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Components and Operation

HG 71912-A

English, Revision 02, Date: 12.07.2011

22

4.3.2.3

CAN OPEN (Version HG 71912ZA/XA)

The interpreter HG 71912-A has a CAN interface with CANopen

®

 protocol (DS 401).

The measured values of the system (transponder code and status) are transmitted via 
a so-called TPDO. The parametrization of all relevant parameters (including Node ID 
and CAN transmission rate) is realized over the SDO or the serial monitor. The CAN 
identifiers derive from the node address (1..127).

Description Of The Process Data Object (PDO)

Fix places are allocated in the PDO, a dynamic mapping is not designated.

The TPDO with the identifier 0x180 + node address is sent.

The PDO operational mode can be set to cyclical, synchronous or asynchronous 
mode. In order to avoid a bus load being too high due to constant changes during 
asynchronous mode with non-cyclical transmission (Event time = 0), the so-called In-
hibit time can be set in the CAN menu of the serial monitor. A PDO can also be trans-
mitted cyclically, therefor the event time has to be chosen correspondingly and 0 has 
to be chosen for inhibit time.

A TPDO can be activated permanently by choosing in the synchronous mode (255) 
inhibit time = 0, event_time = 0 and saving of the parameters. 

Additionally the it can be (de)activated temporary by setting/deleting the highest bit in 
the corresponding PDO-COB identifier [1800,01]. 

The TPDO contains 6 bytes consisting of a 32 bit transponder code and a 16 bit status, 
which corresponds to the status shown on the serial monitor. The meaning of the data 
bits is shown in the following table:

The meaning of the status bits is explained in table 7, "Possible system notes / error 
messages" on page 19. The following bit is new:

The synchronous identifier is 0x80. It can be read under index [1005,00], but it cannot 
be changed.

Channel

Number 
representation

Value range (Hex)

Meaning

Code

Unsigned 32

00000000..0xffffffff

Code bits 0..31

Status

Unsigned 16

0000..0xffff

Status bits 
0..15

Table 9

Table of number representation

Values

Name

Meaning

0x0080

TOGGELBIT

Toggles after each TPDO output

Table 10

Additional bit "Error messages"

Содержание HG 71912-A

Страница 1: ...fset Antennas One dimensional Indoor HG 71912 A English Revision 02 Dev by W M Date 12 07 2011 Author s RAD L S W M G tting KG Celler Str 5 D 31275 Lehrte R ddensen Germany Tel 49 0 51 36 80 96 0 Fax...

Страница 2: ...k Interpreter Processor 16 4 3 1 2 Allocation of the 26 pin round ribbon cable of the SUB D connec tor of the variant HG71912Y 16 4 3 1 3 Control LED 17 4 3 2 Interfaces 18 4 3 2 1 RS 232 18 4 3 2 1 1...

Страница 3: ...are Update 47 6 Trouble Shooting 50 7 Technical Data 51 8 Appendix 53 A Physical Basics 53 A 1 Field Arrangement of the Energy Field 53 A 2 Field Arrangement of the Transponder s Reverse Signal 53 A 3...

Страница 4: ...fairly small reading distances This manual refers to equipment with software version 1 08 1 1 System Components The following components which all match the evaluation unit see no 3 are offered Figure...

Страница 5: ...parameters leads to the setting of a bit in the system status see also table 7 on page 19 ATTENTION Also the crossing of a massive steel plate may possibly trigger the surveillance After programming t...

Страница 6: ...igure 2 The impact on positioning accuracy and range also de pends on the size and distance of metal parts Figure 2 Minimum spacings around the transponders on track mounting and the antenna G98767ZA...

Страница 7: ...interpreter is available in three different variants 2 2 1 HG 71912ZA Figure 3 Dimensions interpreter HG 71912ZA Variant ZA YA XA Output serial CANopen parallel serial serial CANopen Mounting Alumini...

Страница 8: ...Mounting HG 71912 A English Revision 02 Date 12 07 2011 8 2 2 2 HG 71912YA Figure 4 Dimensions interpreter HG 71912YA...

Страница 9: ...011 9 2 2 3 HG 71912XA Figure 5 Dimensions interpreter HG 71912XA 180 mm 85 mm 44 mm G TTING KG Celler Str 5 31275 Lehrte P W R C D P O S E R R D A T A TAG R W Unit HG 71912 A 196 mm 65 mm 220 mm 105...

Страница 10: ...be closed Remember to save possibly altered values After changing certain parameters a system reset is required turning off and on the antenna This procedure is explained in the corresponding chapter...

Страница 11: ...nce sum voltage over track In the diagram the sum voltage over the track is shown The noise interference level is located at 50 samples the signal at 950 The decoding of the transponder is fault less...

Страница 12: ...elow the Threshold for Decoding In this example a reserve from 6 x 8 ms for triggering the POSI Puls is left The crossing velocity is approx 0 87 m s 140 mm length of antenna 20 x 8 ms In the followin...

Страница 13: ...Figure 10 Diagram commissioning protocol POSI Pulse triggered by noise too high Threshold In this example the thresholds are set to 100 samples The bit TRANS_IN_FIELD is set constantly After a success...

Страница 14: ...e metal free area see Figure 2 on page 6 Cable with pulsed currents with spectral parts between 64 kHz 4 kHz The following environmental conditions have no effect on the system Snow ice water Oil tar...

Страница 15: ...Interpreter HG 71912 A shown version HG 71912ZA with serial interface The electronics of the interpreter are cased in a aluminium housing 206 x 87 x 48 mm incl fastenings clips The antenna can be conn...

Страница 16: ...cted to the shielding of the cable and the casing and should be positioned The contacts are allocated as follows No Colour Description 1 white 24 V 2 brown GND 3 green CAN H 4 yellow CAN L 5 grey POSI...

Страница 17: ...24V 22 24 24V 23 12 GND 24 25 GND 25 13 Chassis 26 Chassis LED Colour Function PWR yellow shows the current operating voltage CD yellow lit when the receiving voltage exceeds Threshold for Decoding D...

Страница 18: ...edure to add further DLE characters by this procedure All multiple byte variables are output either with the highest byte or the lowest byte first adjustable The 8 bit check sum is only output when us...

Страница 19: ...yte unsigned char check sum only at transparent protocol Table 6 Data words of a telegr w 13 byte length equals 12 data bytes Value Name Description 0001 DEC_HW_ERROR hardware of code decoder erroneou...

Страница 20: ...TAGE AND FREQUENCY CORRESPOND TO THE SPECIFICATIONS B THE VALUES FOR CODE US AND UD EQUAL THE SAVED VALUES THE BIT REMAINS SET UNTIL THE NEXT TEST AND IS DELETED BY UNSUCCESSFUL REFERENCE TRANSPONDER...

Страница 21: ...eference values are considered 4 3 2 1 3 System Monitor In monitor mode the system is configurable via a menu Please refer to chapter 5 2 System Monitor on page 35 4 3 2 2 Positioning Pulse all Varian...

Страница 22: ...nitor A PDO can also be trans mitted cyclically therefor the event time has to be chosen correspondingly and 0 has to be chosen for inhibit time A TPDO can be activated permanently by choosing in the...

Страница 23: ...ifiers for read and write access are Reading Access 0x600 node address Writing Access 0x580 node address The SDO telegrams are described in the CiA norm DS 301 The error codes caused by a erroneous co...

Страница 24: ...munication between 0x1000 and 0x1FFF Index Subindex Access Content EEProm 0x1000 0 RO Device type 0x1001 0 RO Error register 0x1008 0 RO Device name 0x1009 0 RO Hardware version 0x100A 0 RO Software v...

