RXC-2000 Service Manual
Contents
1. 8 INSTALLATION amp THEORY OF 9 ENC HO SUR 9 POWER CONNECTION MC 10 40 WATT POWER SUPPLY FUSING xix casas utens ues uei vus VOU ERU 10 DC DC CONVERTER FUSING cb enudN SEM unu UEM TRUE NUN RU VE DU 11 BATTERY lle MUP e M M A 11 SOLAR OPTION MTM 11 eR 12 12 PORT coe OEE 13 USB PORT ominie r EE Er a EEE ovsimenmanneeriecedieatstants 13 ANALOG reser EEEE E EEE EEO 13 FACTORY PORT asana NEE 13 PORT ctor pre se oe E 14 14 SOQUEL CMe 14 TRANSCEIVER INTERFACE POR Wend 15 PIN CONNECTOR PINOD Tunes iE EE NER 15 RADIO POWER c 15 LEES DuC 15 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 5 of 23 RXC 2000 Receiver Decoder Controller AUDO ADIUS Toe E 16 LED ST2. 5W7 d KON T a Sw Swe x 9 x LOGS M x See re ee ee P swe Ld Ll 4 24x 1 INPUTA pup eeu ons __ 1 E S j ot Fig 2 ona 2 lt 2 lt gc gt lt FL o Lt o 7 7 7 o d d d d e d e d F Rotary Switch The Rotary switch is provided to allow field selection of predetermined settings in the user software The settings could be unit Function speed etc DIAL NUMBER DTMF 0 1 1 1 2 2 2 e D Pas Switch 5 5 5 6 6 6 7 T 8 8 8 9 9 9 A 10 A Fig 27 B 11 B T 12 The switch has 16 positions Hexadecimal The table correlates each D 13 D of the settings to the decimal equivalent and also the DIMF equivalent E 14 F 15 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 19 of 23 RXC 2000 Receiver Decoder Controller Relay Outputs The RXC 2000 provides up to 5 relays Each relay has the ability to carry 7 Amps of current at 230VAC Each of the 5 relays is a 1 Form C SPDT relay and each relay has an associated action LED directly above it that indicates when the relay is active am Aux Outputs The auxiliary output connector is tied to each of the transistors that drive the output relays Each of these lines can sink a maximum of 300mA The maximum voltage to sin
3. Crenave RXC 2000 USB RS 232 Receiver Decoder Controller Hardware Manual Genave NRC Inc 24234 Chesley Trail Hampton MN 55031 651 460 6616 Telephone 651 460 6686 Fax www genave com Support enave com Copyright 2009 Genave NRC Inc Tech Publication No 9000 0000 009 Rev 03 RXC 2000 Receiver Decoder Controller A Warning A If incorrectly used this equipment can cause severe injury Those who use and maintain the equipment should be trained in it s proper use warned of it s dangers and should read the manuals before attempting to set up operate adjust or service the equipment Keep this manual for future reference Important Safety Information System Planning Proper planning is the cornerstone to an effective warning system The Federal Emergency Management Agency FEMA publishes the Outdoor Warning Guide CPG 1 17 which should be used in planning your system In addition you should recognize and understand the following items Outdoor warnings sirens and equipment are not intended to be heard indoors Conversely indoor devices are not intended to cover outdoor environments All devices have specific purposes and distances that they can be considered effective Proper placement and selection of the correct equipment is necessary to cover a desired area Refer to the FEMA guide for placement guidelines Training is necessary to insure those responsible can correctly activate the syste
4. 2000 is accomplished by using a personal computer and the Comstar software from Genaveo Programs for your particular application are written with Comstar and then downloaded to the RXC 2000 a USB or serial connection After downloading the USB or serial connection is removed and the RXC 2000 functions on its own Please refer to the serial port section of the Installation and Theory of Operation section of this manual for additional information about programming 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 8 of 23 2000 Receiver Decoder Controller Installation amp Theory of Operation Enclosure The enclosure is made of polycarbonate and has a NEMA 4X rating when shipped from the factory Four mounting inserts are provided on the back of the enclosure for mounting the box to a wall The inserts are threaded for metric M5 bolts Mounting feet are available for the enclosure Genave P N 7050 0000 019 The feet allow front on mounting of the enclosure to a wall and can be mounted vertically 45 degrees or horizontally If you are mounting the equipment to a pole it is important to keep the enclosure flat and not allow the box to twist The door gasket will not completely seal if there is a twist to the box If you need design assistance please contact We have several options available for pole mounting When making connections to the enclosure do not drill through t
