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Kokkedal Industripark 4

 

           

DK-2980 Kokkedal 

         

 

Denmark 

  

[email protected] 

         

 

Tel 

  

+45 49 180 100 

         

Fax      

+45 49 180 200 

 

Applies for: 

Program no.: 

CONCTR_4.091117.0 

Document no.:  1117mu2035-2010-0a.DOC 

Date: 2011-05-17 

Rev.: 0a 

 

 

MCE2035 PROFIBUS DP MODULE 

Transfer the status and weight of digital loadcells 

Содержание MCE2010

Страница 1: ...Denmark info eilersen com Tel 45 49 180 100 Fax 45 49 180 200 Applies for Program no CONCTR_4 091117 0 Document no 1117mu2035 2010 0a DOC Date 2011 05 17 Rev 0a MCE2035 PROFIBUS DP MODULE Transfer th...

Страница 2: ...time 11 5 4 Filtering 11 5 5 Scaling 11 6 DATA PROCESSING 12 6 1 Zeroing calibration and weight calculation 12 6 1 1 Zeroing of weighing system 12 6 1 2 Corner calibration of weighing system 12 6 1 3...

Страница 3: ...e connected load cells Functions as zeroing calibration and calculation of system weight s must be implemented on the Profibus DP master By use of DIP switches it is possible to select measurement tim...

Страница 4: ...e load cell module Load cells and load cell modules MUST NOT be intermixed because the program in each load cell module is SPECIALLY adapted to one load cell only and only this load cell The load cell...

Страница 5: ...Not used Switch SW1 5 to SW1 8 are used for address selection All load cell modules must have unique addresses ascending from 0 with no gaps unless expressly specified otherwise No addresses may be s...

Страница 6: ...hese terminals have no external connection and must be left open The J2 connector is used for connecting equipment load cell modules communication modules etc on the digital load cell bus by using the...

Страница 7: ...MCE2035 User manual Version 2011 05 17 rev 0a Page 7...

Страница 8: ...format LcStatus X is a word two bytes that constitute a register containing the actual status for load cell X LcStatus X is always transferred in 16 bit unsigned integer format During normal operation...

Страница 9: ...xadecimal Binary MSB first 20000000 0xFECED300 11111110 11001110 11010011 00000000 2000000 0xFFE17B80 11111111 11100001 01111011 10000000 200000 0xFFFCF2C0 11111111 11111100 11110010 11000000 20000 0x...

Страница 10: ...1 2 7 2 8 2 15 2 16 2 23 Sign Exponent Mantissa Mantissa Mantissa Formula Value 1 S 2 exponent 127 I Mantissa Example Byte1 Byte2 Byte3 Byte4 0100 0000 1111 0000 0000 0000 0000 0000 Value 1 0 2 129 12...

Страница 11: ...ad cell sig nals achieved over the selected measurement period through one of the following FIR fil ters before the results are transmitted on the Profibus Frequency SW1 4 SW1 3 No Taps Tavg 20ms Tavg...

Страница 12: ...al weight signals for the load cells of the actual system in corresponding zeroing registers LcZero x LcSignal x 3 After this the uncalibrated gross weight for load cell X can be calculated as LcGross...

Страница 13: ...t calibration of the system it is recommended that the used cali bration load is at least 50 of the system capacity 3 Calculate the calibration factor that should be multiplied on the uncalibrated sys...

Страница 14: ...possibly a termination is made at this Profibus DP slave 6 The address of the Profibus DP module is set using Sw2 2 Sw2 8 Power is applied and the Profibus DP communication is started 7 Verify that t...

Страница 15: ...module I O GND 24V GND GND MCE9601 B A Ribbon cable for loadcell bus BNC connectors for load cells 9 pole SUB D connector 1 2 4 RTS Request to send 5 0 Vdc Gnd 6 5VDC Vout 7 8 RS485 B negative line Si...

Страница 16: ...ell interface modules MCE2010 and to the 10 pole connector on the MCE9601 connection module using the supplied ribbon cable with mounted connectors Through this bus cable connection of power supply to...

Страница 17: ...rlier chapter Note that these switches are only read during power on Sw2 2 Sw2 8 Selection of Profibus DP communication address The address is selected as the DIP switches are binary coded so Sw2 2 is...

Страница 18: ...U6 Reserved for future use normal default factory setting is OFF JU7 Selection of 32 Bit Signed Integer IEEE754 data format The jumper determines if the weight indications in the telegram are in 32 bi...

Страница 19: ...Siemens designation B line J1 4 Request to Send RTS J1 5 0 VDC Gnd J1 6 5VDC Vout J1 7 Not used J1 8 RS485 B negative line Siemens designation A line J1 9 Not used Note that some companies use differe...

Страница 20: ...cells is to low 0020 Overflow in weight calculation Internal error in load cell module 0040 Invalid missing latch ID Bad connection between communication module and load cell module 0080 No answer fr...

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