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Summary of Contents for DRS-1A

Page 1: ...www SteamPoweredRadio Com MODEL DRS lA DIGITAL REMOTE CONTROL SYSTEM with ADDENDUM A STATUS SUBSYSTEM...

Page 2: ...I I I I I I I I I I I I I I INSTRUCTION MANUAL MODEL DRS lA DIGITAL REMOTE CONTROL SYSTEM with ADDENDUM A STATUS SUBSYSTEM MOSELEY ASSOCIATES INC Santa Barbara Research Park 111 Castilian Drive Goleta...

Page 3: ...D Equipment Location 14 E Studio Transmitter Interconnections 14 F Functional Test Procedure 18 G Metering 24 H Control 28 I Fail Safe Connections 32 J Miscellaneous Connections 34 K Calibration 36 V...

Page 4: ...ol FSK Demodulator 11 Telemetry Phase Shift Modulator D Selector Unit 1 Channel Decoder Drivers 2 Metering 3 Control E Subcarrier Generator F Subcarrier Demodulator VII ADJUSTMENTS A Control FSK Modul...

Page 5: ...I I I I I I APPENDIX A DIGITAL LOGIC FUNDAMENTALS 1 AND Gate 2 11 NAND11 Gate 3 Latches 4 Counters 5 Parallel and Serial Data Representations 6 Universal Asynchronous Receiver Transmitter 7 Timing an...

Page 6: ...DLS 1 Digital Logging System provides the capability of p r inting up to 20 parameters Interconnection between the studio or control point Control Ter minal and transmitter site Remote Terminal requir...

Page 7: ...igures 1 2 and 3 illustrate and explain the front panel controls and displays Note the similarity between the Control Terminal and Remote Terminal and the functional grouping of the contr ols DRS lA 2...

Page 8: ...NAL IS IN LOCAL MOO CONTROL OVlltRIOE CHANNEL SELECT DISPLAY _ _ __ _ CMANN L CHO O PRIESS TO TE ST ALL LEO S GNENTS IN READOUT TEST OEPR SS OEPA IS TO TO GAUS CAUS A A RAISE L OWE R COMMAN D COMMAND...

Page 9: ...S GREEN WHl N MAIN voe SUPPLY IS ON CHANNEL SELECT LOCAL CONTROL DEPRESS TO PLACE UNIT IN LOCAL MOOE DEPRESS AGAIN TO RE MOVE UNIT FROM LOCAL MOO LAMP LIGHTS IN LOCAL MOOE RAIS LOWER 0 DEPRESS TO CAUS...

Page 10: ...6 CALIBRATION POT NTIOM T IS S T SUCH THAT NUMB R IN RtMOT T RMINAL REAO UT MATCHES R AOI NG ON Rf IUNC N T R a 0 0 7 8 9 10 CHANNEL NUMBER I O NTI F I CATION STIUP FOR OPERATOR OESGIIIPTION OF MET R...

Page 11: ...lemetry Ten minimum expandabl e to 20 o r 30 sel ected one a t a time 1 VDC for 1000 reading on dis play Full 100 overrange cap ability 1 999 VDC for reading of 1999 Each input isolated and floating u...

Page 12: ...erminal 19 inch Vertical Rack Space Control Terminal Status Panel Control Terminal Remote Terminal Status Panel Remote Terminal IO channel Selector Unit Domestic Shipping Weight Basic 10 channel syste...

Page 13: ...if the units are interconnected with a telephone line the system is a DRS IAW if wireless subcarrier intercon nections are used the system is a DRS lAR The subaudible te lemetry option is typically av...

Page 14: ...ion information derived from a monitor may share the data link in the region of 300 Hz to 500 Hz The wire line system is illustrate d in block diagram form in Figure 4 anq the radio system is illustra...

Page 15: ...TTER SITE CONTROL FSK MODULATOR r TE L EMETRY FSK DEMODULATOR r TELE PH ON L INE 1 r CONTROL FSK DEMODULATOR TELEMETRY FSK M00ULAT0A FIGURE 4 ORS lAW REMOTE CONTROL SYSTEM WITH TELEPHONE LINE INTERCON...

