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Protocols for position value output

Leuze electronic GmbH + Co. KG

BPS 8

Description

Function identifier
In the request telegram, which function should be executed in the device is signaled to the BPS in the bits

F0 to F7. The function identifier is entered in the response telegram. If the function identifiers is defined,

the BPS executes the desired function and sends the associated response telegram to the control. The

following function identifiers are currently defined:

Function identifier

Control byte

Checksum

Bitwise exclusive OR combination of bytes 0 … 4

Byte

Bit

Name

Function

Description

0…7

AZ0 …

AZ7

Target address of the

BPS in the

RS 485 network

Permissible address range: 2

… 255

, default

address = 81

–

None

Without function, bit permanently set to 1

0…7

AQ0 …

AQ7

Source address of

the host in the

RS 485 network

Permissible source addresses: 1

or 129

–

None

Without function, bit permanently set to 0

0…7

L0 … L7 Length

Length of the response telegram (number of data bytes

+ status byte),

permissible value: 5

(4 data bytes +1 status byte in the

response)

–

None

Without function, bit permanently set to 0

0…7

F0 … F7 Function identifier

The function identifier describes the action which

should be executed in the BPS and answered:

(5A

) = Request position data

(5B

) = Request one-time transmission of position

data

(5C

) = Activate positioning mode

–

None

Without function, bit permanently set to 0

0…7

S0 … S7 Control byte

For future function extensions.

Not currently evaluated.

–

None

Without function, bit permanently set to 0

0…8

Check

sum

Check sum

Bitwise exclusive OR combination of bytes 0 … 4

NOTE

AZ0 … AZ7 are the address bits. If several BPS 8 operate in an RS 485 network, an address

configuration is required. Every BPS 8 is supplied with the Standard address 81

. The

address assignment (Default: 81

) is performed using the BPS Configuration Tool (see

chapter 8.5.3 "Communication").

NOTE

RS485 network!
An MA 8-01/MA 8-02 connection unit is mandatory for the operation of the BPS 8 in an RS485

network (see chapter 4.2 "MA 8-01 / MA 8-02 connection unit").

Byte

no.

Designation

Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Содержание BPS 34 SM 100

Страница 1: ...BPS 8 Bar Code Positioning System Original operating instructions EN 2020 10 20 50105556 We reserve the right to make technical changes...

Страница 2: ...Leuze electronic GmbH Co KG BPS 8 2 2020 Leuze electronic GmbH Co KG In der Braike 1 D 73277 Owen Germany Phone 49 7021 573 0 Fax 49 7021 573 199 http www leuze com info leuze com...

Страница 3: ...and application remarks 26 6 1 2 Cutting bar code tapes 27 6 1 3 Mounting the BCB 28 6 1 4 BCB repair with repair kit 30 6 2 Mounting the BPS 8 32 6 2 1 BT 8 01 mounting device 33 6 2 2 BT 8 0 mounti...

Страница 4: ...3 BPS 8 SM 10x 01 BPS 8 SM 10x 05 response telegram 63 9 2 Binary protocol 2 BPS 8 SM 10x 02 68 9 2 1 Data format 68 9 2 2 Request telegram to the BPS 8 SM 10x 02 69 9 2 3 BPS 8 SM 10x 02 response te...

Страница 5: ...s 88 12 2 4 Repair tapes 89 12 2 5 Marker labels and control labels 89 12 3 Accessories Modular connection unit 89 12 4 Accessories Fieldbus gateway 90 12 5 Accessories Cables 90 12 6 Accessories Moun...

Страница 6: ...ymbol for action steps Text passages with this symbol instruct you to perform actions BCB Bar code tape BPS Bar code Positioning System BT Mounting device CDRH Center for Devices and Radiological Heal...

Страница 7: ...can be found in the appendix of this handbook see chapter 13 1 EC Declaration of Conformity on see page 92 CAUTION Observe intended use The protection of personnel and the device cannot be guaranteed...

Страница 8: ...ds and regulations certified electricians are able to perform work on electrical systems and indepen dently detect possible dangers In Germany certified electricians must fulfill the requirements of D...

Страница 9: ...radiation the limit value of laser class 2 in accordance with IEC 60825 1 2014 could be exceeded The device has safeguards to prevent this occurrence If the emitted laser beam is at a standstill imme...

