FALCON NET - via traffic controlling gmbh
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1. FALCON NET lsolated RS485 RS232 Adapter User manual Revision 03 December 2008 Subject to technical change _ via Maybachstrasse 39 _ traffic D 51381 Leverkusen controlling Tel 49 0 2171 50 49 30 a gmbh Fax 49 0 2171 50 49 50 B Email info viatraffic de kT yy 1 OVERVIEW 2 ADAPTER ELEMENTS LEDS CONNECTORS AND SWITCHES 2 1 Connectors and pin connection 2 2 Baudrate switch settings 2 3 Bus termination resistors 3 ADAPTER RS232 SERIAL DATA COMMUNICATION 3 1 Cable connection to a terminal or a traffic controller 3 2 Data transmission and software 3 3 Getting started with a PC or Laptop 3 4 Adapter detector data output 3 5 Adapter detector parameter input or request 3 6 Adapter configuration and parameters 3 6 1 Checksum selection for the network binary protocol 3 6 2 Terminal echo 3 6 3 Delimiter output data field separation 3 6 4 Gap units 3 6 5 Handshake 3 7 Adapter error messages 4 ADAPTER RS485 BINARY PROTOCOL SEE FALCON NET MANUALS 5 ADAPTER HOUSING DIMENSIONS AND MOUNTING 5 1 Housing dimensions 5 2 Plug in connector technical data 6 ADAPTER TECHNICAL DATA 6 1 Data processing and transmission 6 2 Power supply and interface electronic protection 6 3 Power supply and interface ratings 7 APPENDIX A HYPERTERMINAL CONFIGURATION 8 APPENDIX B UNDOCUMENTED FALCON NET FUNCTIONS 8 1 Binary data block format 8 2 Function send still alive message2. M 3 01 M n 01 If you get garbled messages or nothing on your terminal check the baudrates and other data transmission parameters 8 data No parity 1 stop bit 3 4 Adapter detector data output Falcon Net detector data are delivered by the adapter as follows data type detector address data Data block Meaning Meanings S O MEER femera mesagero 025s O OO Peepe emsoss o WE ep e wamingno 0255 o PACE h maomao Piki pk mmea Boos E PERE BR mmeerssses SSS PERE RE rmmccesecs som SSS PEACE Mb rwanccrnseosaoem Oooo PEE ER ronmcceGar sssini ooo PEACE Dp ossineer DETE on seseina Ei PERE e b pammeter CRC shesksm 0710 tor LROICRC eng PEACE h e T parmar DiR 1723 ononinaeinrtesioa watie decern PEACE Jo N p owaneerdctesorneworkadtew rones PL ak usk parameter send still alive message 0 1 off on PACE fr b faaee seir et repon concorses mareas PLACE p feer sotare vesion e g 31 readonly i EAT measure data unidirectional modes oncoming or leaving speed in km h reflection value net gap 0 00 655 35 s TICE ha F f pensare da item modes oncoming veil dma secanove TICE ho F f nse da icon modes ving ele daa seeabve with d decimal ASCII integer value f decimal ASCII float value listed parameters and their value range refer to the detector Falcon Net II and II for the Falcon Net I see its manual see list of yet undocumented functions in chapter 8 for description via t
3. 8 3 Function message counter 8 4 Function suppress message repeat 8 5 Function set detector address as a Aa o N O ODOCCMANI y Ana uum A p So _ pmi m O l p p pal eo N we N A ee Be pe e NN AA aA Oo Isolated Falcon Net Adapter July 2004 9 APPENDIX C DECLARATION OF CONFORMITY CE 17 via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 1 September 11 1 Overview The Falcon Net RS485 RS232 Adapter with electrical galvanic isolated RS485 driver side is used to connect a RS485 network of Falcon Net radar detectors to a traffic controller by a RS232 serial interface Fal nou RS232 aicon A ahaa Seen Net optional G A g 1 won OEIC Ades 4 station no Illustration 1 Falcon Net RS485 network bus The single duties of the adapter from the view of data communication are e to convert the electrical standard RS485 data signal to RS232 data signals and vice versa e to check and buffer binary and ASCII data messages and handle the needed network handshake on the RS485 side e to convert the network binary data protocol in a terminal readable ASCII text data protocol and vice versa e to work as a simple line oriented editor with character echo for a manual setting of the Falcon Net detector parameters with a connected terminal e to decouple the data transmission
4. RS485 Terminal B yet not supported do not use 3 RS485 Falcon network 3 RS485 Falcon network 3 RS485 Falcon network 3 RS485 Falcon network 4 RS485 Falcon network RS485 Terminal A 4 RS485 Falcon network RS485 Terminal B Data USB yet not supported do not use Table 1 Isolated network adapter pin connections The adapter will be delivered in general with 3 female screw cage plug in connectors Connector 1 Power and RS232 is for the power supply and the RS232 serial interface Connector 3 and 4 offer the possibility to connect up to 4 RS485 bus cables to the Pins Terminal A and B If this is done the network has no proper bus topology anymore 4 parallel buses what results in impedance mismatch but works in practice with short cables Proper bus topology means one cable connected and the adapter is located at one bus end Still proper is to have the adapter at any point of the bus with two cables of two network parts connected For proper RS485 network design and more information see for example the application note Guidelines for Proper Wiring of an RS 485 TIA EIA 485 A Network from the website www maxim ic com Connector 2 of the adapter is covered and reserved for future interface designs via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 4 September 11 2 2 Baudrate switch settings The position of hexade
5. bachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 10 September 11 3 7 Adapter error messages Error messages Meaning Adapter RS232 line too long The input line length was more than 18 characters for this reason the line was erased Adapter RS485 receive buffer overflow Though the RS485 FIFO input buffer is 60 data blocks deep an overrun occurred you need to increase the RS232 data transmission speed or take out some detectors of the net Adapter power failure The microprocessor power supply sank below 4 5 Volt Check the power supply Adapter watchdog failure Watchdog message that a system hang up occurred Adapter default parameter set If the message appears after the first factory initialisation it indicates that the EEPROM CRC parameter checksum is wrong 4 Adapter RS485 binary protocol see Falcon Net manuals Please refer to the Falcon Net manuals for the description of the binary data protocol parameters and values handshake and timing A description of the not in the manuals documented functions are found in chapter 8 5 Adapter housing dimensions and mounting The light grey Ma a n E is designed for the fast plug in mounting on 35 mm DIN mounting rails The adapter back is equipped with a spring force snap in lock With a screw driver pulled against the spring force the adapter can easily taken off the mounting rail The housing is designed for
6. cimal coded turn switch with marked positions 0 F determines the data transmission speeds baudrates on the RS485 Falcon network side and on the RS232 side For each side a choice of 4 selections can be made The meaning of the single switch positions follows in Table 2 Baudrate RS485 network side Baudrate RS232 interface switch position Baud Baud Table 2 Baudrate switch settings The baudrate switch is labelled input output baudrates on the adapter front view see also Illustration 2 The Baudrates of receiver and transmitter in a communication connection must be set equal On the RS485 Falcon network side equal to the baudrate of the Falcon Net detectors as determined by their baudrate setting switch On the RS232 side equal to the terminal or traffic controller baudrate setting 2 3 Bus termination resistors Illustration 2 shows a 2 pole dip switch labelled input resistance If the upper switch labelled 240 Ohm is in On position a resistor of 240 Ohm is connected between Terminal A and B The lower switch connects a 120 Ohm resistor between pins Terminal A and B Therefore moving both switches in On position results in 80 Ohm A proper network bus should be ended at each bus end with a termination resistor of 120 Ohm resulting in the maximal allowed load of 60 Ohm between Terminal A and B wire The 120 Ohm line termination R 2 relates to the impedance of a 24AWG RS485 cable The prope
7. data block per vehicle format vehicle default delimiter with checksum and handshake D address speed reflection gap CRLF Data buffer size 1 ASCII line 10 data blocks LIFO transmit Data buffer size receive 1 ASCII line 40 data blocks FIFO Maximum cable length 100 m 9600 Baud 1300 m 115 2 kBaud Transmission procedure asynchronous asynchronous full duplex half duplex XON XOFF supported CSMA CD with handshake 6 2 Power supply and interface electronic protection Additionally the RS 232 driver lines are suppressor diode 15 V 600W protected against ground The Terminal A against B line is also protected with 15 V suppressor diode Power supply protection against Series connected protective diode reverse connection Power supply EMC protection Varistor 38 V Suppressor diode 39 V 600 W 1 ns response time Current compensated inductive coil filter Power supply overload Miniature fuse 1 A on circuit board EMC transient burst protection 8 kV contact discharge RS485 bus and RS232 drivers 15 kV air gap discharge acc IEC 1000 4 2 Isolation RS485 terminal lines 2 75 kV DC via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 13 September 11 6 3 Power supply interface and general ratings Rating Power supply input voltage range Current consumption Input ripple voltage RS485 driver Nu
