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PROFIBUS DP byte reference list 

 

PROFIBUS manual 

Version FELD-V2002.02 

Page 19 

 

5.5  Byte reference list 

5.5.1  Mode 1 (PLC-Out) 

 

Data from master to slave 

 

Byte 

Function 

Section

Comments 

 0 

PLC inputs Byte 1 

5.1.1 

 

 1 

PLC inputs Byte 2 

5.1.2 

 

 

Data from slave to master 

 

Byte

  Function 

Section

Comments 

 

0 

PLC outputs Byte 1

 

5.3.1 

 

 

1 

PLC outputs Byte 2

 

5.3.2 

 

 

2 

PLC outputs Byte 3

 

5.3.3 

 

 

5.5.2  Mode 2 (PLC-Out, min. general curve data) 

 

Data from master to slave 

 

Byte 

Function 

Section

Comments 

 0 

PLC inputs Byte 1 

5.1.1 

 

 1 

PLC inputs Byte 2 

5.1.2 

 

 

Data from slave to master 

 

Byte 

Function 

Section

Comments 

 0 

PLC outputs (1st byte)

 

5.3.1  

 1 

PLC outputs (2nd byte)

 

5.3.2  

 2 

PLC outputs (3rd byte)

 

5.3.3  

 3 

AbsMinY; X-coord. (1st byte) 

5.4.1 

min. general curve data:  

 4 

AbsMinY; X-coord. (2nd byte) 

5.4.1 

Min. Y of whole curve 

 5 

AbsMinY; X-coord. (3rd byte) 5.4.1 

X-coordinate 

 6 

AbsMinY; X-coord. (4th byte) 

5.4.1 

(32-bit float) 

 7 

AbsMinY; Y-coord. (1st byte) 

5.4.1 

min. general curve data:  

 8 

AbsMinY; Y-coord. (2nd byte) 

5.4.1 

Min. Y of whole curve 

 9 

AbsMinY; Y-coord. (3rd byte) 5.4.1 

Y-coordinate 

 10 

AbsMinY; Y-coord. (4th byte) 

5.4.1 

(32-bit float) 

 11 

AbsMaxY; X-coord. (1st byte) 

5.4.1 

min. general curve data:  

 12 

AbsMaxY; X-coord. (2nd byte) 

5.4.1 

Max. Y of whole curve 

 13 

AbsMaxY; X-coord. (3rd byte) 5.4.1 

X-coordinate 

 14 

AbsMaxY; X-coord. (4th byte) 

5.4.1 

(32-bit float) 

 

continued on next page 

Содержание DIGIFORCE 9310

Страница 1: ...ut prior notification Reproduction of any part of this document or its processing using electronic systems is prohibited without prior written approval burster provides no warranty whatsoever for this...

Страница 2: ...sors made by burster praezisionsmesstechnik hereinafter referred to as product are the results of targeted development and meticulous research As of the date of delivery burster provides a warranty fo...

Страница 3: ...that arise when reading floating point numbers 14 5 PROFIBUS DP data protocol 15 5 1 Transfer from master to slave 15 5 2 Message structure Transfer from slave to master 16 5 3 Meaning of the contents...

Страница 4: ...Content Page 4 Version FELD V2002 02 PROFIBUS manual...

Страница 5: ...peration of the equipment described in this documentation You are a commissioning or service engineer and have successfully completed a training course qualifying you to repair automation systems In a...

Страница 6: ...lish a safe operating state in the event of a fault This may be achieved using limit switches mechanical interlocks etc for example 1 4 Symbols CAUTION This information must be observed to prevent dam...

Страница 7: ...kage paths To DIN EN 61131 2 and DIN EN 50178 Overvoltage category II Pollution degree 2 Electrical isolation Between fieldbus and internal electronics Withstand voltage DC 500 V Electromagnetic compa...

Страница 8: ...line is a shielded twisted pair cable The fieldbus line is specified in EN 50 170 as cable type A and must comply with specific cable parameters Cable type B also specified in EN 50 170 is obsolete an...

Страница 9: ...rmination at the start and end of the bus line The bus termination uses the supply voltage VP from the device so ensure that the voltage supply to the slave device on which the bus termination is inst...

