CD Automation srl
CD3200-1PH from 15A to 110A
User’s Manual
33
11.4.1
Configurable Input (Terminals 1 and 2 see par. 7.4)
This digital input is configurable and can be:
•
External Calibration (Standard):
The Calibration input activates the Calibration procedure that is necessary if you use the Heater
break alarm (see par. 9.3). Supply with 24Vdc terminals 1-2 to start the Heater Break procedure.
•
External Enable:
Without Enable the out is always to zero and red led (SC) flashing, otherwise the out will follow the
input signal.
•
Feed-back Selection:
to switch the set Feed-back with the voltage Feed-back (V)
Without Digital Input the Unit use the voltage Feed-back, otherwise use the set Feed-back.
To configure the input type, set the jumper as below represented:
Warning:
this procedure can be done just by specialized personnel
Main PCB
Type J12
J6
J14
External Calibration
C-B
C-B
Open
External Enable
B-A
Open
Open
Feed-back Selection *
C-B
Open
Close
* With the Feed-back Selection open the jumper J15 on the Front PCB board
If you use the input like External Enable or like Feed-back Selection, is not possible use the
input for the Calibration Procedure
11.4.2
Reset (Terminals 3 and 4 see par. 7.4)
The Reset Alarm is used for restore the unit after an alarm occurs (see par. 9.2).
Open link to terminals 3-4 to stop the CD3200 thyristor unit and reset the alarm.
J12
C B A
J6
C B A
J14
