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Description of the Relay Outputs
Please ensure that the outputs are volt-free.
AV desalination valve
Connect the desalination valve (solenoid or motor valve) to this relay output.
The idle position of the relay is the same in the case of a currentless controller and in the operating position: Contact to
terminals 10-11.
Set the time for desalination under menu option
"M"
º
BASIC PROGRAM
º
PROGRAM VALUES
º
DESALINATION
º
Desalination time
.
DO dosing output
Connect a dosing pump at this relay output (solenoid or motor dosing pump).
The idle position of the relay is the same in the case of a currentless controller and in the operating position: Contact to
terminals 13-14.
Set the time for the dosing impulse under menu option
"M"
º
BASIC PROGRAM
º
PROGRAM VALUES
º
DOSING
º
Impulse Duration
.
Set the impulse ratio, for which quantity of water dosing should be carried out, under menu option
"M"
º
BASIC PROGRAM
º
PROGRAM VALUES
º
DOSING
º
Litre/Impulse
.
Example:
A one second impulse should be provided per 50 litres:
Litre/Impulse = 50.0, Impulse = 1.0sec
Alternatively, the output can emit a certain number of impulses with a settable impulse pause and duration for the
measured quantity of water.
Set the number of impulses under menu option
"M"
º
BASIC PROGRAM
º
PROGRAM VALUES
º
DOSING
º
No. of Impulses
.
Example:
4 one second impulses with a 3 second pause should be provided per 50 litres.
Litre/Impulse = 50.0, Impulse duration = 1.0sec, Impulse pause = 3.0sec, No. of impulses = 4
Note!
The impulse ratio in litres/impulse should not be less than the basic number of the water meter.
EV input valve
This output is not available if you have programmed the “Draining” function !
Connect the input valve (solenoid or motor valve) for shutting off the supply to this relay output.
Set the time (time and weekday) and the duration for draining the system under the menu option
"M"
º
BASIC PROGRAM
º
PROGRAM VALUES
º
OUTPUT AL/EV
.
AL error message output ("Alarm")
This output is not available, if you have programmed the “Draining“ function !
Output "AL" is a volt-free change-over relay contact. During trouble-free operation, the contact between terminals 16 - 18
is closed and the one between terminals 16 - 17 is open. During voltage loss or if an error occurs, the contact between
terminals 16 - 17 is closed and the one between terminals 16 - 18 is open.
Output "AL" remains activated (terminals 16 - 17 closed) until the error ceases or until it is confirmed via the “Alarm” key.
- An error is displayed via the red LED "Error message" and on the display.
- The error message signal at output "AL" is deleted after confirming the error via the "Alarm" key.
- The error display can only be deleted once the error has been eliminated.
The following errors activate output "AL" and are displayed if the plant has been equipped with the appropriate contacts:
