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Pulsed Switching Module
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1. PULSED SWITCHING o n MODULE O Plug into the Oey o aOR eeoa e AV System s M aris IN U S A Relay Switched AC Coil 6 VDC 20 mA Outlet 781RG 20 mA 1N4001 Back EMF Diode see CAUTION above Power Supply To 120 VAC unswitched Fig 4 Driving a Relay For a Momentary Dry Closure e The DC control voltage may be a power supply adapter connected to the switched outlet of an AV receiver as illustrated or any other 4 to 12 VDC controlling source e The two 1N4148 signal type diodes provide isolation between the ON amp OFF outputs yet combine them so that a momentary pulse drives the relay for both the On and Off transitions e CAUTION A 1N4001 diode or equivelant must be connected in parallel with the relay coil as shown This prevents high relay coil back EMF from damaging the 599 00 during switching transients DC On Off to Momentary On Off Some preamps or A V control centers have a 0 to 12 VDC output control port for the express purpose of turning a companion amplifier with a non momentary DC control voltage port On and Off However some amplifiers or other devices have a control port that requires a momentary pulse to trigger the On Off condition The 599 00 is an ideal module for making this conversion Fig 5 illustrates how this is done e The non momentary DC control voltage from the preamp or other controller is connected to the IN and IN terminals as shown From a System s 4 to To an ampl
2. lt e For instance a special SPST ca anteo sensing switch as shown could l ied dane ae be mounted in the springs of an Fig 3 SPST Sensing Switch Application manner as in Fig 2 over stuffed chair e When someone sits down in the chair the SPST switch closes causing the 599 00 to trigger a sequence of IR commands stored in the 590 The IR commands for instance could cause the room lights to dim the drapes to close and music to emanate from the speakers 599 00 Eo 7 PULSED SWITCHING a qolin Monue n GND ann eS XONCC Ch 509 00 e 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 and the music to turn off e Many other scenarios are possible limited only by the imagination and needs of the installer and user Driving a Relay There are times when you may wantto drive a relay directly from the ON OFF outputs of the 599 00 to trigger a device such as a power amplifier drape pulls screen drops etc devices that require amomentary dry switch closure Fig 4 illustrates how this can be done To device requiring a momentary dry switch 1N4148 closure for activation 786 00 Power Supply Isolation Diodes Most 5 to 12 VDC unregulated see text power supplies will work P Ei V1 mt IN 599 00 OFF N O
3. e Terminals Screw type handle wire sizes from 24 to 14 gauge e Mounting Flanges plus supplied screws permit easy mounting to flat surfaces e Dimensions 4 1 4 x 1 7 8 x 1 108mm x 48mm x 26mm INSTALLATION Using the 599 00 to Provide Momentary Inputs for the Model 590 Programmable Controller The 590 Controller was designed to be used with momentary contact switches In such applications a button is pressed the 590 outputs an IR command and the button is released If the button is not released the 590 will either continue to repeat the same IR command or send no signal at all after the initial burst As long as one key is pressed subsequent actions will be locked out the other keys inputs will not respond The 599 00 overcomes this allowing a system to respond to some change or function in an audio video system triggered by automated actions e For example if an A V Receiver is turned ON manually an IR command sequence can be made to turn a DVD player ON and activate PLAY at the same time ee XC es M e When the AM FM receiver is turned OFF manually an IR command can also STOP the DVD player and turn it OFF To do this the presence or absence of a constant ON and OFF DC voltage must be converted to momentary pulses to properly operate the Model 590 This can be done by using the Model 599 00 connected as shown in Fig 2 By plugging the Model 786 00 power supply into the switched AC outlet on the back of an A
