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HBM DMP41, Описание интерфейса

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Communication with the DMP

RS‐232 interface

16

A03474_04_E00_00

  

HBM: public

DMP41

Serial interface characteristics (default settings)

Word length

8 bit

Stop bit

1

Parity

Even

Baud rate

300, 600, 1200, 2400

2)

, 4800

2)

, 9600

1)

,

19 200, 38400, 576000, 115200

1)

Factory setting

2)

Can only be set with command BDR

Baud rate, parity and stop bits can be set in the settings menu or by
command.

3.3.1

Activation of the RS‐232 interface

The HBM interpreter is activated by the control character:

S

CTRL B (STX) - Computer operation 

S

CTRL R (DC2) - Computer operation

Entering one of these control characters puts the device into the remote
control state “Computer Control" so that, apart from the display functions of
the display, it can still be operated but no longer set.

With the RS-232-C interface, all information generated is immediately output
once fully present in the output buffer.

You can deactivate the remote control state with the following commands:

DCL

 or 

CTRL A (SOH) or
with the RES and RST commands

Important

An RS232 interface can only be operated with the DMP41 via an adapter
(USB -> RS232).
A USB-RS232 adapter is included in the scope of delivery of the DMP41
(1-KAB297).

Содержание DMP41

Страница 1: ...Interface description and command set English DMP41 Digital precicion measuring device...

Страница 2: ...x 49 6151 803 9100 info hbm com www hbm com Mat 7 0102 0003 DVS A03474_04_E00_00 HBM public 03 2020 E Hottinger Baldwin Messtechnik GmbH Subject to modifications All product descriptions are for gener...

Страница 3: ...13 3 2 USB HOST interface 15 3 3 RS 232 interface 15 3 3 1 Activation of the RS 232 interface 16 3 3 2 Setting the interface 17 4 Program creation 19 4 1 Communication via the Ethernet interface Test...

Страница 4: ...fier input 39 5 3 2 Filter setting 42 5 3 3 Measuring range 45 5 3 4 Taring 49 5 3 5 Transfer of amplifier settings and comments 52 5 4 Amplifier functions 56 5 4 1 Output format measured value output...

Страница 5: ...ding all HBM interpreter commands Important You are currently reading the Interface description and command set operating manual For operation as a stand alone device please use the general operating...

Страница 6: ...index contains an index register to help you orientate yourself rapidly in the manual 1 1 1 Operation with PC This manual explains the operation of your HBM device with a computer S You can implement...

Страница 7: ...ary differences are Chapter C Communication with the DMP device This shows you how to activate the various interfaces and how to connect the DMP device to your computer Chapter D Program creation This...

Страница 8: ...ntation overview How to work with this manual 8 A03474_04_E00_00 HBM public DMP41 Appendix hang III Functional command overview You can also search for commands sorted by function Appendix IV Keyword...

Страница 9: ...P41 You can call up the Interpreter via the above mentioned interfaces All HBM Interpreter commands are shown in Chapter 5Command set of the HBM interpreter This chapter is to help you determine which...

Страница 10: ...Interface comparison 10 A03474_04_E00_00 HBM public DMP41...

Страница 11: ...dressing and routing of the data packets while the Transport Control Protocol TCP set up on it is responsible for data transport and security The Ethernet network supports speeds of 10 Mbit s and 100...

Страница 12: ...the network must be set for this remote access so that access is permitted see Chapter 3 1 1 If necessary contact the responsible network administrator Notes on operation in an Ethernet network In ord...

Страница 13: ...or access to the server firewall Important Cable connection for Ethernet interface If the interface cable for the interface is not connected an IP address cannot be set Ensure that the interface cable...

Страница 14: ...Communication with the DMP Ethernet interface 14 A03474_04_E00_00 HBM public DMP41...

Страница 15: ...c 1 Logic 0 Line level of the Y character with negative logic A START bit is set before each character data byte It is followed by the data bits and a STOP bit As the data are transferred serially the...

Страница 16: ...TRL B STX Computer operation S CTRL R DC2 Computer operation Entering one of these control characters puts the device into the remote control state Computer Control so that apart from the display func...

Страница 17: ...lic 17 3 3 2 Setting the interface The menu Hardware RS232 or the commands BDR can be used to set S the baud rate S the parity and S the number of stop bits Baud rates 300 600 1200 2400 4800 9600 1920...

Страница 18: ...Communication with the DMP RS 232 interface 18 A03474_04_E00_00 HBM public DMP41...

Страница 19: ...he DMP41 via Ethernet interfaces The applicable demo program is on the supplied system CD under DMP41Demo In order to use the demo program you need the free program Microsoft Visual Studio Express 1 C...

Страница 20: ...41Demo S Enter the IP address of your DMP41 S Click in sequence from 1 to 4 Jump to the appropriate point 1 4 in the program with a double click see following page Extract from the example program Con...