Страница 10: ...velength RAYONNEMENT LASER NE PAS REGARDER DANS LE FAISCEAU APPAREIL LASER DE CLASSE 2 EN 60825 1 2014 Puissance max cr te Dur e d impulsion Longueur d onde RADIACI N L SER NO MIRAR FIJAMENTE AL HAZ P...

Страница 11: ...s Working range BPS 8 SM 102 80 140mm BPS 8 SM 100 60 120mm Max traverse rate 4 m s Electrical data Operating voltage a BPS 8 4 9 5 4VDC With MA 8 10 30VDC Power consumption BPS 8 1 5W With MA 8 max 2...

Страница 12: ...2011 AC 2012 Conformity CE CDRH Certifications 1 b UL 60950 1 CSA C22 2 No 60950 1 Bar code tape Max length measurement length 10 000 m c Ambient temperature 40 C 120 C Mech properties Scratch and wi...

Страница 13: ...drawings BPS 8 SM 102 with front beam exit Figure 3 1 BPS 8 SM 102 dimensioned drawing A Turning connector turnable 90 B Indicator diodes B1 status LED B2 decode LED C Scanning beam divergence max 5mm...

Страница 14: ...SM 100 with lateral beam exit Figure 3 2 BPS 8 SM 100 01 dimensioned drawing A Turning connector turnable 90 B Indicator LEDs B1 status LED B2 decode LED C Scanning beam divergence max 5mm at 150 mm...

Страница 15: ...t Figure 3 4 Reading field curve BPS 8 SM 100 with lateral beam exit 70 60 50 40 30 20 10 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 Reading distance mm Readin...

Страница 16: ...k 150 47k 4 1 MA 8 1 connection unit The MA 8 1 modular connection unit is an optional accessory for the connection of a BPS 8 to a DC voltage supply of 10 to 30 V DC If offers the following advantage...

Страница 17: ...2 socket for connection of the BPS 8 Figure 4 2 Dimensioned drawing and pin assignment of the MA 8 01 MA 8 02 connection unit 4 3 MA 2xxi connection unit The MA 2xxi modular connection unit is a gatew...

Страница 18: ...8 can be configured for position measurement with a 40 mm bar code tape BCB G40 with the BPS Configuration Tool NOTE Special tapes are produced according to customer specifications A special tape is c...

Страница 19: ...bel is a control bar code for the precise reproducible switching of position values from a preceding to a subsequent bar code tape The subsequent bar code tape begins with another new value range The...

Страница 20: ...s is determined by the distance between the BPS 8 and bar code tape and the resulting length of the scanning beam NOTE Grid dimension of control marker bar code The control marker bar code must match...

Страница 21: ...output position value is always uniquely assigned to the preceding or subsequent BCB NOTE Gaps in bar code tape Avoid polished and high gloss surfaces Keep the gaps between the two bar code tapes and...

Страница 22: ...when the center of the BPS 8 C in Figure 5 4 is opposite the center of the control bar code B in Figure 5 4 NOTE Hysteresis for measurement range changeover If a measurement range changeover occurs i...

Страница 23: ...bar code with position bar codes The marker bar code must be attached to the bar code tape aligned with the grid of the actual coding A position bar code should be detected by the scanning beam befor...

Страница 24: ...late adhesive Strength of adhesive 0 1mm Environmental data Processing temperature received 0 C 45 C Temperature resistance 40 C 120 C Dimensional stability No shrinkage tested according to DIN 30646...

Страница 25: ...onic GmbH Co KG BPS 8 25 5 5 Dimensioned drawing for position control and marker bar codes Figure 5 6 Dimensioned drawing for position control and marker bar codes in a 30 mm grid 000018 000021 000024...

Страница 26: ...f the support on which the BCB is affixed occur in the vicinity of the BPS scanning beam Affix the BCB over expansion joints up to a width of several millimeters The BCB must not be interrupted at thi...

Страница 27: ...cut mark In chemically aggressive environments the bar code tape should be cut out over mechanical gaps Since the tape is highly resistant to chemical loads only on the front side exposure of the adhe...

Страница 28: ...folds and creases and that no air pockets form NOTE No glossy gaps in the cut bar code tape Ensure that there are matt bright surfaces behind the gaps in the BCB Polished reflective and high gloss su...

Страница 29: ...e precision of the BPS because the grid dimension can no longer be detected as 30 mm due to the optical distortion of the bar code NOTE Limited absolute measurement accuracy and reproducibility BCB mo...

Страница 30: ...an emergency solution The optical and mechanical properties of the self printed bar code tape do not correspond to those of the original bar code tape Self printed bar code tape should not remain in...

