User Manual

98
10.3 MFC 085 Signal Converter
Measured quantities and units
Mass flowrate
Total mass (or total volume)
Density
Volumetric flowrate
Temperature
Option
g, kg, t, oz, lb
per
second, minute, hour, day
g, kg, t, oz, lb (or cm
3
, dm
3
, m
3
, liter, in
3
, ft
3
, imp. or US gallons)
g, kg, t
per
cm
3
, dm
3
, m
3
, liter
or
oz, lb
per
in
3
, ft
3
, imp. or US gall
specific gravity, referred density, fixed density
cm
3
, dm
3
, liter, m
3
, in
3
, ft
3
, imp. or US gall
per
sec, min, hour, day
°
C or
°
F
sugar concentration in
°
Brix or Baumé, mass or volume concentration,
caustic soda concentrate
Programmable functions
display format, physical units, current, pulse and status outputs, low-
flow cutoff, time constant, primary constant, lower/upper range
limits, forward/reverse measurement, standby, zero and reset of
total mass
Current output
For input/output Connections, see table below.
Function
–
All operating data adjustable
–
galvanically isolated only from mains, CPU, etc. not from other
outputs
Current 0 - 20 mA or 4 - 20 mA
Load
≤
500 ohms
Linearity
≤
0.2% of measured value in range of 2 - 20 mA
≤
0.02% of full scale deflection in range of 0 - 2 mA
Pulse output
If fitted
see “inputs and outputs / versions” above
Function
–
all operating data adjustable
–
open collector
–
galvanically isolated only from mains, CPU, etc. not from other
outputs
Pulse rate
Amplitude
Load rating
External voltage
up to 1300 Hz
max. 24 V
≤
150 mA
≤
24 V DC
Status output
If fitted
–
all operating data adjustable
–
galvanically isolated only from mains, CPU, etc. not from other
outputs
Function status, limit value, direction identification
Voltage
Load rating
max. 24 V, also suitable as voltage source for the pulse output
short-circuit-proof. Voltage limiting initiated at > 20 mA.
Control input
If fitted
Function
–
programmable for totalizer reset, zero point, status
acknowledgement or changeover standby
←→
measuring
mode
–
galvanically isolated via optocoupler
–
active “high” or “low”
Control signals high: 4 - 24 V
low: 0 - 2 V
input current: 0.2 mA