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Positioning And Ident Interpreter For Offset Antennas

HG G-71912-A

– One-dimensional / Indoor –

English, Revision 03

Date: 28.03.2018

Dev. by: WM

Author(s): RAD / LS / GW

Transponder

Innovation through Guidance

www.goetting-agv.com

Device Description H

G-71912-A

Summary of Contents for HG G-71912-A

Page 1: ...terpreter For Offset Antennas HG G 71912 A One dimensional Indoor English Revision 03 Date 28 03 2018 Dev by WM Author s RAD LS GW Transponder Innovation through Guidance www goetting agv com Device D...

Page 2: ...ption HG G 71912 A English Revision 03 Date 28 03 2018 2 Overview 2018 G tting KG errors and modifications reserved The G tting KG in D 31275 Lehrte has a certified quality management system according...

Page 3: ...7 5 3 1 1 8 pin jack Interpreter Processor 17 5 3 1 2 HG G 71912YA Alloc of the 26 pin round ribbon cable SUB D connector 17 5 3 1 3 Control LED 18 5 3 2 Interfaces 18 5 3 2 1 RS 232 18 5 3 2 1 1 List...

Page 4: ...l Data 46 9 Appendix 47 A Physical Basics 47 A 1 Field Arrangement of the Energy Field 47 A 2 Field Arrangement of the Transponder s Return Signal 47 A 3 Induced Voltages in Sum and Difference Antenna...

Page 5: ...mage of property WARNING Indicates dangers that may lead to injuries potentially with loss of life or severe damage of property Tip Indicates information that makes handling of the device easier Link...

Page 6: ...HG G 71325XA read write These transponders are fair priced and especially suited for the applications of this system track guided or rail mounted vehicles with fairly small reading distances This man...

Page 7: ...or breakdown 128 kHz frequency deviation short circuit transmitting conductor idling power transistor is defect By this surveillance with a certain probability the function can be detected Defective c...

Page 8: ...etal free area Figure 2 The impact on positioning accuracy and range also depends on the size and distance of metal parts Figure 2 Minimum spacings around the transponders on track mounting and the an...

Page 9: ...on HG G 71912 A English Revision 03 Date 28 03 2018 9 Mounting Chapter 3 3 2 Interpreter 3 2 1 HG G 71912ZA Figure 3 Dimensions interpreter HG G 71912ZA 3 2 2 HG G 71912YA Figure 4 Dimensions interpre...

Page 10: ...Chapter 3 Mounting 3 2 3 HG G 71912XA Figure 5 Dimensions interpreter HG G 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...

Page 11: ...ogram can be closed Remember to save possibly altered values After changing certain parameters a system reset is required turn ing off and on the antenna This procedure is explained in the correspondi...

Page 12: ...transponder is faultless as also shown in the following picture Figure 7 Diagram commissioning protocol undisturbed decoding of the transponder When crossing a transponder the sum voltage rises After...

Page 13: ...20 x 8 ms In the following protocols the impacts of a high interference level can be seen Figure 8 Diagram commissioning protocol high interference sum voltage over track The interference level reach...

Page 14: ...ous POSI pulses Figure 10 Diagram commissioning protocol POSI Pulse triggered by noise too high Thresh In this example the thresholds are set to 100 samples The bit TRANS_IN_FIELD is set con stantly A...

Page 15: ...ted e g by steel building mats have a great influence Individual metal poles have little effect Those may be partly within the metal free area see Figure 2 on page 8 Cable with pulsed currents with sp...

Page 16: ...Figure 11 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...

Page 17: ...d 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 6 pink TxD RS232 7 blue RxD RS232 8 shielding Table 3 Allocation 8 pin j...

Page 18: ...e variables are output either with the highest byte or the lowest byte first ad justable The 8 bit check sum is only output when using the transparent protocol It then includes the start character The...

Page 19: ...of a telegr w 13 byte length equals 12 data bytes Value Name Description 0001 DEC_HW_ERROR hardware of code decoder erroneous 0002 CODE_ERROR transponder code received with check sum error 0004 PARAM...

Page 20: ...alues sum and difference voltage are saved automatically in the parameter E PROM This command should only be proceeded once during commissioning as otherwise changes in the exactness of the antenna ma...

Page 21: ...onous 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 Inhibit time can be set in the CAN men...

Page 22: ...erroneous communication are listed in the following table Object Directory In the CANopen directory all relevant objects for the device were entered Each entry is marked by a 16 bit index Components a...

Page 23: ...tity object 1 RO Vendor ID 2 RO Product code 3 RO Revision 4 RO Serial number 0x1800 0 RO Number of entries of Transmit PDO_1 1 RO COB ID 2 RO Transmission type C 3 RW Inhibit time C 5 RW Event time C...

Page 24: ...b Index Name Type 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 1...

Page 25: ...e Ver sion Visible_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 Versio...

Page 26: ...912 03 Revision Unsigned 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...

Page 27: ...mapped on Index 0x6120 01 with 32 bit length Code 0 31 02 2nd mapped object Unsigned 32 RO No 0x61000110 mapped on index 0x6100 01 with 16 bit length Sta tus 0 15 Table 27 Explanations Mapping TxPDO_...

