FUTABA FDL01TU Instruction Manual Download Page 10

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III

System Identification

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FDL01TU

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Summary of Contents for FDL01TU

Page 1: ...i WIRELESS DATA COMMUNICATION MODEM FDL01TU Wireless Modem with Serial Interface Instruction Manual Futaba Corporation Industrial Radio Control ...

Page 2: ...nce with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Any unauthorized changes or modifications to this device not expressly approved by Futaba Corporation could void the user s authority to...

Page 3: ...ty of your specific application please contact the appropriate people for help Your Futaba sales representative representatives of the equipment being controlled and the technical support staff at local branch of Futaba Corporation are among those who can provide assistance with your safety concerns The following warnings are included in the lists that follow but warrant repetition here In install...

Page 4: ...se serious or fatal injuries to the operator or nearby persons and cause damage to the FDL01TU system and any equipment it is used to control Please read and understand this manual completely and the manual of all equipment being controlled before attempting to operate or install this system Always keep this manual at a location readily accessible to anyone operating the system and related equipme...

Page 5: ...ation Safety Hazards and Notes When mounting the FDL01TU modem use M2 ISO screws that project 2 to 3 mm into the modem Screws that project further into the modem 3 5mm MAX may permanently damage the internal components and or cause the FDL01TU modem to malfunction Use only the proper regulated DC voltage supplied to the FDL01TU modem Use of any other voltage may permanently damage the modem and or...

Page 6: ...eep all systems and antennas clear of power lines Permanent equipment damage and severe shock injury or death can occur if the system contacts power lines This device has been designed to operate with an antenna having a maximum gain of 2 14 dB Antenna having a higher gain is strictly prohibited for use with this device The required antenna impedance is 50 ohms Contact Futaba before connecting any...

Page 7: ...s far away as possible from surrounding metallic structures Multipath problems occur easily at frequencies in the 2 4 GHz band When multipath problems are present moving the antenna as little as 10 cm may result in improved communication or conversely worsened or complete loss of communication Futaba recommends that the mounting position of the antenna be determined after testing and verifying opt...

Page 8: ...cted to excessive moisture such as rain or water spray dust oil or other foreign matter such as metal particles Doing so may permanently damage the modem and or cause it to malfunction If it does become wet or contaminated correct the situation verify proper operation and have any problems corrected before using it to control other equipment If necessary the modem can be mounted inside a protectiv...

Page 9: ...l default settings by reinitializing them See p 25 Memory REGISTER INITIALIZATION for more details Do not attempt to operate remotely controlled equipment outside the communication range of the FDL01TU system Doing so could cause loss of control of the equipment Without implementing proper serial communication flow control settings the baud rate between the modem and its terminal equipment wire li...

Page 10: ...o fill in the information below This information will help us respond as quickly as possible should your FDL01TU modem ever need repair or replacement Model Name and Number FDL01TU Serial Number Date of Purchase Distributor Name Distributor Address Distributor Phone Number ...

Page 11: ...NOT APPLY IF AMONG OTHER LIMITATIONS CONTAINED HEREIN OR FURNISHED WITH THE PRODUCT BUYER OR CONSUMER OR ANY USER OF THE PRODUCT A ALTERS SUCH PRODUCT OR B REPLACES ANY PART OF SUCH PRODUCT WITH ANY PART OR PARTS NOT FURNISHED BY FUTABA FOR THAT PURPOSE OR IF AMONG SUCH OTHER LIMITATIONS PRODUCT FAILS TO OPERATE PROPERLY OR IS DAMAGED DUE TO ATTACHMENTS OR COMPONENTS THAT ARE NOT FURNISHED BY FUTA...

Page 12: ...credit for returned items shall be made at Futaba s unfettered discretion Consumer will not be entitled to return defective goods for cash refunds Consumer must inspect goods immediately and no rejection or revocation of acceptance shall be permitted more than ten 10 days after delivery to or first use by Consumer of the goods whichever occurs first VI Patents Copyrights Trademarks Proprietary Rig...

Page 13: ...smission Mode 13 3 3 Headerless stream Mode 16 3 4 Power Down Mode 17 3 5 Frequency Grouping 18 4 4 4 4 FUNCTION CONTROL METHODS 21 4 1 Interface 22 4 2 Serial Interface Setting 23 4 3 Terminal Software Setup for Memory Register Control 24 4 4 Memory Register Setting 24 4 5 Command Control 26 5 5 5 5 MEMORY REGISTER DESCRIPTION 27 5 1 Memory Register Description 28 6 6 6 6 COMMAND SET DESCRIPTION ...

