Limit switch programming simplicity is a PressCam 8 feature.
The PressCam 8 crank angle position is generated by a heavy duty
industrial resolver driven by the press crank shaft.
The PressCam 8 provides
the user with eleven programmable limit switch outputs used to initiate
various peripheral equipment. These outputs can be programmed to
turn on and off up to three times per press cycle.
The programmable limit
switch outputs may be mechanical relay, solid state AC, or solid
state DC. The solid state relays may be mixed on the same relay
board.
The delay and hold cycle
feature provides control for lubrication systems, scrap choppers,
etc. This provides you signals when you need events to occur on
a pre-programmed intermittent (time) or multiple stroke basis.
Limit switches 1 –
7 can be programmed to turn ON and OFF up to three times per press
cycle. Limit switches 8 – 11 can be programmed to turn ON and
OFF up to two times per press cycle or may be programmed to turn
ON based on angle and OFF based on time. The timed outputs can be
programmed from .001 to 10 seconds. Furthermore, these switches
may be used with the delay and hold cycle feature which provides
control for items that need not be initiated on every press cycle
but a programmed number of press cycles. Or they can be held ON
for a pre-programmed number of press cycles.
A minimum and maximum
speed limits setting can be used to monitor optimum running speed
versus actual. A deviation outside the programmed parameters
will initiate a stop signal.
The system includes a
true motion detection system that monitors the press cycle. If you
tell the press cycle and it fails to move within the pre-programmed
time (.001 to 4 seconds) a fault signal is issued. On the opposite
side, if the press starts to cycle without initiation, a fault signal
is issued to electrically disconnect all signals.
The clutch/brake timing
signals can also be password protected from inadvertent tampering
by unauthorized personnel.