Page 16: ...INC TO TRANSMITTER S I TE SUICAARIEA DEMODULATOR 1 7 MULT1PL X PORT I ON 1 0 T 0NAL7 OPTIONAL OF FM OR TV SUBCARRl R SU8CA IRIER BROADCAST SIGNAL t C ENERATOR DEMODULATOR RETURN ING TO STUD IO J L _ _...

Page 17: ...is returned to the studio in this manner it is customary to use the optional subaudible frequency range for the telemetry signal In this case the telemetry phase shift modulator and demodulator are f...

Page 18: ...lator can be added to the Con trol Terminal of the DRS lA as shown at C in Figure 5 This subcarrier demodulator will accept the subcarrier and demodulate it to recover the metering signal This signal...

Page 19: ...nt panel controls at the transmitter site may be required this unit too should be mounted at an appropriate height In each case it is recommended that the racks should be well bonded to a good system...

Page 20: ...I oo tiiloTELEPHONE LINE r 000 TELEPHONE LINE 00 TELEPHONE LIN 00000000 0 TELEPHON E LI NE REAR OF CONTROL TERMINAL REAR OF REMOTE TERMINAL FIGURE 6 TELEPHONE LINE INTERCONNECTIONS POWER INPUT 120 OR...

Page 21: ...ER ING INPUT FROM TELEMETRY RECEIVER OR MONITOR REAR OF CONTROL TERMINAL CONT OUT oo o I 00000 I CONTROL INPUT FROM METERING OUTPUT TO STL RECEIVER TRANSMITTER OR SCA GEN I Q Li Q REAR OF REMOTE TERM...

Page 22: ...l e which is then internally demodulated in the DRS lAR Control Terminal The Remote Terminal telemetry output connector will normally deliver the telemetry signal The output from this connector will b...

Page 23: ...s been installed verify that all connections are correct Power may then be pplied to both units Use the fol lowing procedure to verify that the system is functioning properly PROCEDURE 1 Place Remote...

Page 24: ...n cluded depress CLEAR button on Status Panel Remote Terminal 14 Depress TEST button on Status Panel Remote Terminal 1S Depress TEST button on Status Panel Control Te r minal OBSERVATION Ohmmeter read...

Page 25: ...0 seconds readout on Control Terminal flashes at about 1 Hz rate Ohmmeter shows continuity Ohmmeter reads infinity after 20 seconds Ohmmeter shows continuity Ohmmeter reads infinity within one second...

Page 26: ...weredRadio Com u ent I N I STATUS PANEL CONTROL TERMINAL OPTIONAL TO MODULATION lll T II STUDIO SIT CABLE 2Al377 TO DLS I PRINTING TERMINAL LO G MC CONTROL TERMINAL 00 j 000001 FIGURE 8 STUDIO SITE CO...

Page 27: ...II 20 OPTIONAL SELECTOR I 10 STATUS PANEL REMOTE TERMINAL OPTIONAL oM M00ULAtl0N M TUI TRANSMITTE _ SITE 0111 0LS 1 SAMPLING TERMINAL DRS IA REMOTE TERM INAL JN CABLE 2 A 1378 CABLE 2A 1378 CABLE 2Al...

Page 28: ...eturn to studio connects to FM or TV transmitter Subcarrier demodulator input at studio site used for metering driven by FM or TV receiver Control signal direct output at studio connects to external s...

Page 29: ...he metering sample Figure 10 will help to illustrate this point In 11 A 11 of Figure 10 resistors Rl R2 and R3 have been added to develop an output voltage representative of plate voltage Resistors Rl...

Page 30: ...SteamPoweredRadio Com t en I I N u I ANtL II E TtltS 4 8 A DERIVING PLATE VOLTAGE SAMPLE PLATE VOLTAGE SAMPLE OUTPUT PLATE CURRENT SAMPLE OUTPUT Fl G 10 I f I l _ _ 4 n rh B DERIVING P ATE CURRENT SAM...

Page 31: ...elated The circuitry in Figure 11 B has been proven to be satisfactory The 10 pf capacitor may be a short piece of coaxial cable or a small value transmitting type mica capacitor The two capacitors in...

