Gotting HG 98780-A Instructions d'utilisation et d'installation

Device Description HG 98780-A



Positioning and

Identification Antenna

— 13.56 MHz, one-dimensional —

HG 98780-A

Englisch, Revision 09 Developed by: W.M.

Date: 30.11.2012 Author(s): RAD

Götting KG, Celler Str. 5, D-31275 Lehrte - Röddensen (Germany), Tel.: +49 (0) 51 36 / 80 96 -0,

Fax: +49 (0) 51 36 / 80 96 -80, eMail: [email protected], Internet: www.goetting.de

Contents HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 2

Contents

1 Introduction.......................................................................5

1.1 Accessories ............................................................................ 5

1.2 Function ................................................................................. 6

1.3 Positioning Pulse .................................................................... 6

2 Mounting...........................................................................8

2.1 Transponders ......................................................................... 8

2.1.1 Dimensions and Specifications....................................................... 8

2.1.2 Mounting Instructions .................................................................... 8

2.2 Antenna HG 98780ZA/YA/XA/WA............................................ 9

2.3 Interface HG 06150ZA/XA (optional) ..................................... 10

3 Installation / Commissioning ............................................11

4 Components and Operation .............................................12

4.1 Operation Conditions ............................................................ 12

4.2 Positioning Antenna on the Vehicle / Crane ........................... 12

4.2.1 HG 98780ZA/WA (with CAN-Bus and RS422 / RS232 interfaces).. 12

4.2.1.1 Connection plan of the 12-pin socket....................................... 13

4.2.2 HG 98760YA/XA (with Profibus and RS232/RS422)...................... 14

4.2.2.1 Dimensions............................................................................. 14

4.2.2.2 Pin Allocations ........................................................................ 15

4.2.3 Switch-on Characteristics ............................................................ 16

4.2.4 Interfaces .................................................................................... 16

4.2.4.1 Serial (RS 422 / RS 232)......................................................... 16

4.2.4.1.1 List of system data to be output ................................ 16

4.2.4.1.2 List of commands ..................................................... 19

4.2.4.2 System Monitor....................................................................... 20

4.2.4.3 Positioning Pulse .................................................................... 20

4.2.4.4 CAN Bus................................................................................. 20

4.2.4.4.1 Description............................................................... 20

4.2.4.4.2 CAN Message Object 1 (Transmission Object).......... 20

4.2.4.4.3 CAN Message Object 2 (A Identifier; Transmission

Object)......................................................................21

4.2.4.4.4 CAN Message Object 3 (D Identifier; Transmission

Object)......................................................................21

4.2.4.4.5 CAN Message Object 4 (Reference Transponder; Recep-

tion Object) ...............................................................21

4.2.4.5 Profibus.................................................................................. 22

4.2.4.5.1 Profibus Input Bytes ................................................. 22

4.2.4.6 Output Bytes........................................................................... 23

4.2.5 Software download ...................................................................... 23

Contents HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 3

4.3 Accessories (optional)........................................................... 24

4.3.1 Serial/parallel Converter HG 06150ZA/XA .................................... 24

5 Software .........................................................................25

5.1 Terminal program ................................................................. 25

5.1.1 How to find HyperTerminal and add it to the system ..................... 25

5.1.2 Parameter presettings ................................................................. 26

5.2 System monitor..................................................................... 27

5.2.1 How to start the monitor program ................................................. 27

5.2.1.1 Procedure Monitor only ........................................................... 27

5.2.1.2 Procedures 3964R/transparent................................................ 27

5.2.2 Operating the monitor program .................................................... 28

5.2.2.1 Main menu.............................................................................. 29

5.2.2.2 (T)ime & Code ........................................................................ 31

5.2.2.3 (S)erial Output ........................................................................ 32

5.2.2.4 C(A)N Parameters .................................................................. 34

5.2.2.5 P(r)ofibus-Parameters............................................................. 35

5.2.2.6 CS(V) ..................................................................................... 36

5.2.2.7 (B)oot Load............................................................................. 36

