14
D122 REAR PANEL OPERATOR CONTROLS
(Refer to Figure #2)
10. PULSE O/C INPUT. Allows for PULSED OPEN/PULSED CLOSED shutter operation. Sets shutter
open on first falling edge. Closes shutter on next falling edge.
11. PULSE OUTPUT. Active-low output. The duration of the low pulse is equal to the duration of the
shutter exposure pulse. This output can be used for daisy chaining D122 units together.
12. RESET INPUT. BNC Active-low input. Resets D122 disabled by interrupt (mode A or mode B) when
switched to ground by external low level logic or simply shorting to ground through a switch contact. A
low level input also returns shutter to position determined by the N.O/N.C. switch.
13. PULSE INPUT. Active-low input. Control of shutter exposure and frequency from a low going signal
source. The pulse duration determines the shutter exposure. The frequency of this input pulse will be
equal to the frequency of shutter exposures.
14. SYNC. OUTPUT. Active-low output for shutters equipped with Solid State Sync. system. The
shutter's internal sync. circuit sets a low output at this BNC connector when the shutter's sync. system is
active.
15. HIGH/LOW Switch. Pulse energy toggle switch. Switch to HIGH position for operation of VS35
shutters only. Use STD position for all other
UNIBLITZ
shutters.
16. SHUTTER. 7-Pin female connector to mate with 7-pin male connector of 10' shutter interconnect
cable provided with the control.
17. 115VAC/230VAC. Line voltage connector. Mates with female plug on line cord provided with D122.
See SPECIFICATIONS for additional information.
18. LINE FUSE. Replace with 3AG 1/2 amp slo-blo fuse. When operating on 230VAC replace line fuse
with 1/4 amp SB.
19. SHUTTER FUSE. Replace with 3AG 1/2 amp slo-blo fuse.
20. RS-232C. DB-9 female connector. Provides access to D122 RS-232C interface, allowing the user to
control the D122 via an RS-232C serial input port. See INPUT SPECIFICATIONS section for more
information.
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