Страница 31: ...ng the print results of the repair kit 30 mm grid NOTE Printing coding Select only those pages that are actually required Change the printer settings so that the bar code is not distorted Check the pr...

Страница 32: ...tem components to be attached installed Figure 6 8 BPS 8 system components CAUTION For the position calculation the scanning beam of the BPS 8 must be incident on the bar code tape without interruptio...

Страница 33: ...evice is available to you for the clamp mounting of the BPS 8 to the dovetail on the rear of the device and the bottom of the device It is intended for fastening at system via two M4 screws For order...

Страница 34: ...Mounting and installation Leuze electronic GmbH Co KG BPS 8 34 Figure 6 10 BT 8 0 mounting device...

Страница 35: ...ut The BPS 8 is designed for operating temperatures of 0 C 40 C Beyond those operating temperatures one can expect no position values to be output Mounting the BPS in a protective housing When install...

Страница 36: ...ning beam on the bar code tape is thus prevented With the angles integrated into the BT 8 01 the BPS 8 can be mounted in parallel to the bar code tape in the reading distance required Figure 6 11 Beam...

Страница 37: ...hat the scanning beam is incident on the bar code tape without interruption and as described in Figure 6 11 and Figure 6 12 the BPS is guided parallel to the tape the permitted working range is not ex...

Страница 38: ...ec tive connection units must have a secure electrical insulation through double insulation and safety transformers according to EN 60742 corresponds to IEC 60742 Ensure the device is correctly earthe...

Страница 39: ...8 PWR connection cable to FE The BPS 8 is usually connected to an earthed steel structure PE To prevent compensating cur rents FE and PE must be configured for potential equalization Cable lengths an...

Страница 40: ...A coded M12 con nector Switching input Switching out PWR IN HOST RS 232 5 pin connector A coded Pin Name Comment 1 VIN Positive supply voltage 10 30VDC 2 TXD RS 232 transmit data from the BPS 8 to th...

Страница 41: ...n IP 67 Degree of protection IP 67 is achieved only if the connectors and caps are screwed into place NOTE The switching input switching output are programmed via the BPS Configuration Tool config ura...

Страница 42: ...he voltage supply is connected via the PWR IN HOST RS232 socket Switching input Switching output BCL 5 pin socket A coded Pin Name Comment 1 VIN Supply voltage for BPS 8 4 9 5 4VDC 2 TXD RS 232 transm...

Страница 43: ...tput voltage operating voltage Operating voltage 10 30VDC Power consumption Max 0 5W without BPS 8 PWR IN HOST RS485 5 pin connector A coded Pin Name Comment 1 VIN Positive supply voltage 10 30VDC 2 R...

Страница 44: ...with standard M12 connectors If you use a sensor with a standard M 12 connector please note the following Use only sensors on which the switching output does not lie on pin 2 or sensor cables on whic...

Страница 45: ...ng RS 485 data interface as shown in Figure 7 11 and cannot be switched off Figure 7 11 Termination of the RS 485 interface in the MA 8 01 MA 8 02 CAUTION Degree of protection IP 67 Degree of protecti...

Страница 46: ...he BPS Configuration Tool software Download the installation software to your PC www leuze com Products Measuring Sensors Sensors for Positioning Bar Code Positioning Systems BPS 8 Name of the BPS 8 T...

Страница 47: ...ully installed and started the left side shows the default project Leuze electronic In this project every possible device has already been created This project is read only but can be edited arbitrari...

Страница 48: ...om the Leuze factory settings have a yellow back ground or frame color or are marked with the symbol for better orientation To reset all parameters of the selected device back to the Leuze factory set...

Страница 49: ...llowing labels mean Command name description of the symbol s command Command actual command sequence Click the Accept button and the new commands appear in the right third of the terminal window below...

Страница 50: ...ted by clicking on the button MA 8 01 MA 8 02 connection unit The MA 8 01 MA 8 02 connection unit is not relevant for the configuration and is thus not explicitly supported in the BPS Configuration To...

Страница 51: ...ands can be used to send commands directly to the BPS 8 for control and configuration For this the BPS 8 has to be connected to a host or service computer via the serial interface The commands describ...

Страница 52: ...ce into service mode This requires a V to be transmitted during the initialization phase of the BPS 8 Command Description Tab name Folder contents Control see page 53 Measurement start mode Measuremen...