8. e adapter is possible with the 5 status LEDs visible on the front side The green power PWR LED is lit as soon the microcontroller cpu of the adapter is started The two groups of LEDs labelled RS232 and RS485 indicate data transmission Tx or reception Rx on either communication side All LEDs are directly controlled by the cpu Therefore if the cpu is broken where will be also no indication of data reception anymore The adapter has 4 male connector sockets which allow to plug in 4 _ vibration safe female connectors The transparent front clap window should be kept closed for humidity and dust protection of the switches Nica Cees eee Pee Illustration 2 Isolated Falcon Net RS485 R232 Adapter lt via traffic controlling GmbH Maybachstr 39 51381 Leverkusen amp 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 3 September 11 2 1 Connectors and pin connection Illustration 2 shows 3 out of 4 possible mounted connectors their numbers and labels and the pin numbers The description of the pin connections follows in Table 1 1 Power and RS232 0 V ground 1 Power and RS232 8V 38V supply voltage 1 Power and RS232 RxD RS232 receive data 1 Power and RS232 TxD RS232 transmit data 2 RS485 and USB Controller 2 RS485 and USB Controller Data USB yet not supported do not use 2 RS485 and USB Controller RS485 Terminal A yet not supported do not use 2 RS485 and USB Controller
9. ed RS485 driver Transient surges over voltage pulses can result from lightning discharge switching operations or any capacitive inductive or resistive coupling in an electric systems Transient surges have fast rise times of a few us and endure till 100 us At maximum RS485 baudrate of 115 2 kbaud the cable length of the RS485 bus could be extended till 1 km or much more at lower data transmission rates The potential ground difference between the not isolated adapter host ground and the detector client ground was limited to 15 Volt Otherwise the RS485 driver would have been damaged For the new isolated adapter less care must be taken because the isolations withstands 2 75 kV DC potential difference If the suppressor diodes 600W were thermally destructed at the earlier not isolated adapter e g by permanent current flow due to too high potential differences between the RS485 drivers connected to the net transients or over voltages could damage the adapter maybe also over the power supply or the RS232 interface other electrical systems For the new adapter this kind of damages can be excluded The new isolated adapter features isolated potential free RS485 communication lines over voltage protected power input as well as transient surge protected RS232 data interface Additionally the adapter configuration parameters are now non volatile EEPROM based 2 Adapter elements LEDs connectors and switches An operation control of th
10. erting R returns from menu selection and lt ESC gt R can be used to have the current parameter setting listed 3 6 1 Checksum selection for the network binary protocol Several data block checksum types for the RS485 network communication are supported The escape sequence ESC C 1B 43 hex sends a menu where the checksums can be chosen Select Checksum lt 0 gt LRC lt 1 gt CRC 1021 hex 1 lt 2 gt CRC CCITT Choose 0 1 or 2 2 CRC CCITT set After selection the current active checksum for the adapter is changed as well as the checksums for all detectors in the network All data blocks from the detectors to the adapter are ended at the last byte position s with a communication error checksum The one byte LRC checksum is calculated from all data block bytes with the bitwise logical antivalenz function as follows LRC byte Byte 1 xor Byte 2 xor Byte 3 xor Byte n The aside 16 Bit CRC checksums are generated with CRC 102th CRC CCITT 4 serial bitwise modulo 2 division by the polynomial IAR HL Despite the fact that the generator polynomial is defined exist many different 1021 hex 1021 hex ways to calculate the checksum 0x0000 hex Oxffff hex Therefore Table 3 states the CRC generation ing the Ross Williams Parameterized Model 2 oe For CRC Algorithms For more information check e g the websites www ross net cre for the document A painless guide to CRC error detection XorOut 0x0000
11. he other input fields are shaded grey in consequence because they are not needed for direct port connection this fields are only used with modems see Illustration 6 Finally you have to insert or chose the data transmission parameters via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 15 September 11 M1 Properties Illustration 7 Use the baudrate value as set by the baudrate switch for the RS232 communication see chapter 2 2 the other data format parameters set as shown in Illustration 7 8 N 1 Xon Xoff After this is done and the COM properties dialogue is ended with the OK button the empty terminal screen appears Connect the Falcon net RS485 RS232 adapter with the prepared cable to the serial COM port of your PC and supply the adapter with power lt via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 16 September 11 8 Appendix B Yet undocumented Falcon Net functions 8 1 Binary data block format Following functions and parameters are added to the one described in the digital Falcon Net reference guide Data block byte position afeh fassi Te poues er ETT i emee O PTT TTT Tras bye 0 15 deers TESTI ERT TTT Foon address tt 015 detectors 33 255 hosts TTT Tr Tet inetud ERCTCRC cecksumn TPT omand se parameter or parameter repor message E o E emee
