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Sartorius Hamburg GmbH, Meiendorfer Str. 205, 22145 Hamburg, Germany
Tel:+49.40.67960.303 Fax:+49.40.67960.383
Digital Fieldbus Transmitter
PR 1720/00, -/01, -/10, -/11
Operating Manual
Operating Manual 9499 050 72003 Edition 3 29.06.2004
for PR 1720 Release 2.50
Sartorius PR-1720 operating ManualSartorius PR-1720 operating ManualSartorius PR-1720 operating ManualSartorius PR-1720 operating Manual
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PR 1720 Operation Manual Contents
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Contents
1 DESCRIPTION ............................................................................................................................. 7
1.1 INTERFACES ............................................................................................................................................................8
1.1.1 Serial interfaces....................................................................................................................................................................... 8
1.1.2 Fieldbus interface.................................................................................................................................................................... 9
1.1.3 Analog output.......................................................................................................................................................................... 9
1.1.4 Digital interfaces..................................................................................................................................................................... 9
1.2 LIMITS .................................................................................................................................................................10
1.3 CONTROL SIGNALS ............................................................................................................................................... 10
1.4 REMOTE DISPLAY.................................................................................................................................................. 10
2 SAFETY HINTS, POWER CONNECTION ................................................................................11
2.1 INITIAL INSPECTION.............................................................................................................................................. 11
2.2 M
OUNTING POSITION........................................................................................................................................... 11
2.2.1 Housing in stainless steel (Version PR 1720/10 and -/11) ......................................................................................12
2.3 BEFORE COMMISSIONING..................................................................................................................................... 12
2.4 OPENING THE INSTRUMENT .................................................................................................................................. 12
2.5 SUPPLY VOLTAGES/MAINS CONNECTION ...............................................................................................................13
2.5.1 24 VAC version PR 1720/01 and -/11 ............................................................................................................................13
2.6 MAINTENANCE..................................................................................................................................................... 14
2.6.1 Fuse............................................................................................................................................................................................14
2.6.2 Soldering..................................................................................................................................................................................14
2.7 REPAIR ................................................................................................................................................................ 15
2.7.1 For special attention............................................................................................................................................................15
2.7.2 Failure and excessive stress ...............................................................................................................................................15
2.8 DISPOSAL............................................................................................................................................................. 15
3 INSTALLATION .........................................................................................................................16
3.1 C
ONNECTIONS ..................................................................................................................................................... 16
3.2 C
ONNECTION OF 2 TO 8 LOAD CELLS VIA PR 6130 CABLE JUNCTION BOX ..........................................................18
3.2.1 Direct connection of 1 load cell ......................................................................................................................................18
3.3 CONNECTION OF 2 TO 4 LOAD CELLS WITH PR 1722 CONNECTION SUB-UNIT ....................................................19
3.4 DIGITAL OUTPUTS ................................................................................................................................................. 20
3.5 D
IGITAL INPUTS.................................................................................................................................................... 20
3.6 A
NALOG OUTPUT.................................................................................................................................................. 21
3.7 OPERATOR/SERVICE INTERFACE RS232 ............................................................................................................... 22
3.8 SERIAL (COMMUNICATION) INTERFACES............................................................................................................... 23
3.8.1 RS 232.......................................................................................................................................................................................24
3.8.2 Current loop............................................................................................................................................................................25
3.8.3 RS 422/485..............................................................................................................................................................................26
3.8.4 RS422/485 BUS......................................................................................................................................................................27
3.8.5 RS 422/485 BUS 2- wire..................................................................................................................................................... 28
3.8.6 Solder links on the interface modules...........................................................................................................................29
3.9 PR 1721
FIELDBUS INTERFACE ...........................................................................................................................30
3.9.1 PR1721/11 Profibus-DP (option)......................................................................................................................................31
3.9.2 PR1721/12 Interbus-S (Option)........................................................................................................................................32
3.9.3 PR1721/14 DeviceNet Interface.......................................................................................................................................33
4 SURVEY/FUNCTION.................................................................................................................35
4.1 FUNCTION BLOCKS ............................................................................................................................................... 35
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Contents PR 1720 Operation Manual