Страница 25: ...cess Content EEProm 0x2000 0 RO Number of manufacture parameter 1 RW Config M 2 RW Threshold for decoding M 3 RW Number of equal codes M 4 RW High Nibble of RW code M 5 RW Level for positioning M 6 RW...

Страница 26: ...e Attr Map Default Meaning 1000 00 Device Type Unsigned 32 RO No 0x00010191 digital inputs DS 401 Table 17 Explanations Device type Index Sub Index Name Type Attr Map Default Meaning 1001 00 Error Reg...

Страница 27: ...le_String R0 No A3 version number Table 21 Explanations Hardware version Index Sub Index Name Type Attr Map Default Meaning 0x100A 00 Software Ver sion Visible_String R0 No 1 08 Version Table 22 Expla...

Страница 28: ...nsigned 32 RO No 0x00000100 Version 1 00 04 Serial Number Unsigned 32 RO No 9999999 corresponding serial number Table 25 Explanations Identity object Index Sub Index Name Typ Attr Map Default Bedeutun...

Страница 29: ...apping TxPDO_1 Index Sub Index Name Typ Attr Map Default Meaning 0x2000 00 number of parameter Unsigned 8 RO No 6 number of sub indexes 01 config Unsigned 16 RW No 3 configuration according to table 0...

Страница 30: ...E PROCEEDED Bit Value Name Meaning 0x0004 HILO Byte order for variable ii TxPDO_1 High Byte first if set 0x0020 AUTOSTART CANopen starts in mode operational 0x0200 POSI 0 only one POSI pulse possible...

Страница 31: ...ault Meaning 2002 00 number of parameter Unsigned 8 RO No 0x03 Number of sub indexes 01 Prog_Transponder Unsigned 32 RW No 0 Transponder code which has to be programmed 02 Ref_Test Unsigned 8 WO No La...

Страница 32: ...output This pulse with configurable duration is generated for each changing of code Parallel data are permanently available In order to operate the system exclusively all other signals and lines exce...

Страница 33: ...ind add HyperTerminal Before using HyperTerminal ensure that it is actually installed on your system If only the standard version of Windows is installed on your PC as recommended during the Windows s...

Страница 34: ...ort as follows 1 Select Properties from the menu file or click the Icon The following window appears 2 Choose the respective port via the direct to connection in the submenu Confirm with Save the alte...

Страница 35: ...19200 Baud If neces sary adapt the COM port see section 5 1 2 In case the antenna is activated you can transfer the appropriate text file from the disk by using your terminal program The following fo...

Страница 36: ...monitor program ATTENTION Do only alter values in the system interface as false information to the timing values may affect the transponder decoding and positioning accuracy will be decrease if the c...

Страница 37: ...bits of the transpondercode in hexadecimal notation Read Number of readings per transponder crossing This value is pre served until another transponder is detected It is also deleted through Noise E S...

Страница 38: ...for user By typing the system status can be explained in clear text By pushing the menu can be left In the chapters the following points will be explanied rite Transponder see chapter 5 2 2 2 on page...

Страница 39: ...highest or the lowest byte is to be put out first If the device is connected to a Siemens PLC the parameter has to be set to 0 High Byte first By using the configuration of the output telegramm can be...

Страница 40: ...time out values for input characters see appendix chapter C Procedure transparent on page 56 With the permanent output according to the value set with can be activated 1 or it will only be realized wh...

Страница 41: ...d see also appendix chapter F Timing Diagramm of the parallel interface on page 57 With you can determine whether only one transponder with a new code generates a DTR pulse 1 or if the same transponde...

Страница 42: ...s not implemented PDO_1 operational mode can be chosen With values between 1 240 the syn chronous cyclical respectively with 255 the asynchronous mode can be set The following submenus are only availa...

Страница 43: ...of the bytes in TPDO can be altered here ERR LED Previous function Is lit when the error bits DEC_HW_ERR PARAM_ERR ANTENNA_ERROR are set and when the reference transponder test was not successful Add...