5. 3 Page 12 of 23 2000 Receiver Decoder Controller RS 232 Port The serial port communicates via RS 232 signal levels of 25V Communication speed is 19 200 Flow controls are 8 1 N UN T20UT I Serial Comm MAX232CWE USB port The USB port is a USB 2 0 compatible port The connector is a Type B J13 is used when a bulkhead mount USB is required The power for the USB port is supplied by the computer s USB port only U12 AUX OUTPUTS S 029 VEL e m Analog Port The analog port has not been implemented Please consult Genaveo for information Factory Port The factory port is for Genaveo use only There is no end user functionality 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 13 of 23 RXC 2000 Receiver Decoder Controller lt LCD Port gt The LCD port interfaces to the user s LCD i T module The port provides all of the required O zi signals contrast drive and power for a 1 x 16 9 module n 5 i t c x x 2 Fig 9 CTCSS DCS DPL R71 9 epos Switch The CTCSS DCS DPL jumper enables and disables the sub audible tone privateline E function of the Maxon radio When shorted with a gs SES jumper the CTCSS DCS DPL is disabled When open the CTCSS DCS DPL is enabled The CTC
6. at transmitter Top and bottom of sine are cut off creating 5th 7th 9th etc harmonics Fig 31 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 23 of 23
7. life support devices or systems without the express written approval of the president of Genave NRC Inc As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implants into the body or b support or sustain life or whose failure to perform when properly used in accordance with instructions can reasonably be expected to result in a significant injury to the user 2 Critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness CSP Communications Signal Processor Genave Operating System GOS CSP 105 CSP 107 CSP 108 CSP 120 RXC 2000 and RXCPro are Trademarks of Genave NRC Inc The Genave name and logo are Registered trademarks of Genave NRC Inc Touch Tone is a Registered trademark of American Telephone and Telegraph Other names used in this manual are trademarks of their respective companies 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 4 of 23 RXC 2000 Receiver Decoder Controller Table of Contents GENERAL SPEGIFICATIONSIneisisa odio ra De ICM RE 7 M 8 GENERA 8 muecu cm
8. ATUS INDICATORS 16 GPU BUSY 16 CARRIER 16 16 PROD E A E E ET 17 17 INPUT Eb t 17 ii dm cb m K 17 POWER CONNECTORS 18 moz ape 18 iiM A A 18 POWER OOT 18 ROPE AUER E 18 ETERNAL SPEAKER POR M 18 SPEAKER DISABLE 18 OPERATOR OWT CHE Sri UE 19 ETERNAL INPUT S 19 ROTARY ect cdueon nec
9. Fig 23 Speaker The pcb mounted speaker provides audio from the transceiver for trouble shooting External Speaker Port Fig 24 The external speaker port is connected directly across the J223 speaker This provides a connection point for the end user to pull audio from the board Spkr Off 1 Spkr J2 1 J1 Speaker T U A A e e NW NN Speaker Disable The speaker can be disabled by moving the jumper from On to Off 12 F203 Fig 25 Interface DNOUAPWNY 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 18 of 23 RXC 2000 Receiver Decoder Controller T5 Operator Switches R65 The RXC 2000 provides 8 operator switches The function of each switch is determined in the software The switches are sealed for moisture and have an activation force of 160 grams The white area next to each switch is for the end user to write the function of each i x LI im mi ul md 3 f ha ET AUX INPUTS F p p E P ich E TAT switch Hia External Inputs Each of the switch inputs can remotely activated by pulling the pa associated input on the Aux Input header to ground through a dry a NOR contact closure Caution There is no protection on this header E NRC E You can kill the processor if the voltage exceeds 5VDC rPe 4 TT INPUTS 2 v
10. SS DCS DPL is changed via reprogramming of the transceiver ao sm a 6 ca yeu to E amp d pom Squelch The squelch setting is not accessible to the general customer To adjust the squelch setting a copy of the Comstar G software and an RF service monitor are required Please contact Genave to adjust the squelch setting 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 14 of 23 RXC 2000 Receiver Decoder Controller Transceiver Interface Port Communication and control with the RXC 2000 s transceiver are all carried out through this port This port X lt has been optimized for communication with Maxon SD series radios However the RXC 2000 can be connected to any transceiver 14 pin connector pinout 1 Not connected 2 Not connected 3 GND 4 12 Vdc 200mA max 5 Speaker audio from radio 6 GND 7 Not connected 8 output 300mA max sink 9 Not connected 10 Discriminator audio unfiltered 11 Busy CD input active low 12 TX audio output 13 Serial data from radio 14 Serial data to radio Radio power The radio power connector should be used for supply to Maxon radios only It is turned on and off by the processor and it may not work well on other radios Please consult Genaveo if you would like to use the radio power connector for a different radio Genaveo can modify the firmware to fit your neers PTT disable Jumper J29 is used t
