, galvanically isolated
Current 0 - 20 mA and 4 - 20 mA
Active output load max. 500 ohms
Passive output external voltage: 15 ... 20 V DC 20 ... 32 V DC
load: min. ... max. 0 ... 500
Ω
250 ... 750
Ω
Error identification 0 / 3.6 / 22 mA
Forward/reverse measurement direction identified via status output
Pulse output
Function
- all operating data settable
- galvanically isolated
- digital pulse division, interpulse period non-uniform,
therefore if frequency meters connected allow for minimum
counting interval:
gate time, totalizer
≥
Pulse rate for Q = 100 % 10, 100 or 1000 pulses per second (= Hz), fixed or optionally
adjustable in pulses per liter, m
3 or US gallons
(special version: up to 10 kHz scaling)
Active output: connection: electronic totalizer (EC)
internal voltage: approx. 15 V DC, from current output
load rating: I
max
< 23 mA when operated without current output
load rating: I
max
< 2 3 mA when operated with current output
Passive output: connection electromechanical (EMC) or electronic (EC)
totalizers
external voltage: U
ext
≤
30 V DC /
≤
24 V AC
load current: I
max
≤ 150 mA
Pulse width 50, 100, 200, 500 ms or 1 s,
selectable with frequencies below 10 Hz
Forward/reverse measurement direction identified via status output
Status output (passive)
Function
settable as indicator for flow direction, errors or trip point
Connection external voltage: U
ext.
≤
30 V DC /
≤
24 V AC
load current: I
max
≤
150 mA
Time constant 0.2 to 99.9 seconds, settable in increments of 0.1 second
Low-flow cutoff cutoff ”on” value: 1 to 19 % of Q
100%
, adjustable in
cutoff ”off” value: 2 to 20 % 1 % increments
Local display (D versions only) 3-line LCD
Display functions actual flowrate, forward, reverse and sum totalizers (7-digit)
or 25-character bar graph with percent display and
status messages
Display units: actual flowrate settable in liter/s, m 3 /h, US gallons/min or user-defined unit,
e.g. hectoliter/day or US million gallons/day
totalizers liter, m 3 or US gallons and 1 user-defined unit
(e.g. hectoliter), selectable overflow time
Language of plain texts English, German, French, others on request
Display: 1st (top) line 8-character, 7-segment numeral and sign display,
symbols for key acknowledgement
2nd (middle) line 10-character, 14-segment text display
3rd (bottom) line 6 markers t to identify display
}
1000
P
100%
[Hz]