Page 32: ...PPROX 10 0 too v SMALL GERMANIUM OR SILICON DIODE ADJUSTMENT SCR7 t t J SMAL L GERMANI UM OR SIL ICON DIODE IOK 1 2W IOK 1 tW I l I I I I FILAMENT OR LINE VOLTAGE SAMPLE TOWER RF SAMPLE TRAN SMI SSI O...

Page 33: ...e or below ground unless wiring is protected The use of shielded wire conduit and other techniques to keep RF out of the metering samples should be en couraged If the installing personnel understand t...

Page 34: ...AY PULLS IN WHEN CHANNEL 10 IS SELECTED RAISE IA I I RAISE THIS RELAY IS ENERGIZED WHEN A RAISE N SUTTON IS DEPRESSED 9 THIS RELAY PULLS IN WHEN CHANNEL t IS SELECTED FIGURE 12 SIMPLIFIED CONTROL CONN...

Page 35: ...DRS lA and the outside loads In this manner serious control transients are kept out of the DRS IA circuitry It is suggested that these relays be operated from a simple DC power supply and that a diod...

Page 36: ...AMPLE CONTACTS 0 0 C RAISE CONTACTS LOWER CONTACTS REAR OF SELECTOR UNIT 4L o o o o o o o o o o o o o o 0000 o o olo o o o o o o o o o o o 0 0 0 0 PUSH SUTTON 2 voe FIGURE 13 SIMPLE EXAMPLES OF CONTRO...

Page 37: ...n the DRS lA The c ontrol fail safe logic removes the transmitter from the air if the control section of the DRS lA s hould fail For TV telemetry fail safe logic starts an external one hour timer shou...

Page 38: ...REAR OF REMOTE TE RM IN AL I 000 0 1 o o r ou NOARMNC J I 10 0 1 L J I I 4 T RA NS MI TTER CI NTEF LOCl S I 7 RE AR OF FS U I in I T Lt ra l L 3_1 E t l IN r ooouoooo c oovov J 1 00 I I J F IGU RE 14...

Page 39: ...on the Remote Terminal explained above Refer to Figure 15 for typical uses of the metering fail safe terminals J Miscellaneous Connections On the rear of the Remote Terminal a set of contacts labeled...

Page 40: ...I 5VOC LAMP OR BUZZER AUX MTRG 5V FS GNO 0 N01i i FA1L C SAr1 L Attn Co tJ c T otJ HAS reeN Re VJ Re t 1tt J fH t f i o AUX MTRG 5V FS GNO 0 24 voe A I NT tJANCE OV tl t E I l1 1CATO t 24VOC RELAY AUX...

Page 41: ...ink when the reading goes higher than 1999 Do not attempt to calibrate the display to read greater than 1900 unless absolutely necessary It would be better to change the reading from 1934 to 0193 for...

Page 42: ...sired channel number To verify that this number has been received and decoded at the Remote Terminal depress CHANNEL ECHO The actual channel number will appear in the readout Verify that the selected...

Page 43: ...ches on the Control Terminal are disabled while those on the Remote Terminal are enabled If CHANNEL ECHO is depressed the channel selected at the Remote Terminal will be displayed on the Control Termi...

Page 44: ...y and control fail safe outputs on the rear of the Remote Terminal may be overridden by going to the LOCAL mode on the Remote Terminal VI CIRCUIT DESCRIPTION A General Description NOTE THE DRS IA USES...

Page 45: ...n the RAISE switch is pushed LOWER The lower control bit It goes low when the LOWER switch is pushed CONTROL The control enable bit It goes high when RAISE or LOWER switches are pushed CHAN ECHO This...

Page 46: ...N ECHO CHAN 18 STATUS CLEAR CHAN 21 CHAN 22 CONTROL MFE CFG 0 CFG l TABLE Z BIT STRUCTURE TELEMETRY TRANSMISSION WORD 1 WORD 2 WORD 3 WORD 4 Dll D21 D31 STATUS 1 Dl2 D2Z D32 STATUS 2 Dl4 D24 D34 STATU...

Page 47: ...tuned to l 2288 MHz Assume X 1 is low Then since each section of 3F acts as an inverter X2 goes high which causes X 3 to go low which causes X4 to go high X l which was originally low will then go hig...