11. arranties is not permitted by some jurisdictions The above exclusion may not apply to you In no event will Genave its licensors directors officers employees or agents collectively Genave s licensor be liable to you for any consequential incidental or indirect damages including damages for loss of business profits business interruption loss of business information and the like arising out of the use or inability to use the software or hardware even if the Genave and or its licensor has been advised of the possibility of such damages Because some jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages the above limitations may not apply to you Genave and its licensors liability to you for actual damages from any cause whatsoever and regardless of the form of the action whether in contract tort including negligence product liability or otherwise are expressly excluded Genave reserves the right to make changes in specifications at anytime and without notice The information furnished by Genave is believed to be accurate and reliable however no responsibility is assumed by Genave for its use nor infringements of patents or other rights of third parties resulting from its use No license is granted under any patents or patent rights of Genave NRC Inc its licensors or suppliers Life Support Policy Genave NRC Inc products are not authorized for use as critical components in
12. autions to protect yourself and others You should completely disable the equipment before working on or in close proximity to any part of it You must test the system and equipment to insure it is operating correctly after the installation as well as after any work has been performed System Operation Training is necessary to insure those responsible can correctly activate the system It is also necessary that everyone understand the purpose of the siren and the protective actions they need to take when the system is activated Periodic tests can serve to accomplish the training for the operators in addition to demonstrating the various signals to the public You must carefully read and completely understand all the information about the system including its abilities and its limitations Since no warning system is infallible you must have contingency plans for warning in the event the primary systems do not perform as expected for any reason 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 3 of 23 RXC 2000 Receiver Decoder Controller Genave 2009 Genave NRC Inc RXC 2000 Hardware Phone 651 460 6616 Fax 651 460 6686 PRINTED IN USA The contents of this manual are the property of Genave NRC Inc and are copyrighted Any reproduction in whole or in part is strictly prohibited For additional copies of this manual or software please contact Genave NRC Inc Warranty Genave NRC Inc products are warranted to be fr
13. d If the signals are folded back or clipped they create harmonics in the signal which can keep the RXC 2000 from understanding the fundamental signal if the harmonics become too large Fig 31 Squelch setting is too tight If the squelch setting is too tight the RXC 2000 s receiver will never open and allow the signal to go to the decoder The RXC 2000 activates randomly Unit starts by itself Unit has received an activation code from a very remote source due to signal skip Program the RXC 2000 and the activation source with a sub audible tone Frequency counter or DIMF grabber must be shut off for proper operation The RXC 2000 produces unsquelched audio through the speaker Distracting noise Squelch setting is not tight enough Tighten the squelch setting The squelch setting will need to be adjusted Squelch requires Comstar program and RF communication service meter 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 22 of 23 RXC 2000 Receiver Decoder Controller RXC 2000 2 TONE TROUBLESHOOTING af gt A 58 Ic A E x lt zi E 2 TONE A TIME 2 TONEBTIME 22 gt Fig 30 PURE SINE Correct Signal should have smooth lines Signal FOLDBACK Signal has 3rd harmonics at the same amplitude as fundamental usually caused by poor coupling CLIPPING Signal is over driven
