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• By plugging the Model 781C-00 power supply into the switched AC outlet on the back of a stereo receiver,
a constant 12V DC is applied to the 599. The 599 generates a short pulse (+12V, 100 mSec) at its ON
terminal when it first sees +5 to +30V DC at its IN+ and IN– terminals (the stereo receiver is turned on).
• Similarly, it will generate a short pulse at its OFF terminal (+12V, 100 mSec) when the +5 to +30 volts drops
to 0 volts (the stereo receiver is turned off).
• This short pulse operation also permits momentary switches to be connected to other inputs on the 590
(such as inputs 1 and 2, as in Fig. 2). This allows additional system commands, other than those activated
by the 599, to be executed uninhibited.
Fig. 3 shows another example of how a DC control voltage is converted to momentary ON and OFF pulses
by the 599 Pulsed Switching Module.
• For instance, a special SPST sensing switch, as shown, could be mounted in the springs of an over-stuffed
chair.
• When someone sits down in the chair, the SPST switch is closed causing the 599 to trigger a sequence
of IR commands stored in the 590. The IR commands could cause the room lights to dim, the drapes to
close, and music to emanate from the speakers.
• When the chair is no longer occupied, the SPST switch opens, triggering another set of sequenced
commands. These, in turn, could cause the lights to brighten, the drapes to open & the music to turn off.
• Many other applications are possible, limited only by the imagination and needs of the installer and user.
--- IMPORTANT ---
• The 590 inputs that are to be activated by the 599 Pulsed Switching Module
must first
be programmed
with the necessary commands
before
connecting the 599.
• Do this by using the connections and procedures as previously mentioned.
• The 590
cannot
be programmed through the 599!
590-00 SPECIFICATIONS
• INPUTS: 16 Opto-Isolators connected via 16 screw terminal pairs, each in series with a 1k Ohm
resistor. Input voltage range, 5 to 30 Volts DC. All isolated - no common ground connec-
tions.
Drive current for each input is 11 mA at 12V DC.
12V DC is available on the 12VDC "+" and "–" screw terminals for driving inputs through
external switch closures.
• BANKS: Four. 16 commands per bank.
• IR OUT: 2 screw terminals marked "O" (output) and "G" (Gnd.). Same electrical
characteristics as Xantech IR Receivers and key pads.
• POWER IN: 12VDC, 300 mA. 2.1 mm coaxial jack, center positive. Uses Model 786-00 Power Supply
(included).
• MEMORY: 64k RAM. Lithium battery backup.
• IR CARRIER FREQUENCY: 21.74 kHz to 62.50 kHz learning bandwidth.
• Dimensions: 6 1/4" W x 2" H x 4" D
590-00
9-23-98