12. hex 0x0000 hex t algorithms or the site rcswww urz tu 0x31c3 0x29b1 dresden de sr21 crc html for sample checksum calculations Table 3 CRC parameter model The CRC CCITT is the checksum build as recommended in the ITU former CCITT recommendations X 25 and T 30 Preferably the CRC checksum 1021h should be chosen because its error detection probability is with 99 9969 till 100 depending on the error type much higher than of the LRC and it is supported by all Falcon Net detector types 3 6 2 Terminal echo Every data input character from a connected terminal is echoed start up default You can switch off the echo with the input sequence ESC E IB 45 hex and the adapter message Echo off will appear This is a toggle switch therefore repeating the action switches the echo on again The escape characters by themselves are never echoed The 8408 generator polynomial is not supported anymore via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 9 September 11 3 6 3 Delimiter output data field separation The default delimiter semicolon for the data output can be changed The escape sequence ESC D delimiter will be prompted with Insert delimiter The insertion of a new delimiter changes the so far delimiter to the new one Following delimiters are possible horizontal tab OB hex space 20 hex colon 2C he
13. i o o TTS TEE TS see i ative message 7 Torde Taeivaed AR xe fe esee counter O Tor detaia TTT Ta Tie E Aspres mesage repeat lt 0 oroo ET Sse detector address renge0 15 C command parameter sats reese TT Toemen nion L ed sits of send sil alive mesage Tonon TTR TTF serait of mesage counter meio TTT TTF sre ts oF press message repeat Fanon CETTE T en programmed dereer Following shortings are used X hexadecimal number 0 255 0 FF hex E LRC 0 FF hex 1 byte or CRC 0 FFFF hex 2 byte checksum 8 2 Function send still alive message Activated this function forces the digital Falcon Net II to send the result of the cyclic all 327 68 seconds done self test to the host system Self test and result report are described in the Falcon Net II reference guide Default setting off 8 3 Function message counter Activated this function adds a 4 bit message upcounter 0 1 15 0 1 for every new created message from the detector to the host in the upper nibble of the data block length byte data block byte no 4 Default setting off The LRC CRC checksums are created over the send message including the message counter The Falcon Net II Adapter version 3 01 ff ignores an added message counter via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 17 September 11 8 4 Function suppress message repeat The sup
14. ission with printable ASCII characters For the reception to display and insert characters on your PC or laptop you may use a so called terminal software A specific data transmission program is not needed You may use the Hyper Terminal program from Microsoft Windows which is part of all Windows operating systems from Windows 95 NT till Windows XP Under Windows 3 1 or Windows 3 11 for workgroups exists the program Terminal For DOS countless terminal programs like Norton Terminal Telix XCOM and so on are available How to start and configure the Hyper Terminal program see chapter 7 3 3 Getting started with a PC or Laptop When the wiring is done and the baudrate switch is set the RS485 RS232 adapter sends following start message lsolated RS485 RS232 Falcon Net Adapter Version 1 01 07 29 04 by via traffic controlling Adapter ready All adapter messages start with a quotation mark so they can be easily filtered out All messages send by the adapter end with a carriage return line feed OA OD hex The following chapters shall be read and understood together with the manuals of the used Falcon Net detector type via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 6 September 11 If there are connected network detectors powered up at the same time you should get the detector startup messages as well M 1 01 M 2 01
15. mber of transceiver on bus Driver output voltage A B Receiver input voltage A B Differential driver output voltage Se E a Driver short circuit current a a 250 Input resistance Driver load RS232 driver MAX202 TxD output voltage swing RxD input hysteresis Flow lt 08 o high gt 2 4 RS232 input resistance RS232 and RS485 connected gt Against isolated ground potential free gt Suppressor diode connected with 15 Volt limitation 4 with 3 kOhm load via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 14 September 11 7 Appendix A Hyper Terminal configuration To find the Hyper Terminal in the Microsoft Windows task bar click on the start button in the task bar and then Programs Accessories Communication Hyperterminal onnection Description Jlluctratian q Illustration 6 Start the program with a mouse click If you use the program the very first time a message prompt appears with the question if you want to define a modem connection Quit with the No button Insert in the dialogue Connection description a name for the session and chose an icon see also Illustration 5 Confirm with the OK button In the next window you have to define the interface to which the connection shall be done Select a defined port designation in the selection field Connect using e g COM1 or COM2 T
16. ompatibility directive 2004 108 EC Harmonised standards applied EN 60950 1 2006 11 A1 2007 11 EN 55022 2007 04 EN 61000 6 4 2 2002 08 2006 03 Address Via traffic controlling MaybachstraBe 39 D 51381 Leverkusen Place date of issue Leverkusen 03 December 2008 Va Name and signature Dipl Ing FH J GeBler f via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50
17. press message repeat function forces the Falcon Net II detector not to wait for a response send back detector address of the connected host to his messages Herewith he also does not repeat already send messages because he does not get the host response Acknowledge Messages are only repeated if the sending detector states a message collision when he reads back his message bytes from the data bus Default setting off 8 5 Function set detector address The digital Falcon Net II detector can be programmed to a network detector address in a two point connection before installed in a network If the address is set not 0 the EEPROM based adress overrides the hex switch set detector address on the interface socket If this address is reset to 0 by the undocumented function N then the set hex switch adress is valid again This function cannot shall not be used in the network Default setting 0 not valid active hex switch setting active The address change gets valid with the parameter N set response 9 Appendix C Declaration of conformity CE Declaration of Conformity The manufacturer Via traffic controlling GmbH Declares that the product Isolated RS485 RS232 Falcon Net Adapter Intended purpose Network communication adapter Complies with Health and safety requirements according low voltage directive 2006 95 EC Protection requirements concerning electromagnetic compatibility according electromagnetic c
18. r bus cable termination avoids signal reflections and in consequence signal deformations bits per second via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 5 September 11 For proper RS485 network design and more information about bus termination see for example the application note Guidelines for Proper Wiring of an RS 485 TIA EIA 485 A Network from the website www maxim ic com 3 Adapter RS232 serial data communication 3 1 Cable connection to a terminal or a traffic controller The table aside shows how to connect the Falcon RS485 RS232 Adapter to a traffic controller or a terminal This 1 called null mod 9 pole DSUB connector Adapter connector is is a so called null modem P d RS232 connection with crossed RxD ower an eee RxD GND For the connection a shielded 3 wire cable is needed Further data transmission control wires need not be connected because the Falcon RS485 RS232 Adapter does not support a hardware handshake The critical maximum cable length for a RS232 V24 data transmission can be estimated according following formula cable length 10 Baudrate 10 9600 100 meter 3 2 Data transmission and software For configuration maintenance or data logging purposes of the RS485 RS232 adapter or the Falcon Net detectors you may wish to connect a PC or laptop The data transmission is a pure text transm
19. raffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 7 September 11 All binary detector data values are reformatted by the adapter and delivered as ASCII decimal or float values the variable length of the ASCII strings depends on the data and address values 1 15 The LRC or CRC checksums for binary data blocks on the RS485 network is tested and the receipt detector address handshake is given For the RS 232 side no checksum is supported For the description of the parameters refer to the Falcon Net I II or IN manual chapter program parameter set For the description of Falcon Net detector error and message numbers refer also to manual of the used Falcon Net type 3 5 Adapter detector parameter input or request The command line input to initialise or change the Falcon Net detector parameter set is as follows Start letter A detector address P parameter type parameter value The command line request to get the data of the detector parameter set is as follows Start letter A detector address parameter type For the parameter type the first letter of the detector parameter name for example D for DETE Detection on off has to be used see also Falcon Net manuals One exception is the parameter DIR where the letter T must be used Example 1 Set the parameter SENS 2 for detector no 8 A8PS2 Example 2 Req