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4.1.1 Galvanic isolation................................................................................................................................................................. 35
4.2 DATA BACK-UP/MAINS FAILURE ...........................................................................................................................36
4.2.1 Calibration data.................................................................................................................................................................... 36
4.2.2 Configuration data .............................................................................................................................................................. 36
4.3 SURVEY OF PARAMETERS CALIBRATION/CONFIGURATION.......................................................................................37
4.3.1 Limit, fixed tare, fixed analog output value ............................................................................................................... 37
4.4 COMMISSIONING .................................................................................................................................................38
4.4.1 Terminal configuration....................................................................................................................................................... 38
4.4.2 Boot messages....................................................................................................................................................................... 39
4.4.3 Start-up screen,
Operating level
........................................................................................................................ 40
4.4.3.1 Weight display ....................................................................................................................................................................................40
4.4.3.2 Status display ...................................................................................................................................................................................... 40
4.4.3.3 Key functions ...................................................................................................................................................................................... 41
4.4.3.4 Menu control in the masks............................................................................................................................................................. 41
4.4.4 Entry of parameters for limits and fixed tare value................................................................................................. 42
4.4.5 SPM marker, setting/resetting via the terminal......................................................................................................... 44
5 CALIBRATION .......................................................................................................................... 45
5.1 ENTRY PROCEDURE - CALIBRATION.......................................................................................................................45
5.2 CALIBRATION MENU .............................................................................................................................................46
5.3 MEASUREMENT PARAMETER FILTERS ....................................................................................................................48
5.4 CALIBRATING THE INDICATOR ...............................................................................................................................49
5.4.1 Calibration by means of weights .................................................................................................................................... 50
5.4.1.1 Hysteresis correction......................................................................................................................................................................... 50
5.4.1.2 Step-by-step calibration..................................................................................................................................................................51
5.4.2 Adjustment with load cell data....................................................................................................................................... 52
5.4.2.1 Gravity: increased accuracy due to gravity correction.......................................................................................................... 52
5.4.3 Adjustment via SPAN, entry of mV/V data .................................................................................................................. 53
5.4.3.1 SPAN calculation in mV/V ............................................................................................................................................................... 53
5.4.4 End of calibration................................................................................................................................................................. 54
5.5 CHANGING THE CALIBRATION SUBSEQUENTLY .......................................................................................................55
5.6 ERROR MESSAGES ................................................................................................................................................56
5.6.1 Error messages on the weight display........................................................................................................................... 56
5.6.2 Error messages during calibration menu selection................................................................................................... 56
5.6.3 Error messages during the calibration menu.............................................................................................................. 56
6 CONFIGURATION .................................................................................................................... 57
6.1 CONFIGURING THE ANALOG OUTPUT .....................................................................................................................58
6.2 C
ONDITIONS FOR LIMIT VALUES, DIGITAL INPUTS AND OUTPUTS.............................................................................60
6.2.1 Configuring digital inputs and outputs........................................................................................................................ 61
6.2.1.1 Configuring outputs ......................................................................................................................................................................... 61
6.2.1.2 Configuring inputs ............................................................................................................................................................................62
6.2.2 Configuring limit values .................................................................................................................................................... 63
6.3 T
ERMINAL KEY CONFIGURATION.............................................................................................................................65
6.4 ACCESS CODES .....................................................................................................................................................66
6.5 CONFIGURING OPERATING INTERFACE FOR REMOTE DISPLAY OPERATION................................................................67
6.6 CONFIGURING FIELD BUS INTERFACE AND PROTOCOL.............................................................................................68
6.6.1 Interbus S selection ............................................................................................................................................................. 68
6.6.2 Profibus DP selection.......................................................................................................................................................... 68
6.6.3 DeviceNet................................................................................................................................................................................ 69