Page 14: ......

Page 15: ...1 1 SECTION 1 INTRODUCTION ...

Page 16: ... Time Division Duplex TDD provides virtual full duplex communication between terminal equipments at rates up to 230 4 kbps 76 user selectable frequencies allow up to 26 independent networks to operate simultaneously in the same area Single fixed frequency communication or multi access communication automatic selection of an vacant frequency from a defined group of frequencies allows the user to se...

Page 17: ...abutsuka Chosei Chiba 299 4395 JAPAN Tel 81 475 32 6173 Fax 81 475 32 6179 Internet www futaba co jp Europe PENDING When requesting repairs please provide as much detail as possible regarding the failure and its cause or symptoms Doing so will help our service department find the problem quickly resulting in a shorter repair time The FDL01TU modem contains no user serviceable parts If the unit req...

Page 18: ...available Signal is CMOS level 2 Antenna Connector A B Used to connect to antennas for transmit and receive functions 3 LEDs Four bi color LEDs indicate the states of the FDL01TU modem 4 Mounting Hole Used to install a modem from the front surface It is easy to install a modem however only two holes are available it should be fixed by guide structure on the other side of the unit to prevent vibrat...

Page 19: ...5 2 SECTION 2 SYSTEM INSTALLATION ...

Page 20: ... are 3 5mm deep for M2 screws When using this method use M2 screws which project the hole 2 to 3mm deep The screw tightening torque is below 2 5kg cm Mount the modem on a flat plane and be careful that there is no torsion applied For the position of the mounting holes see p 68 DIMENSIONS Figure 2 2 Mounting Method 2 Be careful not to allow water oil dust and other foreign particles especially meta...

Page 21: ... that the FDL01TU modem power and the power to the equipment to be controlled is turned off before connecting or disconnecting the cable between them This will help prevent accidental damage to the system and unexpected operation and or injury In addition to this manual read the operation manual of a PC Personal Computer and PLC Programmable Logic Controller to be connected 2 3 Antenna Connection ...

Page 22: ...s and enabling the diversity function in REG19 see p 27 MEMORY REGISTER DESCRIPTION Refer to the figures below for details about the actual mounting and connecting methods Figure 2 6 Connecting Two Antennas When using two antennas with a single modem for diversity reception mount the antennas as far apart as possible at least 6 cm If the antennas are too close the diversity advantage will not be a...

Page 23: ...ronments where it will be subjected to excessive moisture such as rain or water spray dust oil or other foreign matter such as metal particles Doing so may permanently damage the modem and or cause it to malfunction If it does become wet or contaminated correct the situation verify proper operation and have any problems corrected before using it to control other equipment If necessary the modem ca...

Page 24: ...etallic structures Multipath problems occur easily at 2 4 GHz frequencies When multipath problems are present moving the antenna as little as 10 cm may result in improved communication or conversely a further diminished or total loss of communication Futaba recommends that the mounting position of the antenna be determined after testing and verifying optimal communication conditions Negative multi...

Page 25: ...11 3 SECTION 3 SYSTEM OPERATION ...

Page 26: ... rapidly switching between transmitting and receiving simulating full duplex communication Data input to the sending FDL01TU modem are assembled together with error detection bits and other control data and then transmitted to the receiving modem If an error is detected by the receiving modem it will continue to request retransmission of the packet from the transmitting modem until it receives a v...

Page 27: ...e sender modem waits for the ACK packet and when it is received indicates that the transmission was successful If it does not receive an ACK packet it will continue to retransmit the data packet until it does receive an ACK packet or until the retransmission count REG11 or RNO command setting reaches the preset limit If the sender modem receives an ACK packet anytime during the retransmission atte...

Page 28: ...cket transmission mode Both text and binary data can be sent directly from modem to modem or sent through a third FDL01TU modem configured as a repeater The receiver modem automatically determines the transmitted data format and communication path from the information in the received packet header Refer to the table below for a list of the transmit commands and the corresponding header component T...

Page 29: ...er transmit TBR repeater address destination address source address message length message CR LF receive RBR repeater address source address message length message CR LF where source address is optional used in RS485 mode set by serial communication cable 12 pin The following list defines the parameters and symbols used in the commands above command header CR LF carriage return line feed destinati...

Page 30: ...s output Instead of outputting the receive header or the CR LF code the specific characters terminator is output which separates data to a transmission packet at the sender end Since the transmission packet contains the sender s address data format text or binary mode and the repeater address the headerless stream mode is compatible with the normal packet transmission mode and the interactive comm...

Page 31: ... Select the mode according to the power supply operating conditions such as battery powered application 1 Active Mode This mode is not the power down mode but always capable of transmitting and receiving data The modem is in the active mode when the power is turned on The current consumption is 110 mA maximum in this mode 2 RF Block Power Down Mode This mode shuts down the power supply of the RF c...

Page 32: ...４４５４２４５８６２４１０２４１３５６８５５２４５９６４８１１２４１４５９２５６２４６０６７２１２２４１５６１６５７２４６１６９６１３２４１６６４０５８２４６２７２０１４２４１７６６４５９２４６３７４４１５２４１８６８８６０２４６４７６８１６２４１９７１２６１２４６５７９２１７２４２０７３６６２２４６６８１６１８２４２１７６０６３２４６７８４０１９２４２２７８４６４２４６８８６４２０２４２３８０８６５２４６９８８８２１２４２４８３２６６２４７０９１２２２２４２５８５６６７２４７１９３６２３２４２６８８０６８２４７２９６０２４２４２７９０４６９２４７３９８４２５２４２８９２８７０２４７５００８２...

Page 33: ...terference problems and establishes wireless communications On the down side wireless link establishment delays will become longer when using the frequency group function multi access function because the additional time is required for searching the channels in the group with transmitting and receiving the packet on the both end of the modem The average connection delay will increase and the numb...

Page 34: ...20 ...

Page 35: ...21 4 SECTION 4 FUNCTION CONTROL METHODS ...

Page 36: ...13 Load Default Parameter INIT input Load default parameter when low 14 Reserved Reserved Reserved Table 4 1 Pin Descriptions 1 The serial communication connector s pin of the modem is defined as the DCE specification where transmission indicates input and reception indicates output 2 Pin 12 is for tri state control for RS485 driver CMOS RS485 level converter which will be externally mounted When ...

Page 37: ...on Interface configuration can be made with Pin 12 RS485ENB of the serial communication connector To configure the RS485 mode pull down Pin 12 with 10k ohm register In this case do NOT connect this pin DIRECTLY to the GND This is because in RS485 mode this pin will be as an output pin after the initialization completes to control the output buffer of the RS485 driver IC chip As for the RS232C inte...

Page 38: ...terminal equipment such as PC and their contents will be kept even after the power is turned off This non volatile memory can be rewritten about 1 million times 4 4 1 Memory Register Referencing and Setting Memory registers are referenced and set with the REG command For more information refer to REG section at p 43 COMMAND SET DESCRIPTION Example procedure 1 To view the current value of register ...

Page 39: ...nnector with the power turned off When the power is re supplied the memory registers are initialized and the modem starts operation in the factory default state Method 2 Set L level to Pin 13 INIT of the serial communication connector while the power turned on In this state force L to Pin 11 POWER ON of the serial communication connector more than 1ms then return the level to H The modem once beco...

Page 40: ...ust use all upper case letters A to Z The modem does not recognize lower case letters a to z in commands A two byte terminator carriage return 0DH line feed 0AH is used to terminate a command CR LF shows the terminator in this manual PC can send this two byte character with pressing ENTER key once using a communication software But some setting is necessary in the software The modem immediately ex...

Page 41: ...27 5 SECTION 5 MEMORY REGISTER DESCRIPTION ...

Page 42: ... text REG07 Packet Interval 05H 5 ms REG08 Repeater1 Address A00 not use REG09 Repeater2 Address A00 not use REG10 Command Header 40H character REG11 Retransmission Count 32H 50 count REG12 Roaming Threshold 50H 80dBm REG13 Buufer Data Timeout 1EH 30 s REG14 Command Input Timeoutl 32H 5 s REG15 Command Recognition Interval 00H 0 s REG16 Terminator 1 0DH CR REG17 Terminator 2 0AH LF REG18 Communica...

Page 43: ...transpalent mode and headerless stream mode Valid values are 000 to A23 1023 REG03 Reserved default value F0H The FDL01TU does not use this register Keep the default value as it is REG04 ID Code 1 default value 00H Used with ID code 2 REG05 set the ID code Valid values are 000 to 255 Together with ID code 2 up to 65535 ID codes can be set The ID code identifies the group of the modems works in the...

Page 44: ...ms is not allowed The default value is 5 ms Set this interval to a larger value than the receiving interval set by REG14 Suitable setting of this interval avoids the data collision possibility of RS485 line REG08 Repeater 1 Address default value A00 When a repeater is used set the repeater1 address to pass through REG09 Repeater 2 Address default value A00 When second repeater is used set the repe...

Page 45: ...nd header and the character following it and between each character of the command At the timeout the modem operation transits from command input state to data wait state Valid values are 000 to 255 representing tenths of seconds in 0 1 second increments Set an integer value equal to ten times the number of seconds desired A setting of 000 disables this timeout function REG15 Command Recognition I...

Page 46: ...er Keep the default value as it is Bit 4 Transmission format 0 transmit in the text form default value 1 transmit in the binary form Table 7 4 Transmission format Selects the transmission format When data are transmitted to the destination station which is set to the normal packet transmission mode output text format RXT RBN from the receiver modem destination station differs depend on this settin...

Page 47: ...eceipt Table 5 5 Destination address check When the destination address checking is active and the destination address in the received packet header does not match the received modem s local station address REG00 the data is discarded data cannot be received REG19 Communication Setting 2 default value 00H Bit 7 Reserved The FDL01TU does not use this register Keep the default value as it is Bit 6 D...

Page 48: ...This extend reception function solves such problems as above The data packet received during carrier sensing are received first by interrupting the on going transmission operation Bit 2 Receiving frequency change 0 Regularly change frequency within a group while waiting default value 1 Fix the frequency to wait while data can be regularly received Table 5 10 Receiving frequency change Set the chan...

Page 49: ...dd Even Parity Settings Invalid when bit 6 is set to 0 without parity Bit 4 Stop Bit 0 1 stop bit default value 1 2 stop bits Table 5 16 Stop Bit Settings Bits 3 0 Baud rate setting Bit 3 Bit 2 Bit 1 Bit 0 Setting 0 0 0 0 300 bps 0 0 0 1 600 bps 0 0 1 0 1200 bps 0 0 1 1 2400 bps 0 1 0 0 4800 bps 0 1 0 1 9600 bps default 0 1 1 0 19200 bps 0 1 1 1 38400 bps 1 0 0 0 Reserved 1 0 0 1 Reserved 1 0 1 0 ...

Page 50: ... set to 0 Software flow control uses XON and XOFF codes Bit 0 Flow Control 2 0 disable flow control 1 enable flow control Table 5 31 Flow Control 2 Settings Enable or disable flow control between the terminal and FDL01TU modem connected through the RS 232C serial interface This function should normally be enabled otherwise buffer overflow can occur and data may be lost REG22 Serial Interface Setti...

Page 51: ...ion OFF at disconnection 1 0 Remote modem DTR is transferred on local modem CTS CTS OFF at reset state 1 1 Remote DTR is transferred on local modem CTS CTS ON at reset state Table 5 21 DTR DSR Control Settings Bits 1 0 Reserved The FDL01TU does not use this register Keep the default value as it is REG23 Serial Interface Setting 4 default value 00H Bit 7 reserved The FDL01TU does not use this regis...

Page 52: ...s added to the received data or not At the receiver modem set to the packet transmission mode the sender set to the headerless stream mode side terminator CR LF character as default plus packet transmission mode terminator CR LF are output To avoid such redundant outputs set this bit of the modem in the normal packet transmission mode to 1 Bit 3 reserved The FDL01TU does not use this register Keep...

Page 53: ...onse nor the received data unless other modem s outputs any data to the RS485 line and interval time measuring becomes effect Bit 2 is used for the purpose of resolving this problem Bit 0 Global addressing command response 0 No P0 response to global addressing command default value 1 Respond P0 response to global addressing command Table 5 25 Global addressing command response Set to decide whethe...

Page 54: ...etting 0 0 Receive with the setting of REG18 bit7 to bit6 default value 0 1 Receive with the packet transmission mode 1 0 Receive with the headerless stream mode 1 1 Receive with the protokol of the received packet Table 5 21 Reception protocol REG25 Special Mode Settings 2 default value 40H Bit 7 3 reserved The FDL01TU does not use this register Keep the default value as it is Bit 2 Group address...