Page 48: ...s 5 and 6 do not change from WORD 1 to WORD 2 THRL originates from 4E Pin 12 It is a 9 375 Hz clock which strobes transmitter lA on its rising edge Since it is at twice the frequency of TR8 a word is...

Page 49: ...of DLATCH causes status data to be stored X9 is a lso fed back to the K input of 3B Wben DRl falls after status information has been latched 3B clocks causing X9 to go low and STATRDY to go high This...

Page 50: ...y board When the third telemetry word has been received LATCH goes low which latches the telemetry bits in the display The three TIL308 IC s IC401 IC403 contain built in latches The TIL304 IC IC404 is...

Page 51: ...02 clamp voltage spikes on the phone line The FSK signal is also coupled through C509 to the telemetry FSK demodulator Section 2 of IC504 amplifies the signal which is then coupled to the internal sub...

Page 52: ...e running VCO frequency of 1400 Hz Under normal cpnditions the VCO is phase locked to the signal at Pin 4 9 Telemetry Phase Shift Demodulator Schematic 91B6759 When subaudible telemetry is used the te...

Page 53: ...nt to the Control Terminal When TALLY is low 4E and 4F select the A D reading TALLY is high when TALLY is low and it causes the outputs of gates 2J and 2H to pass A D data When the CHANNEL ECHO switch...

Page 54: ...ansmission cycle The result is a 20 increase in telemetry update time to the Control Term inal The purpose of the dead transmission is to allow the receiver in the Control Terminal to synchronize with...

Page 55: ...ever initiating a random RAISE or LOWER command PE goes high if a parity error occurs and FE goes high if a framing error occurs ERRSET goes low clearing error flip flop 2A ERROR i hen goes low cleari...

Page 56: ...ors RAIS2 goes low when a Raise command is given LWR2 goes low when a Lower command is given Gates SF lock out both Raise and Lower functions should both commands be given simultaneously Gates 6F lock...

Page 57: ...ch 6G The channel change comparators then detect no difference allowing DISABLE to fall which enables the channel decode r Thus when a new channel is detected all relays immediately open The new numbe...

Page 58: ...30 Device 2001 is a lightning spark gap It protects against overvoltages as described previously in the Control Terminal Power Supply Bridge CR5 C2 and C9 form a 9 VDC unregulated supply which is fed...

Page 59: ...K demodulator is similar to the telemetry FSK de modulator discussed earlier IC206 is tuned to 2400 Hz by R235 When the input at Pin 4 is 2500 Hz the output at Pin 8 is 5 V When the input is 2300 Hz t...

Page 60: ...24 30 are enabled when SEL32 goes low Assume channel 19 is selected SEL24 will be low SEL 61 SEL 64 will be 1 1 IC4 decodes this information and pulls the open collector driver at Pin 4 to ground A re...

Page 61: ...deviation is about 5 to 6 of the subcarrier frequency The output of the modulated oscillator is applied to a buffer amplifier The output of the buffer is applied to a low pass filter for removal of u...

Page 62: ...m o C l I U J I TELEMETRY OR CONTROL SIGNAL DEVIATION AOJ FREQUENCY MODULATED OSCILLATOR FREQUENCY AOJ BUFFER LOW PASS FILTER FIG 16 SUBCARRIER GENERATOR OUTPUT AMPLIFIER OUT uT LEVEL ADJ SUBCARRIEft...

Page 63: ...Com t d fl I I V1 00 I INPUT FROM STL OR FM RECEIVER SUBCARRIER EXTRACTION BANDPASS LIMITER PULSE COUNTER 4 KHZ LOW PASS FILTER DEMODULATOII TUNIN8 FIG 17 SUBCARR IER DEM OOUi ATOR LINEAR AMPLIFIER ou...

Page 64: ...adjustments on this module are for demodulator tuning and output level adjustment The subcarrier bandpass filter is also tuneable VII ADJUSTMENTS All modem frequency adjustments have been preset at t...

Page 65: ...Short TP204 blue to ground Observe TP206 brown with a frequency counter Adjust R240 until the counter reads 1400 Hz Then remove the short at TP204 C Telemetry FSK Modulator Schematic 91C6748 1 I I _ 1...

