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4. Brief instruction
1. Make sure, that the unit ist powered off. (Main switch at the back side)
2. Connect the
3.
the unit on at the back side.
Power up
4. Connect the required
5. The parameter "Valve" should be selected by power on
6. If not, activate the parameter "Valve" by pressing the push button "Step".
7. Select the circuit logic according the table (see 7. „Supported valves") with the push
button "Set"
8. Select parameter "Range" with the push button "Step"
9. Select the value for the range with "Set"
10. Select "Feedback" with "Step"
11. Select display of either absolute or per cent values
12. Select "Feedback" range with "Step"
13. Set the feedback parameter using the „Set" key as appropriate for the selected
valve.
14. Select "Value" with the key "Step"
15. Switch over between absolute and per cent values with "Set" for displaying the
setpoint
16. Check / adjust the set point at the potentiometer
17. Activate the push button "Enable" to power up the valve. The red LED will light up
immediately, but the output is increased at an internal ramp of 1 s up to the set
point.
18. Change the set point at the potentiometer to move the valve
19. To switch off the valve, you push the button "Enable" again. The red LED turns off
and the output is ramped down to zero within 2 s. After that the relays for the output
will be disconnected.
While the output is activated, no changes at the general settings can be done.
The 24 V switching output (3-pole output socket) is independent of the above settings. It is
switched on or off exclusively by means of the associated "
to power (Supply voltage 230 or 115 V
main plug
extensions
Valve Control 2a (VC2a), Rev. 1.3
to the appropriate output sockets
)
AC
key.
Enable"
Page 7 / 13
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