Page 55: ...t Table 5 29 Settings of the route REG26 Data input timeout default value 00H Sets the vacant duration time interval to recognize as the end of the message data input in the headerless stream mode REG27 Reserved default value 00H The FDL01TU does not use this register Keep the default value as it is ...

Page 56: ...42 ...

Page 57: ...43 6 SECTION 6 COMMAND SET DESCRIPTION ...

Page 58: ...D 16 RNO Reference and Set Retransmission Count 17 ROF RF Circuit Block Power Down 18 RON RF Circuit Block Power Up 19 RST Reset 20 SAS Reference and Set Local Station Address 21 STS Read Status 22 TBN Transmit Binary Data 23 TBR Transmit Binary Data Through Repeater 24 TID Display Local Station Serial ID 25 TXR Transmit Text Data Through Repeater 26 TXT Transmit Text Data 27 VER Reference Version...

Page 59: ...EG27 00H CR LF BCL Clear Transmit and Receive Buffers Syntax BCL Local Station Address Local Station Address local station address for 485 mode 000 to A22 Response P0 command accepted N0 command error Except 485 mode Function On headerless stream mode clears the contents of the transmit and receive buffers of the modem Example BCL CR LF clear the buffer contents P0 CR LF command accepted Example B...

Page 60: ...n address to 002 P0 connection established CON request wireless connection remote station 002 P1 connecting P0 connection established Time Division Duplex communication between terminals is established DCN request disconnection of the wireless link P1 disconnecting P0 connection established CON003 request wireless connection to remote station 003 P1 connecting P0 connection established CON004 requ...

Page 61: ...local station address REG00 must be set to communicate with the remote modem Communication cannot be established unless the addresses coincide with each other This command is not arrowed to use in 485 mode DBM Read Signal Strength Syntax DBM Local Station Address Local Station Address local station address for 485 mode 000 to 999 Response xxxdBm signal strength N0 command error Except 485 mode Fun...

Page 62: ...g P0 connection established DCN request disconnection of the wireless link N4 link is disconnected FRQ Reference and Set Frequency Group Syntax FRQ frequency group Local Station Address frequency group combination of frequency grouping method A to H and group number 00 to 75 See p 18 FREQUENCY GROUPING more details Local Station Address local station address for 485 mode 000 to A22 Response xxx cu...

Page 63: ... Numbers Notes Do not change this setting while the modem is being transmitted The maximum number of frequency groups available depends upon the selected grouping method INI Initialize All Memory Registers Syntax INI Local Station Address Local Station Address local station address for 485 mode 000 to A22 Response P0 command accepted N0 command error Except 485 mode Function Sets the all contents ...

Page 64: ...terminal equipment Data received while output is disabled is stored in the receive buffer When the modem s power is turned on or a reset the modem is in the state to enable the received data output Example ODA CR LF disable the output of received wireless data P0 CR LF command accepted Data is not output during this period even if received OEN CR LF enable the output of received wireless data P0 C...

Page 65: ...e and Set Repeater Address Syntax PAS Repeater Address1 Repeater Address2 Repeater Address repeater address to pass through Response xxx xxx current address reference P0 command accepted setting N0 command error Function In the headerless stream mode references and sets the repeater address to pass through When no repeater address is set the current setting can be referenced This command is used t...

Page 66: ...er to be set 00 to 27 value value to be set Input 2 hexadecimal digits 0 through 9 and A through F followed by the number radix designator H Local Station Address local station address for 485 mode 000 to A22 Response xxx current value reference P0 command accepted setting N0 command error Except 485 mode N6 memory register write error Function References or sets memory registers The current regis...

Page 67: ...with the RDA command Example RDA CR LF disable wireless reception P0 CR LF command accepted REN CR LF enable wireless reception P0 CR LF command accepted RID Display Received Serial ID Syntax RID Local Station Address Local Station Address local station address for 485 mode 000 to 999 Response XXXXXXXXXXXX displays the received serial ID code 12 digits N0 command error Except 485 mode Function Out...

Page 68: ...00 to A22 Response xxx current set value P0 command accepted N0 command error Except 485 mode Function This command references or sets the number of retransmissions retransmission count to attempt before making decision as transmission failure The current value can be referenced by issuing the command with no parameter RNO command is used to temporarily change the retransmission count To change th...