Page 66: ...at TP204 E Telemetry Phase Shift Demodulator Schematic 91B6759 Adjust R320 for a 20 V peak to peak signal at TP302 yellow F Subcarrier Generator Schematic 91 C6755 1 Frequency adjust R604 This contro...

Page 67: ...erv ed with an oscilloscope connected to the orange test point This filter realignment should not be necessary unless a component has been replaced 2 Demodulator tuning Rl 18 This control is used to s...

Page 68: ...Y BE PRESENT WHEN IT IS CONNECTED TO A LIVE TRANSMITTER REMOVE ANY SUCH VOLT AGES BEFORE TROUBLESHOOTING THE DRS IA The following hints may prove quite helpful while troubleshooting 1 If possible remo...

Page 69: ...is OFF Remove IC s very carefully is recommended to assist in Remove headers in the same when removing a 40 pin IC A long slender screwdriver blade prying an IC from its socket manner Be especially ca...

Page 70: ...the IC in place Again be especially careful when installing a 40 pin IC Visually in spect for bent pins after insertion of any IC or header into its socket 1O Check modem test points for proper signa...

Page 71: ...These voltages and currents may assume an infinite number of values In the digital world however we usually speak of only two signal levels zero and one 11 A zero is a lso called a low and a one is a...

Page 72: ...ers With six inputs and six outputs plus 5 VDC and ground connections the 7404 hex inverter can physically be packaged in a 14 pin DIP dual inline package IC The majority of logic C s is contained in...

Page 73: ...c functions 1 AND gate INPUTS OUTPUT XI y x2 XI x y 0 0 0 0 l 0 l 0 0 1 4 7408 I l l 2 NAND gate INPUTS OUTPUT Xl X2 y y 0 0 l 0 I 1 I 0 1 7400 1 1 0 Note that the NAND gate output is opposite from th...

Page 74: ...ut Q remembers what the input D was when the CLK input last went from zero to one Two inputs are provided which override the_CLK input When SET is low the output Q is forced or s to 1 Q goes to 0 When...

Page 75: ...made to alternate from one state to the next each time the clock input goes through one cycle This forms a one bit counter By adding more flip flops more bits are added and the maximum count is increa...

Page 76: ...bit has a weight of 2 l Each bit has a weight two times greater than the bit to its right For example the 6 bit number 101101 is equal to lx25 0x24 lx23 l x22 0x2 1 lx2 32 0 8 4 0 1 45 An analog to d...

Page 77: ...e in parallel The logic in the Remote Terminal thus formats parallel data into iserial data for transmission to the Control Terminal If this were not done 14 telephone lines would be required The figu...

Page 78: ...data and that it generates the same parallel data at the other end of the data link There is a total of 32 bits of parallel information to send from the Remote Terminal to the Control Terminal The TR1...

Page 79: ...vent erroneous telemetry readings and control commands in instances when the data link between studio and transmitter is garbled Output DR at Pin 19 goes high when a new transmission has arrived Thus...

Page 80: ...Similarly command information is routed to the Remote Terminal The logic of the DRS IA is thus divided into two main elements the logic that moves data and the timing logic that controls the movement...

Page 81: ...WRAP 21B2477 PLUG 2 AUX V FUSE C2 SUB GEN 11 11 1 20A2473 CONTROL FSK MOO 20A24777 8 DIG ITAL PANEL u METER P C BOARD SWI DISPLAY TEST DRS I CONTROL TERMINAL FIGURE 20 SW2 RAISE J SW3 SW4 CHANNEL ECH...

Page 82: ..._ T L M T Y j UJ __ 4039 FEEDTHROUGH3 18 RED 18 BLK ID PLUG 2 PLUG I WIRE WRAP BOARD E IC DIGITAL PANEL METER P C BOARD 8 FSK MOO SUB GEN _ _ _ 20A247 1 20A2473 DRS I SWI LOCAL CONTROL REMOTE TERMINAL...