Страница 53: ...s you will find in the last column of the tables cross references CR to parameters and input output data of other tabs which are directly related to the described parameter Pay attention to these cros...

Страница 54: ...fect on Static preset Offset 1 0 01 2 0 1 3 1 4 10 5 100 6 1 000 3 mm NOTE The resolution only determines the mathematical decimal value and has no effect on the measurement accuracy NOTE Maximum posi...

Страница 55: ...tput on the basis of the preset The preset remains stored in the BPS 8 and remains active even following a new start In order for the BPS 8 to again output the position value without the preset the Pr...

Страница 56: ...luence this behavior Parameter Description Value range Default Unit CR Scaling factor in Scaling factor used to convert the position val ues 0 65 535 1 000 NOTE This parameter affects the Offset value...

Страница 57: ...after the tolerance time has elapsed the last valid position value is output Position value in the case of failure parameter Parameter Description Value range Default Unit CR Min measure ment length...

Страница 58: ...parity 1 stop bit 3 7 data bits even parity 2 stop bits 4 7 data bits odd par ity 1 stop bit 5 7 data bits odd par ity 2 stop bits 6 8 data bits no parity 1 stop bit 7 8 data bits no parity 2 stop bi...

Страница 59: ...RS 232 to RS 485 in the MA 8 01 is implemented entirely in hardware The communication settings for the RS 232 interface also apply to the RS 485 for this reason Parameter Description Value range Defau...

Страница 60: ...re the signal is reset 0 65535 0 ms Switch off delay in ms The parameter defines a time delay for the signal during switch off 0 65535 0 ms Function The parameter specifies the function which is to be...

Страница 61: ...hing output If the value is 0 the signal is static 0 1300 400 ms Switch on func tion EF The parameter specifies the events which set the switching output Each 0 Not active 1 Active outside measurement...

Страница 62: ...individually adapt the binary protocols 1 and 6 to the specific requirements of the application The binary protocols 2 3 and 4 on the other hand have a fixed structure and cannot be modified Data form...

Страница 63: ...t SLEEP Priority 4 Position data request POS Priority 5 Request for one time transmission of position data SINGLE 9 1 3 BPS 8 SM 10x 01 BPS 8 SM 10x 05 response telegram The response telegram consists...

Страница 64: ...AA1 Data byte 2 A 41h 01000001b Byte Bit Name Function Description 0 0 ERR Internal error 1 An internal error has occurred 0 No error exists 1 OUT Tape error 1 No bar code decodable 0 Bar code decodab...

Страница 65: ...te 4 1 31h 00110001b Byte no Designation Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Status byte 0 Q1 Q0 SLEEP MM D OUT ERR 1 Data byte 1 0 0 0 0 0 0 0 0 2 Data byte 2 0 1 0 0 0 0 0 1 3 Data byt...

Страница 66: ...ck rate Marker bar code in the detection range The respective MM bit in the status byte is set Marker data are stored in the memory Marker data can only be overwritten by new marker data The memory is...

Страница 67: ...he data bytes 2 4 Data byte 2 First diagnostic data character Data byte 3 Second diagnostic data character Data byte 4 Third diagnostic data character Possible diagnostic data E01 interface problem E0...

Страница 68: ...ots and there is no valid position data yet the error message No decodable bar code bit OUT is generated Byte no Designation Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Status byte 0 Q1 Q0 SLEEP...

Страница 69: ...Bit 1 Bit 0 0 Request byte 1 0 1 1 S2 S1 S0 A1 A0 Byte Bit Name Function Description 0 0 A0 Address A1A0 in RS 485 network 00 Address 0 01 Address 1 1 A1 10 Address 2 11 Address 3 2 S0 Coded data requ...

Страница 70: ...P19 P18 P17 P16 2 Data byte 2 0 P15 P14 P13 P12 P11 P10 P09 P08 3 Data byte 3 0 P07 P06 P05 P04 P03 P02 P01 P00 4 XOR combination Bitwise exclusive OR combination of bytes 0 to 3 5 Repetition of data...

Страница 71: ...the BPS 8 and there is a marker data request E00 is transmitted NOTE For more detailed information on marker bar codes see see chapter 5 3 Marker bar codes on see page 22 Byte no Designation Bit 8 Bit...

Страница 72: ...BPS speed or on the control s clock rate Marker bar code in the detection range The respective M bit in the status byte is set Marker data are stored in the memory Marker data can only be overwritten...