6.7 SERIAL INTERFACE (SUPERVISORY SYSTEM) ...........................................................................................................70
6.7.1 Printer ...................................................................................................................................................................................... 71
6.7.2 Remote display at serial interface.................................................................................................................................. 72
6.8 DISPLAY ...............................................................................................................................................................74
6.9 SAVE DATA, CREATE/RELOAD BACK-UP FILE ..........................................................................................................75
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PR 1720 Operation Manual Contents
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6.9.1 Save data, create back-up file..........................................................................................................................................75
6.9.2 Load data into PR1720 .......................................................................................................................................................76
6.9.3 Print calibration/configuration parameters.................................................................................................................76
6.9.3.1 Configuring the hyperterminal .....................................................................................................................................................79
6.10 LEAVING CONFIGURATION AND SAVING THE CONFIGURATION PARAMETERS ....................................................... 80
7 CALIBRATION PARAMETERS.................................................................................................81
7.1 ANALOG FILTER.................................................................................................................................................... 81
7.2 TEST MODE ..........................................................................................................................................................81
7.3 CALIBRATED AT ....................................................................................................................................................81
7.4 DIGITAL FILTER..................................................................................................................................................... 81
7.5 DIMENSION ......................................................................................................................................................... 82
7.6 DONT PRINT BELOW .............................................................................................................................................82
7.7 OPERATION IN W AND M................................................................................................................................... 82
7.8 MEASURING TIME ................................................................................................................................................82
7.9 ZEROSET RANGE................................................................................................................................................... 83
7.10 A
UTOMATIC ZERO TRACKING ............................................................................................................................83
7.11 Z
EROTRACK RANGE........................................................................................................................................... 84
7.12 ZERO TRACK STEP ............................................................................................................................................. 84
7.13 ZEROTRACK REPEAT TIME.................................................................................................................................. 84
7.14 RESOLUTION..................................................................................................................................................... 84
7.15 FULLSCAL ........................................................................................................................................................85
7.16 STEPWIDTH...................................................................................................................................................... 85
7.17 STANDSTILL DETECTION .................................................................................................................................... 85
7.18 STANDSTILL RANGE ..........................................................................................................................................85
7.19 STANDSTILL TIME/NUMBER OF STANDSTILL SAMPLES......................................................................................... 86
7.20 CANCEL TARE COMMAND ................................................................................................................................. 86
7.21 OVERLOAD ....................................................................................................................................................... 86
8 SERIAL COMMUNICATION ....................................................................................................87
8.1 C
OMMUNICATION PROTOCOLS .............................................................................................................................87
8.1.1 JBUS protocol/MODBUS protocol ...................................................................................................................................87
8.1.2 DUST protocol ........................................................................................................................................................................88
8.1.3 EW protocol ............................................................................................................................................................................89
8.2 TELEGRAMS FOR EW AND DUST PROTOCOL........................................................................................................ 90
8.2.1 Data formats...........................................................................................................................................................................91
8.2.2 Example....................................................................................................................................................................................93
8.2.3 Error codes ..............................................................................................................................................................................94
8.3 C
OMMUNICATION WITH THE JBUS PROTOCOL ..................................................................................................... 95
8.3.1 Function 1 or 2: read n bits...............................................................................................................................................95
8.3.2 Function 3 or 4: read n successive words.....................................................................................................................96
8.3.3 Function 5: write a bit ........................................................................................................................................................97
8.3.4 Function 6: write word .......................................................................................................................................................97
8.3.5 Function 8: Diagnosis ..........................................................................................................................................................98
8.3.6 Function 15: write n successive bits...............................................................................................................................98
8.3.7 Function 16: write n successive words ..........................................................................................................................99
8.3.8 J-BUS error messages ..........................................................................................................................................................99
