VICI DVSP - Manual (Page 9)

3.
SWITCH AND DISPLAY FUNCTIONS
1. Power ON/OFF: Turns the DVSP on and off.
2. Interval duration switches: Each interval has two thumbwheel switches for
setting the the interval duration, in increments determined by the setting of
the time unit switches.
3. Time unit switches: Under each pair of interval duration switches is a
three-position switch which defines the units in which the duration is set.
With this switch to the left the unit is minutes, so the two digits of the dura-
tion switches reflect a value from 00 to 99 minutes. In the middle position
the unit is tenths of a minute, with a range of 0.0 to 9.9 minutes. (In this
setting the elapsed time display shows a decimal point.) When the switch is
to the right the thumbwheel duration switches are setting seconds, in a
range from 00 to 99.
4. ADVance button: This will advance the DVSP into the next non-zero inter-
val. Everything functions as if the timer had reached its setting and ad-
vanced to the next interval on its own.
5. AUTO button: Pushing this button toggles the DVSP in and out of the AUTO
mode. In the AUTO mode (AUTO LED on), when a cycle is completed the
DVSP goes back to the first interval and starts another. In the SINGLE
CYCLE mode (AUTO LED off), the timer stops at the end of the last interval.
6. ReSeT button: Pressing this button sets the DVSP to the state it’s in when
first turned on: the timer is stopped and the DVSP is in the SINGLE CYCLE
mode. No interval is being addressed and no relays are energized.
7. RUN button: Pressing this button lights the RUN LED, starts the timer, and
moves the DVSP to the first interval not set to "00".
8. STOP button: This stops the timer and resets it to zero, but the DVSP
remains in the interval that was in progress and the output to the relays
stays the same. The RUN LED goes off.
9. Current interval lights: Between each time unit switch and interval number
is an LED which comes on when that interval is current.
10. Elapsed time readout: This digital display to the left of the VICI logo shows
the elapsed time in the interval which is running, indicated by which current
interval light is on. The display is in the value range selected by the three
position time unit switch for that interval. Whenever the timer is counting
minutes, the decimal light flashes at one second intervals.
3.1 Operating the DVSP by Remote Contact Closure
The DVSP can be wired so that the functions done by RUN, STOP, and AUTO
buttons can be done by remote contact closure. This involves soldering wires from
the control device to the appropriate pins on the logic board. (Figure 1) For the
RUN function, establish
momentary contact between pins 18 and 35 (+12). For
the STOP function, momentarily connect pins 17 and 35. Connecting pin 22 to pin
34 (ground) will toggle the DVSP in and out of the AUTO mode.
7