4
INTRODUCTION
The
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D122 and T132 are capable of controlling all shutters in the
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line. The T132
incorporates two precise timers to control shutter exposure and delay interval. Each timer ranges from .1ms to
9999sec. Four digit pushwheel switches provide exceptional resolution for use in a multitude of shutter
applications, ranging from photography to holography. The D122 drives the shutter while relying on the users
input signal to determine exposure and frequency.
One feature of the T132 is the PRE or POST exposure delay. The PRE/POST toggle switch allows the user
to actuate the shutter immediately upon receipt of a trigger signal or delay the EXPOSURE for a
predetermined period. The period of the DELAY interval is determined from the front panel DELAY TIME
SELECT. The DELAY signal is provided to an output (BNC connector) for the DELAY interval.
In addition to the PRE/POST DELAY, the T132 can re-trigger itself continuously to provide a low-level
chopper control. In the CONT. mode the DELAY interval control acts as the recycle interval to determine the
exposure frequency. By using external control capability and this mode, exposure bursts can be controlled
using the T132 EXPOSURE and DELAY timers. Set the T132 into continuous mode and trigger the system
to begin cycling. By monitoring the pulse output the precise cutoff point can be determined and the unit can
be reset without interrupting the exposure cycle.
One feature of the D122 is the selection of interrupt mode. With the mode switch in the A position, the unit
will disable itself upon a AC line failure. When power is restored the unit will remain disabled until reset. In
the B position the unit will become disabled when a DC voltage level is removed from the interrupt input.
When the input is restored, the unit will remain disabled until reset. The STD mode will bypass the interrupt
capability. This mode selection makes the D122 more versatile for applications where the shutter must not re-
open until acted upon by the user.
The patented driver design of the D122 and T132 allows any
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shutter (including VS35) to be
operated to its maximum frequency as specified in the shutter data sheets.
Other features of the D122 and T132 include, automatic switching for 115VAC or 230VAC operation,
controllable via RS232 interface, normally open or normally closed operation, selectable pulse energy switch
for VS35 operation, convenient output for shutters equipped with electronic synchronization switch, and an
external reg5VDC supply (T132 only - +8VDC unregulated D122). A 10ft. 7-pin female to 7-pin
male shutter interconnect cable is also included with both units.
Enclosed is the complete operators manual for the
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T132, and D122. Please read this manual
completely before operating the unit. Due to the construction of these units, we recommend that they be
returned to the manufacturer for repair, no user serviceable parts inside.
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