Страница 73: ...a byte 1 First diagnostic data character Data byte 2 Second diagnostic data character Data byte 3 Third diagnostic data character Possible diagnostic data E01 interface problem E02 motor problem E03 l...

Страница 74: ...0 0 1 1 0 1 0 1 4 XOR combination Bitwise exclusive OR combination of bytes 0 to 3 5 Repetition of data byte 1 0 0 1 0 0 0 1 0 1 6 Repetition of data byte 2 0 0 0 1 1 0 0 0 0 7 Repetition of data byt...

Страница 75: ...consists of 5 bytes Byte Bit Name Function Description 0 0 A0 Address A1A0 in RS 485 network 00 Address 0 01 Address 1 1 A1 10 Address 2 11 Address 3 2 None Without function bit permanently set to 0...

Страница 76: ...ple output of diagnostic data Byte no Designation Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Status byte 0 SLEEP A1 A0 CALC DB OUT ERR 1 Data byte 1 0 P20 P19 P18 P17 P16 P15 P14 2 Data byte 2...

Страница 77: ...t 6 in status byte is set to 1 the BPS is in Standby mode In a diagnostic response during Standby mode the bits CALC DB and SLEEP are set as follows CALC 0 DB 0 SLEEP 1 In Standby mode the data bits P...

Страница 78: ...gth of the response telegram number of data bytes status byte permissible value 5d 4 data bytes 1 status byte in the response 8 None Without function bit permanently set to 0 3 0 7 F0 F7 Function iden...

Страница 79: ...pprox 35ms with the function identifier Request position data or Request one time transmission of position data this request is answered with a response time of 4 ms 9 4 3 BPS 8 SM 10x 04 response tel...

Страница 80: ...tioning mode 8 None Without function bit permanently set to 0 4 0 OUT Tape error 1 No bar code decodable 0 Bar code decodable 1 RNG Measurement range error 1 Configured measurement range exceeded unde...

Страница 81: ...s Due to the combination of the requests Activate positioning mode and Request one time transmis sion of position data a response is sent within 4 ms With request cycle times of 35ms an alter nating r...

Страница 82: ...Bit s Number of data bits 8 Number of start bits 1 Number of stop bits 1 Parity None Addressing None Operating mode RS 232 full duplex Handshake None Byte no Designation Bit 7 Bit 6 Bit 5 Bit 4 Bit 3...

Страница 83: ...16 3 Data byte 3 P15 P14 P13 P12 P11 P10 P09 P08 4 Data byte 4 P07 P06 P05 P04 P03 P02 P01 P00 5 XOR combination Bitwise exclusive OR combination of bytes 0 to 4 Byte Bit Name Function Description 0 0...

Страница 84: ...problem E04 internal problem E05 position data outside of measurement range E09 invalid control bar code Example output of diagnostic data Diagnostic data E05 Data byte 2 E 45h 01000101b Data byte 3 0...

Страница 85: ...Possible error cause Measures Status LED off No supply voltage connected to the device Check supply voltage Status LED Red flashing Warning Query diagnostic data and carry out the resulting measures...

Страница 86: ...tings Check wiring Check baud rate Check protocol settings Sporadic errors on the RS 232 RS 485 interface Incorrect wiring Effects due to EMC Overall network expansion exceeded Check wiring in particu...

Страница 87: ...ntact your Leuze distributor or service organization should repairs be required The addresses can be found at www leuze com When sending devices to Leuze electronic for repair please provide an accura...

Страница 88: ...imum position value is 9999 99 m Special tapes longer than 300 m are delivered wound on multiple rolls An entry wizard is available for special tapes on the Leuze website under the BPS 8 Accessories h...

Страница 89: ...ered as a special tape Repair tapes are available in tape heights of 47 mm and 25 mm Repair tapes are printed below the bar code with the corresponding position value Repair tapes are usually delivere...

Страница 90: ...cable 5 wire M12 connector angled A coded to M12 socket straight A coded shielded 2m 50133884 KDS S M12 5A M12 5W P1 030 Interconnection cable 5 wire M12 connector angled A coded to M12 socket straigh...

Страница 91: ...ew and accessories Leuze electronic GmbH Co KG BPS 8 91 12 7 Accessories Configuration software NOTE The current version of the BPS Configuration Tool can be downloaded from the Leuze home page at www...

Страница 92: ...ode positioning systems of the BPS 8 series have been developed and manufactured in accor dance with the applicable European standards and directives The manufacturer of the product Leuze electronic G...

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