4. Sees INSTALLATION INSTRUCTIONS 599 00 PULSED SWITCHING MODULE The 599 00 generates momentary pulsed outputs in response to an On Off switched DC input voltage The pulsed outputs 100 milliseconds in duration are triggered during the On and Off transitions of the DC input voltage The 599 00 was developed primarily to provide momentary inputs for the Model 590 00 Programmable Controller when working with long term DC control voltages It will work however in any application requiring a pulsed output from a switched DC input 599 00 oFF PULSED SWITCHING MODULE on O ao oof t2v xantec SYLMAR CA MADE IN U S A Fig 1 The 599 00 Tee SPECIFICATIONS e Input Control Voltage amp Current at IN amp IN Terminals 4 to 12 Volts DC 1 mA Volt e Min Input Turn ON amp OFF Voltage 2 5 Volts DC e Red LED lights with presence of voltage at the IN amp IN terminals 1 4 V or more Input Terminals IN amp IN are Opto lsolated for floated input applications e Pulsed Output 100 mS Voltage amp Current at ON amp OFF Terminals 12 Volts Peak 1 mA 9 Volts Peak 12 mA 6 Volts Peak 25 mA 3 Volts Peak 30 mA e ON Terminal see Fig 6 Goes active High during Input On transition at the IN amp IN terminals e OFF Terminal see Fig 6 Goes active High during Input OFF transition at the IN amp IN terminals e Power Requirements 12 VDC 30 mA
5. V Receiver a constant 12 VDC is applied to the 599 00 when the Receiver is powered ON The 599 00 generates a short pulse 12V 100 mSec at its ON terminal when it first sees 4 to 12V DC at its IN and IN terminals Similarly it will generate a short pulse at its OFF terminal 12V 100 mSec when the 4 to 12 volts drops to O volts the A V Receiver is turned off Refer to Fig 6 This short pulse operation therefore permits momentary switches connected to other inputs on the 590 such as inputs 1 and 2 as in Fig 2 to execute other system commands uninhibited Plug into the Switched AC oe Power Supply i Most 5 to 12 V DC ovma ee IN U S A A V Receiver unregulated power supplies will work DDDODDDDDDDDDODE RES DEL SEQ PGM Log 7 OOO E Bee H 1234 12345678 9 01 12131415160 G 20 BANK EEE E eee Be Momentary OAN wer ik Switches for K Ground or other system devices return wires GND To Emitters O 789 E on other P eae system yt 9 To 120 VAC ee devices ee 38 elo unswitched Fig 2 Using a 599 00 to Trigger the RBS pa 786 00 Power Inputs on a 590 Programmable 283M J g pa Controller Blink IR Emitter IR from other sources such as IR Rec rs Keypads etc Using a Sensing Switch Fig 3 shows another example of how a DC control voltage is con OFF lt gt ON verted to momentary ONand OFF spsT Sensing pulses men re 12V 12V
6. ifier or other 12 VDC non momentary 1N4148 device requiring a control voltage output Bea momentary trigger pulse for power On Off or gt other type of activation 599 00 orr EHH PULSED SWITCHING C WIN MODULE ON Oy D GND anD O va O 3 i sae xantech SYLMAR CA MADE IN U S A 781RG Fig 5 DC On Off to a Momentary Power Supply Pulsed On Off Trigger To 120 VAC unswitched M oooO XO es e The required momentary trigger pulses from the ON OFF terminals is connected to the device s triggered input terminals e As in Fig 4 the two 1N4148 signal type diodes provide isolation between the ON amp OFF outputs yet combine them so that there is a momentary pulse for both the On and Off transitions e The 599 00 will drive any input that will work with the voltage and current values given for the Pulsed Output ON amp OFF terminals listed under SPECIFICATIONS System lt System ON Interval gt OFF 4 12V pre nn eee eee Red LED INPUT ONGIA fe ON OFF non momentary OV LS Transition Transition 2 5 V 2 5 V 12 V OUTPUT 1 mA 100 mSec gt lt momentary ou el eee ee Gee ON OFF SPECIFICATIONS Terminal Terminal Fig 6 Operation Timing Diagram 4 13 00 eS XONCC Ch a 599 00
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