14. ee from defects in material and workmanship for a period of ONE 1 year from the date of shipment Genave during this period will repair or replace any parts which upon our examination appear to be defective in materials or workmanship This warranty does not apply to defects malfunctions or breakage due to improper installation servicing handling or use thereof nor to units that have been damaged by lightening or other Acts of God excess current reversed supply connection nor to units that have had their serial numbers altered or removed Equipment damaged in Acts of War abuse misuse tampering submersion or willful destruction will also void this warranty Prior to returning equipment for warranty repair contact the Genave Customer Service Department for an RMA number They can be reached by using the telephone number or fax number listed above Genave NRC Inc Genave and its licensers offer this warranty in lieu of any and all other guarantees or warranties either express or implied including without limitation the implied warranties of merchantability and fitness for a particular purpose regarding hardware or software Genave and its licensors do not warrant guarantee or make any representations regarding the use or the results of the use of the software or hardware in terms of its correctness accuracy reliability most recent or otherwise You assume the entire risk as to the results and performance The exclusion of implied w
15. es suien cana EEEE EE EEE EEEE 19 OUTPUTS E 20 PUK OUTPUTS m 20 TROUBLESHOOTING 11 o MEM m 21 TONE AND SIGNAL DIAGRAMS e eeeene nennen 23 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 6 of 23 RXC 2000 Receiver Decoder Controller General Specifications General V suppLy lsuPPLY Weight Enclosure Size Enclosure Rating Power Connector Temperature Run Temperature LCD Inputs Number Vin Debounce Relay Outputs Number V max max Type LCD Width Lines Font RF Transceiver Model Freq Range Specs Communication Format Software 2009 Genave NRC Inc 90 to 264 VAC 47 to 63 Hz 1 Amps Maximum 16 Ibs 11 73 in x 11 73 in x 7 25 in NEMA 4X Polycarbonate 3 Terminals 6 screw 30 to 80 C 10 to 50 C 8 Logic level active low Internal pull up 5vdc max 150 msec lt 2 msec Up to 5 230 vac 7 amps 1 Form C 1 to 16 char 1 5x7 Maxon SD 161 171 164 174 148 MHz to 174MHz 450 MHz to 490MHz See Maxon manual for more details Serial RS232 USB 2 0 Use Genave Comstar M software 9000 0000 009 Rev 3 DTMF Decode Sensitivity Twistmax Interword Length Tone Decode optional Accuracy Select
16. he top or sides of the box Make all connections through the bottom of the enclosure to maintain at least a NEMA 3R rating Fig 2 oF The internal equipment is mounted to a metal backplane The backplane is secured to the enclosure with screws that are specifically designed for plastics Do not use any other type of screw to secure the backplane to the enclosure it will damage the standoff sooo eh i qnit LL A OND i Wq PNE 4 1 11 f 2 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 9 of 23 RXC 2000 Receiver Decoder Controller lt AS Power Connection The RXC 2000 requires 90 to 250 volts AC power to operate The unit is supplied with a 3 position barrier terminal block The terminal screw size is 6 screw and will accept a forked terminal with a maximum width of 320 Terminal 3 is grounded to the backplane This Ce 07 terminal should be bonded grounded to earth ground AC Connections 110 Volt 220 Volt Connect Hot wire to Line 1 Connect Line 1 to Line 1 Connect Neutral wire to Line 2 Connect Line 2 to Line 2 Connect Earth Ground wire to GND Connect Earth Ground wire to GND 40 Watt power supply fusing When equipped with a 40 Watt switching supply the RXC 2000 power supply is fused for 2 amps Replace the fuse with a 2 Amp 250 Volt f
17. ive of activity on the channel PTT Tx Green The PTT Tx indicator is lit whenever the microprocessor has turned on the PTT transistor and pulled the PTT line pin 8 of the Transceiver Interface Port low 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 16 of 23 2000 Receiver Decoder Controller Aud Lvl This function has not yet been implemented Heartbeat Red The heartbeat LED shows if the microprocessor is running by flashing Fig 19 Input LEDs Red The input LEDs are lit when one of the input lines goes low from either a switch pressed by an operator or through the Aux connector Relay LEDs Red The relay LEDs are lit whenever an associated relay is active Black W 027 R89 T T 1 1 ES Fig 21 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 17 of 23 RXC 2000 Receiver Decoder Controller SS Power Connectors ARRIERI J if Power In Power for the RXC 2000 is supplied through J4 Fuse The fuse is a finger safe fuse holder Replace the fuse with a 5mm x 20mm 2A 250V fuse only Fig 22 Ad Ar M Aux Power Out The Aux Power connectors are designed to supply power to equipment attached to the RXC 2000 The cumulative amount of current supplied through the connectors is 800 mA at 12VDC There are no fuses in line with these connectors to protect the board Do not input power through these connectors ac e gt lt