Page 69: ...ck after its power down state set by the ROF command The status when the modem is powered ON or reset the RF circuit block is in the operation state Example ROF CR LF turn off RF circuit block P0 CR LF command accepted RON CR LF turn on RF circuit block P0 CR LF command accepted RST Reset Syntax RST Local Station Address Local Station Address local station address for 485 mode 000 to A22 Response ...

Page 70: ...9 Response xxx current value reference P0 connection established setting N0 command error Function References or sets the local station address The current value can be referenced by entering this command with no parameter For setting input the desired value to set The SAS command is for temporary local address and setting To more permanently change the local station address value use REG00 Exampl...

Page 71: ... mode N1 data transmission failed no response from destination station N2 data transmission failed destination station is in the reception disabled state N3 data transmission failed destination station cannot receive because its receive buffer is full Function Transmits binary data in the packet transmission mode Any message length between 1 to 255 bytes is accepted The modem counts the number of ...

Page 72: ...ion failed destination station is in the reception disabled state N3 data transmission failed destination station cannot receive because its receive buffer is full Function In the packet transmission mode transmits binary data through repeater Any message length between 1 to 255 bytes is accepted The modem counts the number of message characters and transmits the message For broadcasting messages ...

Page 73: ...e serial ID code is no relation with ID code setting of REG04 and 05 Example TID CR LF requests the modem s local serial ID code XXXXXXXXXXXX CR LF outputs the modem s local serial ID code TXR Transmit Text Data through Repeater Syntax TXR repeater address destination address Local Station Address message repeater address address of repeater to pass through 000 to 999 destination address address o...

Page 74: ...ion address Local Station Address message destination address address of destination station 000 to A23 Local Station Address local station address for 485 mode 000 to A22 message any text data 255 or less Response P0 data transmission succeeded P1 command accepted data being transmitted N0 command error Except 485 mode N1 data transmission failed no response from the destination station N2 data t...

Page 75: ...em distinguishes it as the end of a command and ignores the subsequent data In such a case use TBN command In broadcast transmission the receiving result of the destination station cannot be confirmed at the sender side VER Reference Version Information Syntax VER Local Station Address Local Station Address local station address for 485 mode 000 to 999 Response Program Version x xxx Hardware syste...

Page 76: ...62 ...

Page 77: ...Futaba Corporation Rev 020323 01 7 APPENDIX 7 SECTION ...

Page 78: ... necessary Tie down unused input pin s to GND and leave the 485ENB pin open Figure B 1 RS 232C Level Conversion Circuit 7 1 2 RS422 Level Converter Wire the output terminator 100 ohm of the RS422 line driver the input terminator 100 ohm of the receiver the input pull up 1k ohm and the input pull down 1k ohm when necessary Provide a surge absorber e g Z2012 made by Ishizuka Denshi when long RS422 l...

Page 79: ...y Ishizuka Denshi according to the situation Figure B 3 RS485 Level Conversion Circuit 7 2 Specification of the Connectors 1 Serial Communication connector Connector MOLEX 53780 1490 14 pins Mating Plug MOLEX 51146 1400 2 Antenna connector RF connector HIROSE U FL R SMT The antenna connector is guaranteed for 30 times of plugging in out When plugging out the antenna connector use the specially pre...

Page 80: ...link control Command control Error checking CRC CCITT 16 bit Error handling ARQ Automatic Retransmission Request Multi access function Connect on clearest channel from selected frequency group 7 3 3 Data Terminal Interface Physical interface Molex 53780 1400 14 pins Mating connector 51146 1400 Interface specification Serial communication Input CMOS level 5V tolerant with hysteresis Output CMOS lev...

Page 81: ...teel plate Outer dimensions 30 W 50 D 8 H mm Weight Aprox 14g Operating distances depend on the conditions such as obstructions and electrical interference Under ideal line of sight conditions reliable operating distances greater than specified may be achieved Optional directional antennas can significantly increase the operating range Specifications and appearance are subject to change without pr...

Page 82: ...68 7 4 Dimensions 7 4 1 FDL01TU 7 4 2 Communication Cable ...

Page 83: ...a Chosei Chiba 299 4395 JAPAN Tel 81 475 32 6173 Fax 81 475 32 6179 Internet www futaba co jp In the United States Futaba Corporation of America Industrial Radio Control Department 1605 Penny Lane Schaumburg IL 60173 Tel 847 884 1444 Fax 847 884 1635 Internet www futaba com In the Europe Pending ...

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