Page 83: ...s I I I 7 I I J CONTROL _______ OATA CONTROL FSK MODULATOR 91 B 6761 TO STATUS j 20A2477 5IA5567 PHONE IN I 1 4 AMP I I PHONE OUT k Y C a II II p l l F3 W YEL i GNO I I CONTROL Tl 3 1011 L _____ _ _...

Page 84: ...0025 r 4 i V I X4 fh 1_1CA 2 F L ___________ _J TR8 10 7t 30 A 0032 5A I 3A 74 t7 I LI 2 3 4 5 6 _J RR I i l c 2________ l i i ___________T 31 ____ 4 J 2 I 81 RR2 11 T 32 I 3 4 _ ___l_ __ 4 __ 82 RR3...

Page 85: ...21 A 24 38 4 4 0 EJISCL4C20A 3 D E 1 ISCL4C20 A ISCL4 0II A 11 HE ADER DCiJGl H22 1 D BD A r I 6 0 o B t a 0 u C DODD D ClC D _______________ r O 0 HE ADER 2F 7 I a COMPONE NT L AYOUT HEADER JUMPER O...

Page 86: ...L 3 0 8 TI L 308 TIL 308 IC 403 IC 4 02 IC 401 1 6 II 13 1 6 II 13 BLANK __ _ _ __ _ _ __ _ _ _ _ _ _ _ _J NOTES I UNLESS OTHERWISE SPECIFI ED RESISTOR VALUES ARE IN OHMS 1 4 W 10 CAPACITOR VALUES ARE...

Page 87: ...ARE I N OH M S l 4 W 10 lo C APACITOR VAL U ES A RE IN MICROFARA D S 2 P C BO AR D 5 1 A5572 3 SCHEMAT IC 9 1 B6757 4 c r D ENOTES DIODE I N 4 1 54 7 73 DIETERIC H POST 211111 002 f ILM a 0 er 4 J 0...

Page 88: ...VALUES ARE I N MIC ROFARADS 2 PC BOARD 51 A 5567 3 COM PONENT L AYOU T 20 A 2477 5 71 DI ETERICH POST CLEARPRll T 10 8 R505 LO 2300Hz SK R506 6800 51A5567 R507 HIGH SK 2500Hz BUF F ER 2070 R509 o voe...

Page 89: ...c r l n a 0 J 6 I l L NOTES UN LESS OT H rtW 1Sc SPf 1F1r A LL R SIST O R V A LUE S ARE IN O HMS l 4W 1 0 rm CAPA CI T O R VALU S AR E I N M l R O FARA QS 2 PC BOARD 51A 5567 3 SCHE MAT IC Y 86 76 1 7...

Page 90: ...f I I I 5 1 _v V V v s 9 voe R231 12 V 4 700 R233 47 00 R229 5 2200 1 C2 16 lQ 20 5 9 VDC 6 33K FSK 11 4 700 FS K DEMOD ULATOR 12v 4 16 15 IC206 XR 210 3 8 7 voc 2 9 1VDC R236 82 K 12v CR 203 7 1 voe...

Page 91: ...4 Ii t UJ I e g R Zo s 1 _ 14 5 0 U t C 2 1 27 r l 0 8 I I 1 L 4 8 l R2 9 J RJ I J_ 6 J c v 3 cnJQ 1 L _J r n6 41 iJ51 l J R2 0 f 7 8 N Cb O u T E S v II L 1lHERIV l i S ECI F I ED Au RES S TOA v I J...

Page 92: ...3 C603 C60 4 TP602 t 6 0 6 VP P YE L 0 602 R616 B OO C602 FREQUENCY DETERMINED PARTS C603 604 C607 C608 L60I 26 KHz 1500 pf 910 pf 7500 pf 47 mH 39 KHz l000 pf 560 pf 4700 pf 33 mH 41 KH z 10 0 0 pf 7...

Page 93: ...KHz I I TEM3 4 1KHz IT EM 4 67 KHz ITE M 5 95KH z IT EM 6 110 KHz I TE M 7 1 35 KHz I TE M II 1 85 KHz L 51 11H I U NLESS OTH ERW ISE SPECI F IED RESISTOR VALU ES ARE I N OH MS l 2W 10 CAPAC ITOR VAL...

