CIRCUIT DESIGN STD-402TR Operation Manual Download Page 1

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SYNTHESIZED TRANSCEIVER

UHF FM-NARROW BAND

RADIO DATA MODULE

[Auto Mode Operation Guide]

Version1.1 (February 1999)

CIRCUIT DESIGN,INC.

International Business Division

7557-1 Hotaka,Hotaka-machi,Minamiazumi,Nagano 399-8303.JAPAN

Tel:++(0263)-82-1010 Fax:++(0263)-82-1016

web:http://www.circuitdesign.co.jp

e-mail:[email protected]

Summary of Contents for STD-402TR

Page 1: ...uto Mode Operation Guide Version1 1 February 1999 CIRCUIT DESIGN INC International Business Division 7557 1 Hotaka Hotaka machi Minamiazumi Nagano 399 8303 JAPAN Tel 0263 82 1010 Fax 0263 82 1016 web...

Page 2: ...serve this may result in the outbreak of fire overheating and damage to the equipment Remove the batteries when the equipment is not to be used for a long period of time Failure to observe this may re...

Page 3: ...l processes 2 automatic link 8 Explanation for internal processes 3 ID number registration 9 Explanation for internal processes 4 encoder 10 Explanation for internal processes 5 decoder 11 Explanation...

Page 4: ...i directional transmissions transmitter receiver but support for simplex communications bi directional is planned for the future Features The automatic link function automatically connects to channels...

Page 5: ...a new type of module 1 Automatic link The automatic frequency selection function consists of the Automatic Channel Search and the Automatic Link functions 1 The Automatic Channel Search is a system th...

Page 6: ...Programmable Encoder FSK DATA CLK LOAD Automatic Link Controller CPU DATA OUT Receiver FSK DATA CLK LATCH CPU STD 402 RX MODE 1 Automatic Link 2 Programmable Encoder Decoder 433 200 434 775MHz 25kHz...

Page 7: ...g mode 2 Set at channel 0 433 200MHz 3 The carrier level is detected and compared with the standard level 4 If the channel is occupied the frequency is increased by two channels 50kHz 5 If the channel...

Page 8: ...r is set at channel 0 433 200MHz 3 The carrier level is detected and compared with the reference level The reference level is different for the transmitter and receiver 4 If it is below the standard l...

Page 9: ...erent ID number the receiver will continue to search the channels until it finds an ID number that matches its own 0001 Serial NO 0001 ID Register 0001 Transmitter Receiver Serial NO 0002 ID Register...

Page 10: ...ication protocols to convert the automatic link ID numbers the various control data and the transmitted data into FSK data The entire data is called as a frame and the transmission data is inserted on...

Page 11: ...1 7 Timing chart The timing for the STD 402 RX mode is shown below The micro computer built into the STD 402 is equipped with a decoding function and communication protocols to convert the received F...

Page 12: ...ansmitting data between Transmitter and receiver The communication data is transmitted continually during transmission However the transmission data will not actually travel continuously at 4 800bps o...

Page 13: ...eral for RS232C communication LD CLK D IN D OUT LD CLK D IN LD CLK D IN Switch input Analog input Digital input AD converter module Parallel input module 74HC165 LE CLK D IN LE CLK LE CLK D OUT Relay...

Page 14: ...STD 402 is not equipped with these switches and LEDs If space or cost restrictions prevent the installation of the above mentioned hardware it is necessary to make circuit or equivalent board Ensure t...

Page 15: ...ting switch input and status output The LD port is the status output port Refer to Ports for further details on each port LE CH5 STD 402 10 12 Mode switch Setting switch LD 9 LED Oscilloscope CPU port...

Page 16: ...g switch 3 Release the setting switch 4 Commence the built in micro computer settings 5 Receive the setting data from the transmitter DATA rate is automatically set by the setting data 6 The LD port w...

Page 17: ...is run 6 The LD port will blink L and H in 0 3 second cycles if a disconnection is detected Recheck the connections and perform the settings again 7 The LD port will blink L and H in one second cycle...

Page 18: ...following procedure 1 Set the CH5 port to OPEN manual mode 2 Switch on the power supply while pressing the setting switch 3 Release the setting switch 4 Make the settings in the direct mode 5 The LED...

Page 19: ...llustration below and as the port is pulled up with resister the switch must be connected to the GND The setting switch can only be pressed when the power supply is switched on A communications error...

Page 20: ...D 402 auto mode Local ID numbers must be set for each of the receivers for identification purposes The ID numbers are set with the CH0 to CH5 ports The LD L reset signal is output and the data is clea...

Page 21: ...ports and performing the task manually or performing control by connecting into the micro computer port Use the method that best suits the application Refer to the table for the CH0 to CH5 port settin...

Page 22: ...D GND OPEN GND GND 27 28 OPEN GND GND GND OPEN OPEN 28 29 OPEN GND GND GND OPEN GND 29 30 OPEN GND GND GND GND OPEN 30 31 OPEN GND GND GND GND GND 31 32 GND OPEN OPEN OPEN OPEN OPEN 32 33 GND OPEN OPE...

Page 23: ...st MIX RX VCO TX VCO LPF TX POWER AMP PLL IC 1st IF BPF TX RX ANT SW 2nd MIX 2nd IF DET LPF 21 25MHz AF RSS 2nd OSC T R LE CH0 CH2 CH3 CH1 CH5 CH4 CPU DI VCC GND LPF REGULATOR LD RDY CLK 2 7V CAR STAT...

Page 24: ...ltage 3 AF O The AF output of the receiving section 4 DO O The data output from decoder section The port uses FET buffer output the H level is Vcc 5 T R I TX transmit mode RX receive mode setting The...

Page 25: ...0 LE I O The LATCH ENABLE signal output for external serial parallel register Setting mode switch input 11 RDY CLK O Serial data shift CLK signal output The data is shifted when the clock rises 12 13...

Page 26: ...range 433 200 434 775MHz Channel step 25KHz Number of RF channel 64 channels Baud rate 4800 9600bps FSK Modulation polarity Positive Demodulation polarity Positive Antenna impedance 50 1st IF 21 7MHz...

Page 27: ...600bps 511bit Pseudo Noise Receiving section characteristics Item Rating Conditions Receiver mode Double super heterodyne Sensitivity 117dBm 25 C 2 Spurious response 45dB 3 Selectivity 45dB 3 Local fr...

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