18. ivity adj Range S N Ratio Detectmi n Detectmax Intertonemax Genave 18 msec 18 msec 200 mv p p min 3 Vp p max 8 dB to 25 5 sec 36 char max gt 0 2 to 4000 Hz 210 4000 Hz O dB or better 400 msec 25 5 seconds 300 msec Page 7 of 23 RXC 2000 Receiver Decoder Controller Overview Fig 1 General The RXC 2000 is a transceiver controller unit The unit is equipped with a transceiver signal decoder amp encoder programmable logic controller Power supply up to 5 relay outputs optional LCD screen board mounted activation switches USB and or RS 232 computer interfaces all contained in a NEMA 4 weatherproof enclosure The RXC 2000 is designed to receive DTMF or sequential tone signals with optional decoder board sent via radio from a control site and activate any combination of its relays In addition the RXC 2000 has the ability to generate tones DI MF signals under its own program or external computer control This allows the RXC 2000 to act as an encoder tone repeater and transponder Since the RXC 2000 is programmable it is not dependent upon any manufacturers particular tone code scheme It can of course detect and generate Motorola GE Bramco RCA and many other standard codes But it can just as easily be programmed to use custom tone codes already in use or to develop your own code schemes for a particular application Programming Programming of the RXC
19. k is 12 Vdc EE Bg Aela ids mm le le la l 3 p B Egg g 2 PS Oe ies 3828 EQS EQS I I E a a Li 24 i 7 z ER C D DD De B D Cy s 5 RE dui PE i d 5 5 4 i 20 LEE 5 3 T OUTPUT 1 2 3 CUTFUT 4 5 Fig 29 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 20 of 23 RXC 2000 Receiver Decoder Controller Genave RXC 2000 Trouble Shooting Guide Possible Causes The RXC 2000 has No heartbeat Fuse is blown Check the fuse on the motherboard F203 no power No characters on the This is 5mm x 20mm 2 Amp glass fuse LED Fig 22 No action from the switches Problem Symptoms Actions Power supply The green light on the power supply should failure be on when the power supply is running If it is not on make sure that AC voltage is being sent to the power supply If the unit has AC power but is not operating there is a small fuse on the power supply Regulator failure Check the output of the regulator U7 just above the aux power Connectors There should be 12Vdc in and 5Vdc out The RXC 2000 Unit operates from Antenna Check the antenna connection It may need does not decode switches but not tones Connection an outside antenna if the tra
20. m It is also necessary that everyone understand the purpose of the warning system and the protective actions they need to take when the system is activated Periodic tests can serve to accomplish the training for the operators in addition to demonstrating the various signals to the public warning systems must have contingency plans in case equipment problems or operator errors interfere with its performance Just as with the primary warning system the contingency plans should be periodically tested to make sure those responsible know how to implement them and the necessary response from the public is achieved 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 2 of 23 RXC 2000 Receiver Decoder Controller Important Safety Information Installation amp Service Precautions vw severe personal injury and damage to equipment can occur during installation or servicing this equipment All electrical work should be performed by or under the supervision of an experienced electrician and in accordance with all applicable electrical fire building and safety codes 9 eThis equipment can start at any time from local controls automatic timers radio remote commands from a computer and many other sources The sound output can cause hearing damage while other attached equipment can cause personal injury when they engage Whenever working in or around the equipment you must assume it could activate at any moment and take appropriate prec