Страница 10: ...ESS 002 WATCHDOG OFF CONTROLLER PROFIBUS DATA MODE 9 BAUD RATE 1 5 MBAUD VERSION 200201 001 to 126 ON OFF PLC PROFIBUS 1 9 9 6 kB 12 MB Internal watchdog The communications processor monitors the meas...

Страница 11: ...ter A DP master exchanges data with the slaves via PROFIBUS DP and monitors the bus It transfers the data between the higher level controller and the remote peripheral devices Slave The DP slaves form...

Страница 12: ...e same data length In general retrieving 240 bytes from a slave is too long for the user because it makes the total cycle time too long This is why different modified response lengths modes see page a...

Страница 13: ...tomer requirements as possible nine different combinations of different measurement results have been provided These different options specify what information is sent to the master The information co...

Страница 14: ...are binary numbers Example b1100 bin1100 1100b 1100bin 4 4 2 Handling problems that arise when reading floating point numbers This only concerns cases in which floating point numbers need to be read...

Страница 15: ...C inputs Byte 1 Master Slave Valid values START Bit 0 LSB TARA Y Bit 1 Set spare bits to 0 TARA X Bit 2 RESET STATISTICS Bit 3 SENSORTEST Bit 4 spare Bit 5 spare Bit 6 spare Bit 7 MSB 5 1 2 PLC inputs...

Страница 16: ...6 PLC W1 W2E E 3 32 35 bytes 7 PLC Full general curve data W1 W2E E 3 48 32 83 bytes 8 PLC W1 W3E E 3 48 51 bytes 9 PLC Full general curve data W1 W3E E 3 48 48 99 bytes Where WXE E stands for Window...

Страница 17: ...pare Bit 6 spare Bit 7 MSB 5 3 2 PLC outputs Byte 2 program addressing switching points PLC outputs Byte 2 Slave Master Valid values STROBE Bit 0 LSB Prog0 Bit 1 Spare bits to are set to 0 Prog1 Bit 2...

Страница 18: ...ax Y of whole curve X coordinate Max Y of whole curve Y coordinate First curve value X coordinate First curve value Y coordinate Last curve value X coordinate Last curve value X coordinate 4 byte floa...

Страница 19: ...yte Function Section Comments 0 PLC outputs 1st byte 5 3 1 1 PLC outputs 2nd byte 5 3 2 2 PLC outputs 3rd byte 5 3 3 3 AbsMinY X coord 1st byte 5 4 1 min general curve data 4 AbsMinY X coord 2nd byte...

Страница 20: ...nts 0 PLC inputs 1st byte 5 1 1 1 PLC inputs 2nd byte 5 1 2 Data from slave to master Byte Function Section Comments 0 PLC outputs Byte 1 5 3 1 1 PLC outputs Byte 2 5 3 2 2 PLC outputs Byte 3 5 3 3 3...

Страница 21: ...ord 2nd byte 5 4 2 Max Y of whole curve 33 AbsMaxY Y coord 3rd byte 5 4 2 Y coordinate 34 AbsMaxY Y coord 4th byte 5 4 2 32 bit float 35 First Point X coord 1st byte 5 4 2 Full general curve data 36 F...

Страница 22: ...3rd byte 5 4 3 X coordinate 6 Entry window 1 X coord 4th byte 5 4 3 32 bit float 7 Entry window 1 Y coord 1st byte 5 4 3 Window 1 8 Entry window 1 Y coord 2nd byte 5 4 3 Entry 9 Entry window 1 Y coord...

Страница 23: ...byte 5 4 2 X coordinate 14 AbsMaxX X coord 4th byte 5 4 2 32 bit float 15 AbsMaxX Y coord 1st byte 5 4 2 Full general curve data 16 AbsMaxX Y coord 2nd byte 5 4 2 Max X of whole curve 17 AbsMaxX Y co...

Страница 24: ...5 4 2 Full general curve data 48 Last Point Y coord 2nd byte 5 4 2 Last curve value 49 Last Point Y coord 3rd byte 5 4 2 Y coordinate 50 Last Point Y coord 4th byte 5 4 2 32 bit float 51 Entry window...

Страница 25: ...4 X coordinate 14 Exit window 1 X coord 4th byte 5 4 4 32 bit float 15 Exit window 1 Y coord 1st byte 5 4 4 Window 1 16 Exit window 1 Y coord 2nd byte 5 4 4 Exit 17 Exit window 1 Y coord 3rd byte 5 4...