Page 94: ...re IOI 6 V 6 Rl27 R l 24 4 7 K 10 K CII 3 20 r A MP LI FIER OUT C l 15 Rl2 8 10 1800 20 D IA OOUL Af D OUT PUT GN O 2 4 4 4 4 l 4 4 FREQU ENCY D E T ER M I NE D VALUE SEE 94A45I0 L r I t LTER NA TE 8...

Page 95: ...www SteamPoweredRadio Com 0 a 0 z 0 0 UJ 0 t 0 _J t z LA I z 0 Cl IIJIISl 1 0 u L f O N g 11 r V fQI e ll l 1 lQd 00 11 z z 0 JI 0 u 0 z 0 0 0 0 ue u C oa JI lt...

Page 96: ...E g 9 91 U Ll CTO S I Jtl _ u co1111vr r M T III ltllllt f l l 10 1 t t UCTOH 7 5Y TO SHtcfOll 1 C01111 0 U lt zv izv L J IJ D t ICl i l IIY 1 lf 401C II C i _ _ l Y _ _ l cl D c I aicl Ji I t Vf l O...

Page 97: ...ORDS W IT H ST AT US NO ST AT US w i en o t ee 1 0 d i J t J U N L ESS O THER WISE SPEC I F I ED Q 0 at I t MC LaV A CCIAT11 1 INC SANTA BARI ARA ltHU RCH PAllll _ ________ GOLtTA CAUFO UA 17 R E S I...

Page 98: ...91C 6762 SUBAUDIBLE 3 IN ST A LL SOLDER TASS T O P O W E R ANO GPOUNO PLANES WHER E I ND I C ATE D 5 71 DIETERICH POST CLEARPRl IT 1020 8 4 SI D E 5 I NTER OYNE 5 B 2 202 PANEL SE E N OT E F 6 0 2 w...

Page 99: ...I C c I I I P Ofi I 1 0 1 027 3 1 I a BAN l t mi 3 A O CSC J f l I I _ _ o 027 3 I 0 193 jj 11 r 11 1 I I __ R 8 at I c o V I I I O L 0 m19 fil5 OO IU 1lU 0193 r I I j I I I 01 4 f r 15 1 s O 2 5 3 Z...

Page 100: ...213 R2o e u D v tf 0 1 ORG 2 l t c u 2 1 NOTES U NLESS OT H ER WIS E SPECIFIED AL L RESISTOR V A LU ES ARE I N O HMS l 4 W 10 CAPACITOR V AL UES ARE I N MI CROFARA OS D I OD E S R E IN 4 15 4 2 P C BO...

Page 101: ...ERICH POST 21118 002 FILM 10 I I l I2 12 1 3 4 1 5 3 REGUL AT E D PQ v ER SL PFLY I S02 12 3 0 t f Ill c l Q 0 l ci z Q I w i 4 1 MOSELEY ASS OCIATES INC SA N I A 84RBARA RESEARCH PARK COLETA C A LI F...

Page 102: ...ION A L JOSLY N M S P 2 0 01 0 6 5 71 DI ETERICH POS T CLEJ RPR INT 1020 8 WI RE JU MPER USED ON PL U I DRS I C T a R T 0 C t 0 _ u i IOI x 0 1 MOSELEY ASSOCIATES INC o W in t cr cr t _ C t w 14 er e...

Page 103: ...SEL 32 J _ l 1 4 f 321 14 13 12 1 4 6 7 06 7 9 07 _______ I 0 r os A I 2 IC3 B 7 445 3 C 4 5 D 6 7 0 I 2 3 4 5 6 7 L 09 j 10 1 1 II L 12 L 13 __ __ 14 9 1 i I5 I 2 3 ____ _ B IC4 4 7 445 08 09 10 II...

Page 104: ...RAISE M 1 0W l R M 01 02 O 0 8 2 KS 6 CONNECT TERMINALS Kl K IO TO TERMINALS 1 10 FOR SELECTOR CHANNELS 1 1 0 INSTALL IC2 a IC3 ONLY 11 11 20 11 20 11 IC3 8 IC4 11 11 21 30 11 11 21 30 11 7 ALL WIRING...