8.3.9 Example program for generating the CRC bytes .................................................................................................... 100
9 SPM ADDRESSES.................................................................................................................. 101
9.1 STATUS BITS FOR READING (READ ONLY) ............................................................................................................101
9.2 STATUS BITS FOR READ/WRITE............................................................................................................................102
9.3 S
TATUS BITS STATE-TRIGGERED (STATIC, READ/WRITE) .......................................................................................102
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9.4 STATUS BITS EDGE-TRIGGERED (READ - SET) ..................................................................................................... 102
9.5 BYTES FOR CALIBRATION INFORMATION............................................................................................................. 103
9.5.1 SPM addresses for statuses in the analog part/load cell circuitry.....................................................................103
9.6 NUMERIC WEIGHT VALUES, 32-BIT TWO’S COMPLEMENT .................................................................................. 104
9.6.1 Printed weight values .......................................................................................................................................................104
9.6.2 Limit values and fixed values .........................................................................................................................................104
10 FIELDBUSES ........................................................................................................................105
10.1 INTERBUS-S, PROFIBUS-DP AND DEVICENET ............................................................................................... 105
10.1.1 Technical data fieldbusses...............................................................................................................................................105
10.1.2 Interface function Profibus-DP, DeviceNet............................................................................................................... 106
10.1.3 Interface function Interbus-S........................................................................................................................................106
10.1.4 Process data .........................................................................................................................................................................106
10.1.4.1 Data description ..........................................................................................................................................................................107
10.1.4.2 Output area...................................................................................................................................................................................107
10.1.4.3 Input area ......................................................................................................................................................................................107
11 TECHNICAL DATA ..............................................................................................................111
11.1 CHARACTERISTICS, SPECIFICATIONS............................................................................................................... 111
11.2 GENERAL DATA ............................................................................................................................................. 111
11.3 ACCURACY AND STABILITY ............................................................................................................................. 111
11.3.1 A/D Conversion....................................................................................................................................................................111
11.3.2 Sensivity ................................................................................................................................................................................111
11.4 LOAD CELLS ................................................................................................................................................... 112
11.5 LOAD CELL CONNECTION................................................................................................................................ 112
11.6 ANALOG OUTPUT ........................................................................................................................................... 112
11.7 DIGITAL INPUTS ............................................................................................................................................. 112
11.8 DIGITAL OUTPUTS........................................................................................................................................... 112
11.9 DISPLAY ........................................................................................................................................................ 112
11.10 CONFIGURATION/CALIBRATION .................................................................................................................. 113
11.11 SERIAL INTERFACE...................................................................................................................................... 113
11.11.1 Operating interface/service interface..................................................................................................................... 113
11.11.2 Communication interface........................................................................................................................................... 113
11.12 P
ROTOCOLS, FIELD BUSES........................................................................................................................... 113
11.13 POWER SUPPLY.......................................................................................................................................... 113
11.14 ENVIRONMENTAL CONDITIONS................................................................................................................... 113
11.15 E
LECTROMAGNETIC COMPATIBILITY............................................................................................................ 114
11.16 RF INTERFERENCE SUPPRESSION ................................................................................................................ 114
11.17 CE-C
ONFORMITY ...................................................................................................................................... 114
11.18 C
ONNECTION ............................................................................................................................................. 114
11.19 TYPE OF CONSTRUCTION............................................................................................................................. 114
11.20 DIMENSIONS, WEIGHT .............................................................................................................................. 114
11.21 ACCESSORIES............................................................................................................................................. 114
12 ANNEX .................................................................................................................................115
12.1 GSD FILE FOR PR1721 PROFIBUS DP.......................................................................................................... 115
12.2 EDS-FILE FOR PR1721 DEVICENET ............................................................................................................. 116
12.3 PTB CERTIFICATE .......................................................................................................................................... 117
12.4 INDEX............................................................................................................................................................ 118
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