5.3 Software Update (Antenna Software) .................................... 37

5.3.1 Installation of the Program for Software Update ........................... 37

5.3.2 Software Update.......................................................................... 38

6 Maintenance ...................................................................41

7 Troubleshooting ..............................................................42

8 Technical Data ................................................................43

8.1 Antenna................................................................................ 43

8.2 Parallel converter ................................................................. 45

9 Appendix.........................................................................46

A Effective Antenna Area .................................................................... 46

B Positioning Accuracy........................................................................ 49

C Attenuation of the Reception Level caused by Metal ....................... 51

D Influence of Water............................................................................ 52

E Mounting next to Massive Metal Structures ..................................... 53

F Procedure 3964R............................................................................. 53

F.1 Data direction antenna -> PLC.................................................................53

F.2 Data direction PLC -> Antenna ................................................................54

G Procedure „transparent“................................................................... 55

G.1 Data direction antenna -> PLC.................................................................55

G.2 Data direction PLC -> antenna.................................................................55

H GSD File (Antenna HG 98780XA/YA with Profibus) ........................ 55

Contents HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 4

10 Handbook Conventions....................................................56

11 List of Figures .................................................................57

12 List of Tables ..................................................................59

13 Index ..............................................................................60

14 Copyright and Terms of Liability ......................................61

14.1 Copyright.............................................................................. 61

14.2 Exclusion of Liability ............................................................. 61

14.3 Trade Marks and Company Names........................................ 61

Introduction HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 5

1 Introduction

The described antennas are especially suited for outdoor applications, as the elec-

tronic units are sealed within the antenna cases. All important settings, adjustable val-

ues and software updates can be effected via a serial interface.

Unlike Transponder Positioning System S_I13933 (128 kHz operating frequency),

Transponder Positioning Antenna HG 98780-A is operating at 13.56 MHz. This en-

sures sufficient frequency separation to interference sources such as, e.g., drives,

power converters and switching power supply.

Both systems supply a similarly structured output format in which additional system in-

formation can be configured by the user. This information can, for example, be saved

in a visualization system and enables statements about the condition and availability/

accessibility of the transponders and antennas. This system description applies to de-

vices with the firmware 98780B2 version 1.06 and higher.

1.1 Accessories

The following accessories are available for the one-dimensional Transponder Position-

ing Reader HG 98780-A:

Figure 1 Components

1. Transponder reader with preamplifier and interpreter HG 98780-A with different

interfaces (see Table 1 on page 6)

2. Transponder HG 70661 (on the pavement)

3. Optional interface HG 06150-A serial/parallel converter

4. Optional desktop reading and programming unit HG 81830VA (not shown in pic-

ture)







Introduction HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 6

1.2 Function

As the antenna passes over the transponder, it energizes the latter with an energy field

of 13.56 MHz. The transponder returns its code through frequency modulation to the

antenna. An additional coil generates the positioning pulse. The interpreter which is

integrated within the antenna decodes the transponder code.

Furthermore several antenna parameters, e. g. current consumption and supply volt-

age, are measured and, if desired, added to the serial output protocol.

The serial signal is made available via potentially separated RS 422 or RS 232 inter-

faces. In addition, the positioning pulse is dc-insulated. Furthermore, CAN Bus or Pro-

fibus interfaces are provided optionally.

As an option, the serial signal can be converted into a 16 bit parallel output signal

(24 Volts switched) for the code within an external interface device. This interface de-

vice is suited for mounting rail (top-hat rail) installation and should be installed in a

place protected from any environmental influences.

1.3 Positioning Pulse

For the generation of the positioning pulse, it is necessary that the following precondi-

tions are met:

-The reception voltage S (refer to Table 18 on page 29) must exceed the set

threshold for Level for Positioning (refer to section 5.2.2.2 on page 31).

-A transponder code must be decoded without error.

-The measured voltage X must fall below a certain threshold (refer to Table 18 on

page 29).

If the above listed preconditions are met, a positioning pulse with changeable duration

is generated. For the generation of a new positioning pulse it is essential that the re-

ception voltage S has fallen below the threshold set for Threshold for Decoding

(refer to section 5.2.2.2 on page 31) first.