Страница 26: ...d byte 5 4 2 X coordinate 14 AbsMaxX X coord 4th byte 5 4 2 32 bit float 15 AbsMaxX Y coord 1st byte 5 4 2 Full general curve data 16 AbsMaxX Y coord 2nd byte 5 4 2 Max X of whole curve 17 AbsMaxX Y c...

Страница 27: ...te 5 4 3 Window 1 52 Entry window 1 X coord 2nd byte 5 4 3 Entry 53 Entry window 1 X coord 3rd byte 5 4 3 X coordinate 54 Entry window 1 X coord 4th byte 5 4 3 32 bit float 55 Entry window 1 Y coord 1...

Страница 28: ...X coord 1st byte 5 4 3 Window 1 4 Entry window 1 X coord 2nd byte 5 4 3 Entry 5 Entry window 1 X coord 3rd byte 5 4 3 X coordinate 6 Entry window 1 X coord 4th byte 5 4 3 32 bit float 7 Entry window 1...

Страница 29: ...4 Exit window 2 Y coord 4th byte 5 4 3 32 bit float 35 Entry window 3 X coord 1st byte 5 4 3 Window 3 36 Entry window 3 X coord 2nd byte 5 4 3 Entry 37 Entry window 3 X coord 3rd byte 5 4 3 X coordina...

Страница 30: ...d byte 5 4 2 X coordinate 14 AbsMaxX X coord 4th byte 5 4 2 32 bit float 15 AbsMaxX Y coord 1st byte 5 4 2 Full general curve data 16 AbsMaxX Y coord 2nd byte 5 4 2 Max X of whole curve 17 AbsMaxX Y c...

Страница 31: ...te 5 4 3 Window 1 52 Entry window 1 X coord 2nd byte 5 4 3 Entry 53 Entry window 1 X coord 3rd byte 5 4 3 X coordinate 54 Entry window 1 X coord 4th byte 5 4 3 32 bit float 55 Entry window 1 Y coord 1...

Страница 32: ...84 Entry window 3 X coord 2nd byte 5 4 3 Entry 85 Entry window 3 X coord 3rd byte 5 4 3 X coordinate 86 Entry window 3 X coord 4th byte 5 4 3 32 bit float 87 Entry window 3 Y coord 1st byte 5 4 3 Wind...

Страница 33: ...ndard for PROFIBUS DP and FMS Successor to the German standard DIN 19245 FDL Fieldbus Data Link also called Layer 2 FMS Fieldbus Message Specification Transmission protocol on the PROFIBUS whose stren...

Страница 34: ...tsdr The time that the slave must wait before it is allowed to respond to a request by the master Specified as 11 Tbit in the standard Octet Term used in EN 50 170 An octet equals exactly eight bits O...

Страница 35: ...e identification of the data to be transferred and requested within a message Each message contains a Source SAP and a Destination SAP exception data is transferred via the default SAP PLC Programmabl...

Страница 36: ...he three components The number is composed from this formula 0 1 2 1 127 mant x ex sign Equation 36 1 The mantissa is saved without the leading 1 hence the term 1 0 mant The exponent is represented wi...

Страница 37: ...Bit 7 MSB Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 LSB S E7 E6 E5 E4 E3 E2 E1 2nd byte second byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 E0 M22 M21 M20 M19 M18 M17 M16 3rd byte third byte B...

Страница 38: ...0 0000b S 0 E 0111 1110b M 100 0000 0000 0000 0000 0000b S 0 E 0x7E dec 126 M 0x400000 The value in the mantissa field is interpreted as places after the decimal point in the following way 1 0 0 0 0 0...

Страница 39: ...100 0000 0000 0000 0000 0000b Taking into account the exponent A negative exponent shifts the decimal point to the left a positive exponent to the right Thus if an exponent of 3 was calculated the dec...

Страница 40: ...not necessary however there are PROFIBUS masters whose conversion routine expects a different sequence Please follow the instructions below for changing the order The unit must only be opened by quali...

Страница 41: ...identifies pad 1 of the solder bridge Pads 1 and 2 are connected as standard 3 is not connected Use a scalpel knife to break the connection between pad 1 and 2 ensuring that there is no longer any ele...

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