Page 105: ...VIO WH M N GRY WH N p BLK GRN p R BLK WH R s WH BLl RED s T JUMPER BLK tt liv uav NOTES I UNLESS OTHERWISE SPECIFIED WIRES ARE 26 Q i I I i II OCI_IL i JI o o u A Cl o o Oct o C UICD I z C _j a ID J z...

Page 106: ...www SteamPoweredRadio Com Status Subsystem...

Page 107: ...om I I I I I I I I I I I I I I I I I I I INSTRUCTION MANUAL ADDENDUM A STATUS SUBSYSTEM for MODEL DRS lA MOSELEY ASSOCIATES INC Santa Barbara Research Park 111 Castilian Drive Goleta California 9301 7...

Page 108: ...TION A Status Panel Control Terminal I Power Supply 2 Receiver Latches 3 Drivers 4 Front Panel Control s B Status Panel Remote Terminal 1 Power Supply z Input Latches 3 Wor d Counter 4 Multiplexers 5...

Page 109: ...rol terminal to alert the operator of alarm conditions The front panel of each status terminal is identical as shown in Figure 1 11 INSTALLATION The Status Subsystem for the DRS IA consists of two sta...

Page 110: ...LEO IS ON WHEN CHANNEL IS ACTIVATED b1 o o Os 011 Or o 011 012 0 5 I INDEX CARO FOR Ou 0 1 1 O a OPERATOR IDENTIFICATION OF CHANNELS FIGURE I STATUS PANEL DEPRESS TO TEST 0 9 022 J TUT 020 Ou 021 024...

Page 111: ...e connected to both channels 12 and 20 simply by jumpering inputs 12 and 20 together and applying the switch to either input In addition to the LED indications on the front of each Status Panel rear p...

Page 112: ...TCH ON DOOR 011 RELAY CONTACT o 2 voe o A 2 voe RELAY COIL 0 0 0 0 0 0 0 0 0 jo o o o o o o o o o o o 0 0 0 0 0 0 0 10 o o o o o o o o o o ol TRANSISTOII SWITCH REAR OF STATUS PANEL CONTROL TERMINAL o...

Page 113: ...es not c ause the Status Panel Control Terminal displays to light up The TEST switch on the Status Panel Control Terminal activates all of the L ED s and external drivers When TEST is released the unl...

Page 114: ...or Pin N is normally pulled up to 5V by Rl Switch SWl when pushed causes CLEAR to go low This bit is sent to the Status Panel Remote Terminal to clear the latches R2 normally pulls up the CLR inputs t...

Page 115: ...ge of this pulse The two bit counter state is fed to the Remote Terminal via ICl0 and to 4 to l multi plexers ICll ICl3 4 Multiplexers Only one group of six status bits is sent to the Remote Terminal...

Page 116: ...r this scheme is very easily implemented Therefore it would be simple to convert all status channels to the nonlatching mode Implementation Scheme 2 consists of removing the wirewrap wires from the ou...

Page 117: ...SN 74 I7 F 2 TO NI 3 4 TO N6 5 6 TO 0 1 13 12 TO 06 11 1 0 TO Pl 9 8 TO P6 SN74I7 C 2 TO RI 3 4 TO R6 5 6 TO SI 13 12 TO S6 II 10 TO Tl 9 8 TO T 6 SN7417 A 2 TO UI 3 4 TO U6 5 6 TO VI 13 12 TO V6 1 0...

Page 118: ...OnK UP SEE LIS T 5185559 NEXT AS EMB L Y 21C248 2 Oloto Cjct tjO ga DENOTES MOLEX WAFER ASs y 22 03 2201 CUT AS RE QUIRED COMPONENT SIDE WIREWRAP SIDE w 0 I 0 N OTE DOT e ON P C BOAR D IS T YP LA 1P 2...

Page 119: ...ED W N N I RG p I I PI L R R 1 4 BRAID COVERED V1I TH BL ACK VI NYL T UBINC z m J UJ IJ Q J z OTHE RWISE SPECIFIED WIRES ARE 26 l a t 0 oo 0 U O o o 0 C l l 0 X C 0 Ill z 0 ri C I L J WINCH MRE I 4 P...

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