Thus only one pulse per transponder crossing is possible. Therefore, if a vehicle/crane

stops above the transponder after the positioning pulse was generated and then

changes its direction of travel, no renewed positioning pulse is generated during the

center crossing!

HG 98780-A

Variant Profibus CAN Bus RS 422 RS 232

ZA X X

YA X X

XA X X

WA X X

Table 1 Overview of G 98780 variants

Introduction HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 7

Positioning Accuracy

As the field compensation for the corresponding measuring coil is not infinitely sharp

and is also depending on the reading height (refer to Appendix, Section A on page

46), the positioning pulse is generated at different but reproducible locations, depend-

ing on the direction of travel. Since the antenna is not aware of its direction of travel,

but depends on the physical effect of the field strength, only the vehicle/crane control

can carry out the direction-depending compensation. The appendix, section B on

page 49 shows the locations of the positioning pulse related to the X and Y coordinates

and the reading height.

Mounting HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 8

2Mounting

2.1 Transponders

2.1.1 Dimensions and Specifications

The maximum reading distance for all transponders can only be achieved when the

minimum distance to metal surfaces is maintained. It is recommended to maintain the

minimum distances within the metal-free area (Figure 2). The impact on positioning ac-

curacy and range also depends on the size and distance of metal parts.

Figure 2 Minimum iron-free area around Puck Transponder HG 70661

As rule of thumb it can be said that if the metal-free area behind the transponder has

to be at least of the same range as the reading distance between transponder and an-

tenna. The reception of the transponder signal will be largely unattenuated (also refer

to Table 24 on page 51). It is essential, that the transponder does not dip into the

meshs/loops of steel reinforcement grids. Single metal rods, on the other hand,

hardly have any influence on the performance.

2.1.2 Mounting Instructions

The Transponders may be mounted on even ground using a metal screw and a wash-

er. The maximum fastening torque is not allowed to exceed 4 Nm. The diameter of the

metal washer should not be max. 18 mm.

Screw

Washer

Transponder

approx. 200 mm

approx. 100 mm

Metal-free area

Mounting HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 9

2.2 Antenna HG 98780ZA/YA/XA/WA

The antenna has four predrilled holes for four M5 screws.

ATTENTION! Make sure the antenna is mounted correctly with regards to its

reading side!

Figure 3 Mounting the antenna

In order to prevent any adverse effects on the system:

-The space above and around the antenna should be metal-free.

-Do not operate the reading antenna while the reading side is located directly

above a metal surface, as this would mistune the antenna severely in such a way

that the power consumption of the output stage would increase considerably.

-Perfect transponder readings are only guaranteed if the transponders are placed

within max. ±4 cm tolerance from the center line of the antenna! Outside these

limits, the transponder readings become less reliable due to decreasing signal

levels.

NOTE! Whenever the antenna is operated at temperatures below 0oC, it

is necessary to use the integrated heater! As the warm-up time

with heater at -20oC surrounding temperature is approx. 1 hour,

the heater should be connected to a stand-by power supply.

Mounting HG 98780-A

Englisch, Revision 09, Date: 30.11.2012 10

2.3 Interface HG 06150ZA/XA (optional)

The optional interface has to be mounted in a climated enclosure on a mounting bar

with the following connections:

Figure 4 Outline of the interface mounting bar case

Interface connection plan

1Code Bit 1 (lowest Bit) 15 Code Bit 15

2Code Bit 2 16 Code Bit 16 (highest Bit)

3Code Bit 3 17 Data Ready

4Code Bit 4 18 Data Valid

5Code Bit 5

6Code Bit 6

7Code Bit 7

8Code Bit 8

9Code Bit 9

10 Code Bit 10 Version ZA Version XA

11 Code Bit 11 20 Rx+ (RS 422 input) RxD (RS232 Input)

12 Code Bit 12 21 Rx- (RS 422 input) not connected

13 Code Bit 13 37 +24 V operating voltage

14 Code Bit 14 38 GND ground

Table 2 Interface connection plan

Table des matières

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