Страница 44: ...ch may occur due to interferences are prevented Using the duration of the 1 ms raster can be set With you can choose whether each crossing if the middle axis of the antenna triggers a positioning puls...

Страница 45: ...ith the previously received code Note that due to this method the at highest possible crossing speed sinks since the necessary duration of a transmission is now n 1 x 8 ms With you can decide from whi...

Страница 46: ...w service password for device specfific changes can be created 5 2 2 11 Se t up Ref transponder Values Since the antennas aren t bound to one of certain end worth ones this menu item was introduced Th...

Страница 47: ...for Microsoft Win dows On demand we will send you this program per e mail or on CD Therefore contact us per e mail phone fax or letter using the adress on the title The program does not have to be ins...

Страница 48: ...Date 12 07 2011 48 Figure 22Updateprogram Operational elements 2 Choose the serial interface and baudrate 1 Choose the hex file you want to 5 Status 4 Start the programming 6 Close the program transmi...

Страница 49: ...e file is transmitted shortly after it Figure 23Updateprogram Programming After a succesful programming you can close the program The interpeter now uses ther new program If any errors occur during th...

Страница 50: ...eption range there is no serial output Power supply is not sufficient Measure voltage No contact is possible only unintelligible char acters are sent 1 CAN exchanged with CAN by mistake 2 Incorrect se...

Страница 51: ...200 Baud even parity 1 stop bit procedure 3964R or transparent Crossing impulse 24 V 20 mA CAN bus version HG 71912ZA XA non potentially isolated CANopen Device Profil DS 401 Node ID and transmission...

Страница 52: ...12 07 2011 52 Discharge of statical electricity EN 61000 4 2 Signal tap High frequency asymmetric EN 61000 4 6 fast transients EN 61000 4 4 Electromagnectic compability EMC Checking of In accordance w...

Страница 53: ...cal Basics A 1 Field Arrangement of the Energy Field Figure 24 Field arrangement of the energy field fc 128 kHz A 2 Field Arrangement of the Transponder s Reverse Signal l Figure 25 Field arrangement...

Страница 54: ...bit 8 data bit even parity 1 stop bit baud rate 9600 baud default or 19200 baud B 1 Data direction antenna PLC In this direction the antenna data is transmitted cyclically A set of data always starts...

Страница 55: ...am procedure 3964R PLC Antenna Figure Program For Interpreting Positioning And Decoding wait wait for sign wait for sign send all signs Receiving mode incoming data send NAK send STX send NAK receive...

Страница 56: ...be quit with a 8 bit check sum XOR over all characters The characters are sent without delay The characters must be received within the parameterizeable character delaytime Otherwise the telegram wil...

Страница 57: ...ing Diagramm of the parallel interface Figure 29 Timing diagramm parallel interface e g e g Antenna D0 to D14 Antenna Data Ready PLC Data Ready PLC D0 bis D14 Antenna HG 71912YA Attention Possibility...

Страница 58: ...shold 13 Figure 11 Interpreter HG 71912 A shown version HG 71912ZA with serial inter face 15 Figure 12 Formula Minimum update rate 18 Figure 13 Add HyperTerminal to the system 33 Figure 14 Main menu o...

Страница 59: ...14 Communication specific entries between 0x1000 and 0x1FFF Part 2 of 2 24 Table 15 Manufacturer specific entries at 0x2000 25 Table 16 Standard device profile range 0x6100 26 Table 17 Explanations D...

Страница 60: ...02 Date 12 07 2011 60 Table 35 Terminal settings for the monitor program 34 Table 36 Description of the system variables monitor program 37 Table 37 Trouble shooting 50 Table 38 Technical Data Interpr...

Страница 61: ...ion each documents includes a list of contents showing the page numbers following the front If a document exceeds 10 pages it also has a drawings list and a list of tables on the last few pages If req...

Страница 62: ...re used according to the description This instruction manual has been drawn up to the best of our knowledge Installation setup and operation of the device will be on the customer s own risk Liability...

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