20. speed baudrate on RS232 and RS485 side The optional use of the isolated RS485 RS232 adapter makes sense if the user needs a quick and easy solution for the further data processing Particularly if the traffic controller host has no RS485 port or is not able to run interrupt based RS485 port service routines collecting the data calculating the checksum and serve the binary protocol handshake of the network detectors for e g performance reasons On the other hand is the RS485 RS232 Adapter a bottleneck in the data transmission for two reasons the data transfer rate on the RS232 side of the adapter is limited to 57 6 kbaud to transmit the same information of a binary data block a ASCII data block of more than double byte length in average is needed what means double data transmission time Therefore the adapter should not be used on nets with many detectors above very busy roads at low baudrate settings where maximum data transmission performance would be needed The earlier not isolated adapter versions were mainly designed for development purposes or small applications in more or less protected environments e g tunnels via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 2 September 11 Although the RS485 driver lines of the earlier adapters were protected against transient surges by suppressor diodes they had no electrical isolat
21. the use in protected cabinets Therefore the protection class is just IP43 if mounted on the carrier rail Illustration 3 Spring force snap in lock lt via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 11 September 11 5 1 Housing dimensions The housing dimension are 99 x 22 5 x 113 6 mm The total length mounted on the carrier rail AC Illustration 4 Housing drawing is 114 5 mm Additional space of 20 till 30 mm must be foreseen below and above for the installation of the plug in connectors with cable The weight of the adapter is 125 gr without connectors 5 2 Plug in connector technical data The used connector are Phoenix MC 1 5 ST 5 08 Their data follow in Table 4 Phoenix MC 1 5 ST 5 08 Min Max wire diameter flexible or rigid 0 14 2 5 mm AWG 24 12 Wire sheath cutting length Max operating voltage current 250 V 8A Table 4 connector technical data via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 12 September 11 6 Adapter technical data 6 1 Data processing and transmission es RS232 side RS485 side 8 data 1 stop no parity bit 8 data 1 stop no parity bit Communication type multi point network 4 8 9 6 19 2 or 57 6 kbaud 9 6 19 2 57 6 or 115 2 kbaud Measurement data ASCII decimal line per binary
22. uest the parameter setting of ADJF_A for all detectors A0 A All lowercase input letters are automatically converted to uppercase by the adapter The backspace character can be used to delete wrong characters in the adapter input line buffer Input lines must be completed with carriage return or line feed lt Enter gt key There is no time limit for the completion of an input string Data messages from the detectors may split an command insertion on a connected terminal 3 6 Adapter configuration and parameters In contrary to earlier adapter versions the isolated RS485 RS232 Falcon net adapter parameter are EEPROM based and therefore non volatile The parameter set integrity is checked after power on and after parameter changes with a 16 Bit CRC checksum When receiving an ESC IB hex character a short menu with the current parameter setting is send from the adapter to a connected terminal Parameters lt C gt Checksum CRC 1021h lt D gt Delimiter lt E gt Echo on lt G gt Gap units 10 ms lt H gt Handshake on lt R gt Return Select Inserting C D E G or H selects the options prescribed in the following chapters Automatic programming sequences may send lt ESC gt and selection character without delay and ignore the menus via traffic controlling GmbH Maybachstr 39 51381 Leverkusen 49 0 2171 5049 30 Fax 50 Isolated Falcon Net Adapter 8 September 11 Ins
23. x and semicolon hex 3B If the delimiter is changed the new delimiter is stated e g Delimiter for horizontal tab Especially for a tabular formatted data output the horizontal tab delimiter will be of interest 3 6 4 Gap units All Falcon Nets transfer a 2 byte counter for the inter vehicle net time gap The Falcon Net I transfers the gap in 50 ms units range 0 3276 75 seconds the Falcon Net II and HI delivers the gap in 10 ms units range 0 655 35 seconds The adapter delivers the gap in seconds as an ASCII floating point value For the correct calculation the gap units must be selected With lt ESC gt G following menu appears Select GAP units lt 1 gt 50 ms Falcon Net I lt 2 gt 10 ms Falcon Net Il and III Choose 1 or 2 2 If 2 is chosen 10 ms GAP units set is confirmed 3 6 5 Handshake With the insertion lt ESC gt H the RS485 software handshake of the binary protocol can be switched off If switched off the adapter sends Handshake off This option is a toggle switch Data blocks send from the detectors to the adapter are then not confirmed with the detector address anymore This option is useful when you operate more than one adapter in a Falcon network e g for data logging or test purposes to avoid that the handshake is done more than once respectively the address byte is destroyed by synchronous adapter bus accesses via traffic controlling GmbH May
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