Mark V ProVis Injection System
14 - 2
CAUTION: The Remote Start Signal from the film
changer programmer (at pins 7 and 9 of J40), must
never contain voltage or AC noise. Any voltage applied
to these pins can damage the injector and void the war
-
ranty. Excessive AC noise on these lines may cause inter-
mittent problems of premature, or no injections.
CAUTION: The Remote Start Signal from the film
changer programmer must remain closed throughout
the duration of the injection. If the start signal is
removed before the injection volume limits when armed in
the SINGLE mode, the injection will stop, the unit will dis
-
arm, and display “PREMATURE TERMINATION” on the
Control Panel. If the start signal is removed before the
injection volume limits when armed in the MULTIple mode,
the injection will stop, the Mechanical Stop will reposition at
the selected volume, and the unit will remain armed. If a
start signal is received at this time, an additional injection
will result at the selected Flow Rate and Volume.
It is recommended that the remote start command remain
closed for approximately three additional seconds after the
calculated injection duration. This additional time should
allow completion of the injection in the event that the actual
injection duration is longer than the calculated duration.
(When the injector pressure limits, and/or a linear rise fac
-
tor is programmed, the calculated injection duration will
increase accordingly.)
CAUTION: When starting the injection process from a
remote location by the use of a relay closure in the film
changer programmer, always install a “panic button”
in series with the start signal. This function must be pro
-
vided in the event that the operator must immediately ter-
minate the injection. This button should be installed in a
convenient location, properly labeled, and instructions for
use provided to all users of the injection system.
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