44
Using the
analogue interface,
the unit can be controlled via an analogue (0/4-20 mA or
0-10V) signal. An analogue (0/4-20 mA or 0-10V) output signal is also available. The
schematic above describes the structure of the analogue input and output. Via the filter
constant in the menu point
analogue input
it is possible to smooth a noisy input signal.
Below is an example using the analogue input to provide a set-point, and the analogue
output gives the process temperature. The current / temperature configuration is also
shown.
E.g. required operating temperature range is 0°C to 100°C. 0°C should correspond to
4mA. 100°C to 20mA. The 4…20mA (I / O) is available on the analogue interface
connector. An alarm should be given when the cable breaks. The unit should be
switched off if there is an analogue error.
ANALOGUE-INTERFACE:
Config. input
Config. output
Go back
ANALOGUE OUTPUT:
AIF-Output - range
Cfg. input range
Adjustment
Reset AIF output
Show table values
Go back
SOURCE ANALOGUE OUT:
No output
Set-point
Internal temp.
Process temp.
Manual preset
Programmer
RS232 / 485
Pump Press. act.
Control Deviation
Go back
ADJUSTMENT:
Adj. current value
Enter in table
Go back
Adjustment of the current
measured value by input of the
reference value
WARNING:
Following Parameters are going
to be removed when resetting
the analogue interface
Measurement range
Adjustment
In / Output function
Temperature T2
Actual setting: -40,00
Max. setting 350,00
Min. setting -150.00
New value: : -40,0
Temperature T2
Actual setting -40,00
Max. setting 350,00
Min. setting -150.00
New value: -40,0
ESC
OK
ESC
OK
KEYB
KEYB
SHOW TABLE VALUES:
ref. val meas. val
P1 10485 10485
P2 52428 52428
OK