21. nsmitter signal is or DTMF too weak Engage the speaker jumper 1 On Listen for tones codes Fig 24 Receiving an Check the J20 jumper If the unit has been incorrect code or programmed for a DCS CTCSS DPL code it sub audible code may be receiving a low or incorrect code Shorting J20 turns off sub audible tone decoder and then try sending the unit the tones or DTMF codes again Radio connection Check radio connections J2 and J3 The CPU busy light unit may be Check the program The tones could be the flashes after receiving gt incorrectly incorrect frequency too short in duration or tones or DTMF codes programmed and too long of an inter tone gap between the but does not function waiting for a tones Fig 30 different set of tones or DTMF codes Use an oscilloscope and look at the signal at the wiper of potentiometer R75 The signal should be a sinusoid and not be distorted clipped or folded back The signal should be between 100mV and 200mV peak to peak at the wiper Fig 31 Troubleshooting cont 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 21 of 23 RXC 2000 Receiver Decoder Controller Genave Problem Symptoms Possible Causes Actions Signals are folded back or clipped Although the RXC 2000 can listen for tones and DTMF codes in poor quality audio signals the signals are decoded easily if they are not malforme
22. o disable the transceiver s PTT line 1 This is used to prevent the transceiver from locking up L 2 _ for any reason 5 Disable Q1 a iis VN mE Enable 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 15 of 23 RXC 2000 Receiver Decoder Controller Audio Adjust The TX audio pot is a 10k pot driven from a high impedance amplifier The audio from the TX pot is AC TX Audi 5 coupled to the Transceiver Interface Port pin 12 Adjust this pot for 3 0 to 3 5 kc deviation from the transceiver The Rx audio pot is a 10k pot Audio from the Transceiver Interface Port pin 10 is supplied directly to the high side of the pot This pot should be adjusted to provide 100mV to 200mV of audio on the wiper when receiving 3 0 kc deviation of 1000 Hz This pot is not placed on RXC 2000s that use the Maxon radios Instead resistors R77 and R78 drop the audio to the correct level AUDIO IN gt a AUDIO IN 1 0 47uF ow JL C8 R18 R75 x R77 Fig 17 LED status indicators These LEDs provide visual indication about the operation of the RXC 2000 CPU Busy Red The CPU Busy indicator displays when the microprocessor is working on a function Fig 18 Carrier Rx The Carrier Rx indicator is lit whenever the CD pin 11 of the Transceiver Interface Port goes low This is indicat
23. r is a stand alone unit that contains 2 gel batteries These batteries are connected in parallel with the battery in the RXC 2000 The solar option allows the RXC 2000 to operate up to 5 days without sunlight 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 11 of 23 RXC 2000 Receiver Decoder Controller lt Motherboard TX RX Remote Radio Interface Status x LED s tatus LED s Power Control Power In Fuse rae LCD Port RGB Speaker Controls board 16 Position User Onboar Speak Programmable Switch Aux Inputs Heartbeat LED a CTCSS DCS E SUITE 5 a m Am perator Analog Port Switches Fall 1 chia cr ni aa Ir Cote a HADE IN USA 12 Corn ro RS 323 Port Aux Outputs aie Mp eNO a aulDiscpHNECT ALL Powe msl toa PORT J EN BEFBGRE SERVICING Relay Action al 25 aux UTPUTS y LPs OC FF 2 Rm LED i e T Gree je Aux Power lt t5 It Connector E en 123 5 20225 4 1 3 Es 7 s als Fu I a gt a F RELEY a un d mpm E rn d Es Sey S N USB Interface Relay Outputs 2009 Genave NRC Inc 9000 0000 009 Rev
24. use Wickmann Littlefuse 372 ONLY The fuse is located on the power supply REMOVE ALL POWER BEFORE REPLACING THE FUSE DX The fuse terminals are connected directly to the terminal block and will be electrified unless power is removed If the power cannot be disconnected at the terminal block disconnect the AC input header on the power supply Remove the power supply and replace the fuse Fig 5 2009 Genave NRC Inc 9000 0000 009 Rev 3 Page 10 of 23 RXC 2000 Receiver Decoder Controller DC DC Converter Fusing When equipped with a DC DC Isolation supply the RXC 2000 power supply is fused for 2 amps Replace the fuse with a 2 Amp 5mm x 20mm 250 Volt fuse ONLY To replace the fuse pull the fuse holder cap twist the fuse out of the cap twist in a new fuse that is centered on the cap and replace the cap in the holder Battery Backup The RXC 2000 can be ordered with an optional sealed lead battery for backup power The battery is continuously charged from a 15 volt power supply through a blocking diode The battery voltage is maintained at 14 3VDC If the RXC 2000 is taken out of service or without power for more than three days disconnect the battery to prevent excessive discharge The battery has a gel electrolyte and cannot leak Replace the battery only with the same type and size DO NOT use wet cell batteries as a replacement Solar Option The RXC 2000 can be ordered with an optional solar charger The charge
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