Page 28: ...l 0x0200 POSI 0 only one POSI pulse possible in field 1 pulse at each crossing 0x2000 POSI_TRANSP 0 POSI pulse independent from decoding 1 POSI pulse only after decoding Table 29 Coding of the system...

Page 29: ...clusively all other signals and lines except CAN are avail able on the flat band cable as well The outputs D0 D14 as well as Data Ready are not cur rent limited The output POSI is realized via a switc...

Page 30: ...ll If another programs is used please read the included documentation and set the aforementioned interface parameters see 6 1 1 on page 30 6 1 1 Parameter Presetting Dependent upon what you want to do...

Page 31: ...2 1 2 6 2 1 2 Procedure 3964R transparent The order to switch to the montior mode should be entered directly via a PC Therefore run your terminal program If you are using HyperTerminal section 6 1 ins...

Page 32: ...3 Click Open The file will be transferred and if you have chosen the right file the monitor program will be started The menus will then appear directly in the HyperTerminal window At first you will s...

Page 33: ...lear text By pushing the menu can be left Description of the system variables S Measured voltage of the sum coil within the cover of the casing in sam ples max 1023 D Measured voltage of the differenc...

Page 34: ...P rallel Interface see chapter 6 2 2 4 on page 37 AN Parameters see chapter 6 2 2 5 on page 38 P sitioning Pulse see chapter 6 2 2 7 on page 40 D coding see chapter 6 2 2 8 on page 41 CS see chapter...

Page 35: ...oose whether the 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...

Page 36: ...is active the time out values for input characters see appendix chapter C Pro cedure transparent on page 49 With the permanent output according to the value set with can be activated 1 or it will onl...

Page 37: ...ode can be determinded see also appendix chapter F Timing Diagramm of the parallel interface on page 51 With you can determine whether only one transponder with a new code generates a DTR pulse 1 or i...

Page 38: ...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 fol lowing submenus are only availab...

Page 39: ...f 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 Addit...

Page 40: ...ing pulses which may occur due to interferences are prevent ed 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 p...

Page 41: ...nks since the necessary duration of a transmission is now n 1 x 8 ms With you can decide from which voltage on the code decoding starts in order to prevent decoding when the signal is too weak You can...

Page 42: ...the put ting into operation and at a change of the interpreter Note This command should be only executed once during the putting into operation since other wise changes in the antenna precision canno...

Page 43: ...le The program does not have to be installed You only have to copy it to your harddisk and execute it Proceed as follows 1 Insert the CD into your ROM DVD drive 2 Open the Windows Explorer and navigat...

Page 44: ...date program Programming After a successful programming you can close the program The interpreter now uses the new program 2 Choose the serial interface and baudrate 1 Choose the hex file you want to...

Page 45: ...ated within reception range there is no serial out put Power supply is not sufficient Measure voltage No contact is possible only unintelligible characters are sent 1 CAN exchanged with CAN by mistake...

Page 46: ...4R 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 rate are configurable via a serial interface...

Page 47: ...Appendix A Physical Basics A 1 Field Arrangement of the Energy Field Figure 23 Field arrangement of the energy field fc 128 kHz A 2 Field Arrangement of the Transponder s Return Signal l Figure 24 Fi...

Page 48: ...et to 1 start 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...

Page 49: ...l can be used The following settings have to be observed for the data transmission 1 start bit 8 data bit parity even 1 stop bit Baudrate 9600 Baud default or 19200 Baud Figure 27 Program For Interpre...

Page 50: ...st be re ceived within the parameterizeable character delaytime Otherwise the telegram will be chopped D Parallel Output After decoding of the transponder code valid the lower 15 bit will be set to th...

Page 51: ...x Chapter 9 F Timing Diagramm of the parallel interface Figure 28 Timing diagram parallel interface e g e g Antenna Data Ready PLC Data Ready PLC D0 to D14 Antenna HG 71912YA Attention Possibility of...

Page 52: ...ng protocol POSI Pulse triggered by noise too high Thresh 14 Figure 11 Interpreter HG 71912 A shown version HG 71912ZA with serial interface 16 Figure 12 Formula Minimum update rate 18 Figure 13 Main...

Page 53: ...er specific entries at 0x2000 23 Table 16 Standard device profile range 0x6100 24 Table 17 Explanations Device type 24 Table 18 Explanations Error register 24 Table 19 Explanations COB ID SYNC message...

Page 54: ...of Liability 56 F Functional Description 7 H HG 71325 6 15 71912 6 9 16 46 81830 6 98767 6 HW DEV00095 6 15 HW DEV00098 6 15 I indoor 6 Interfaces 18 CAN 21 Parallel 15 29 Posi Pulse 21 RS 232 18 inte...

Page 55: ...Software Update 43 spacings 8 Surveillance 7 symbols 5 System commands 20 System Components 6 system monitor 31 system variables 33 T Technical Data 46 telegram 18 Terminal Program 30 Terminator 39 Ti...

Page 56: ...f the systems are 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...

Page 57: ...Device Description HG G 71912 A English Revision 03 Date 28 03 2018 57 Copyright and Terms of Liability Chapter 13...

Page 58: ...Innovation through Guidance G tting KG Celler Str 5 D 31275 Lehrte Tel 49 0 5136 8096 0 Fax 49 0 5136 8096 80 info goetting agv com www goetting agv com www goetting agv com...

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