Dip Switches For Relay Allocation; Commissioning - Resol VBus/PWM Manual

By means of the two-pole jumper slot to the left of the
DIP switches, the PWM signal generated can be inverted.
Jumper not connected : PWM 100-0
Jumper connected :
Changing the factory setting:
Î To disconnect the jumper, take it off its initial position
and relocate it onto only one of the pins.
The 0-10 V signal is not affected by the signal inversion.
The minimum pump speed is 30 %.
Note
Whenever the pump is switched on, it will be run at
100 % speed for a few seconds before the flexible
pump speed control is effected.

6. DIP switches for relay allocation

The adjusted relay transmits information on pump speed
which is then converted into a corresponding signal. The
relay is selected by means of the DIP switches. Each relay is
characterised by a certain position of the switches.
Relay 1 is selected by default.
Î Put the DIP switches in the position appropriate for
the desired relay.
For the position of the DIP switches for each relay, see
p. 42.
16
PWM 0-100 (factory setting)

7. Commissioning

The VBus /PWM interface adapter is equipped with a
®
7-segment LED display that can indicate the selected relay
or the current operational status.
Initialisation phase
When the interface adapter is connected to a controller
for the first time, a short initialisation phase will be run.
During this phase, the LED display flashes first the error
code f, then the error code u until the controller con-
nected has been recognised. After a short time, the address
of the selected relay will be indicated.
If the error codes do not disappear or if an a is indicated
instead of the relay address.
Indication of the selected relay
The relay addressed via the DIP switches is displayed by the
7-segment-LED at the front of the adapter.