Страница 21: ...nt WriteLine ASS2 Transducer signal Measure myTCPClient WriteLine AFS1 Select Filter 1 myTCPClient WriteLine ASF1 6 1 Set filter limit frequency myTCPClient WriteLine CMR2 Select scaled signal myTCPCl...

Страница 22: ...Program creation Communication via the Ethernet interface Test program 22 A03474_04_E00_00 HBM public DMP41...

Страница 23: ...s separated from each other by commas E g CHS 3 x Space S Prefixed and suffixed empty spaces blanks are ignored for parameters Command types Setting commands Query commands S The setting and query com...

Страница 24: ...knowledgment behavior S You can select whether the response of the DMP41 should be output or not following setting commands Output commands indicated by a always generate output data see SRB command O...

Страница 25: ...1 2 Command structure Command shortform Parameter End character TTT p1 p2 pn x Example PRE x only in IEEE standard commands TTT Command shortform as alpha character a z only in query commands p1 p2 p...

Страница 26: ...ct on all selected active channels see CHS command 5 1 3 Data output structure q1 q2 qn y Example 1 IDN x HBM DMP41 4D 5B B9 02 00 00 1 0 3 2 y Example 2 CHS 0 x 3 y The responses sent by the DMP41 ar...

Страница 27: ...p1 p2 x Parameter The significance of any parameters is explained E g If in command ASA the parameter p1 1 this means 2 5V bridge excitation voltage Effect E g Explanation how the DMP41 is set Respons...

Страница 28: ...frequency and filter characteristic ASF Set baud rate of serial interface BDR Start zero setting input zero value CDW Clear peak value memory CPV Input of unit ENU Input display full scale decimal po...

Страница 29: ...Select amplifier channels CHS Measuring range switchover CMR Measured value output format COF Output of device identification IDN Set measured value transfer rate ISR Output measured value MSV Request...

Страница 30: ...18 decimal CTRL B Start of computer communication ASCII code 2 decimal Channel Select Select amplifier channel Syntax CHS p1 x Parameter p1 p1 Channel encoding value 1 63 Channel combinations are set...

Страница 31: ...ing value 1 2 3 Example 2 Only channel 2 should be selected CHS2 x 0 y Channel 2 is selected Important The commands for the amplifier settings and the amplifier functions only affect the selected chan...

Страница 32: ...are present in the device CHS 0 x 3 y DMP41S2 is equipped with Channel 1 and 2 Example 2 Query Which channels are selected CHS 1 x 1 y Channel 1 is selected or CHS can also be sent instead of CHS 0 R...

Страница 33: ...7600 115200 p3 Stop Bits p4 The settings apply for the following interfaces 1 1 Stop Bit1 0 The interface from which the DMP41 is operated 2 2 Stop Bits 1 RS 232 C 3 1 Factory setting The transmission...

Страница 34: ...aud Rate Query Output baud rate of serial interfaces Syntax BDR p1 x Parameter p1 Interface whose baud rate is being queried 0 The interface from which the DMP41 is operated 1 RS 232 C interface 2 RS...

Страница 35: ...Response is returned Effect There are two command modes a Output commands e g MSV that are identified by a question mark generate output data independently of the interface acknowledgement behavior s...

Страница 36: ...response 0 or Select Response Behavior Query Output of the interface acknowledgement behavior Syntax SRB x Parameter none Effect The output behavior acknowledgement switched on or off of the interfac...

Страница 37: ...error Bit2 No calibration carried out Bit3 Timeout output stage Bit4 Amplifier overloaded Bit5 Sense lead 2 2 interrupted Bit6 Sense lead 3 3 interrupted Bit7 Calibration running Bit8 Background cali...

Страница 38: ...EDS Data 1 TID Example TED 3 1 x 57000000932E9C23 5 2 4 Identification Amplifier Identification Query Output of amplifier identification Syntax AID x Parameter none Effect Output of amplifier identifi...

Страница 39: ...r settings 5 3 1 Amplifier input Amplifier Sensor Adaptation Input bridge excitation voltage and transducer type Syntax ASA p1 p2 x Parameter p1 Code number of required bridge excitation voltage p1 Br...

Страница 40: ...cer type Syntax ASA p1 x Parameter p1 0 Output bridge excitation voltage and input sensitivity settings 1 Output table of possible bridge excitation voltage and input sensitivity settings Effect The a...

Страница 41: ...5 V excitation Each element corresponds to the transducer type to be set see assignment of code number to transducer type Each element in the table is 1 character long Amplifier Signal Select Select...

Страница 42: ...fier input is switched to MEAS Example ASS x 2 y Amplifier input is switched to MEAS measurement signal 5 3 2 Filter setting Amplifier Filtering Select Filter switchover fc 1 2 Syntax AFS p1 x Paramet...

Страница 43: ...cut off frequency and filter characteristic Syntax ASF p1 p2 p3 x Parameter p1 Filter code number 1 fc1 2 fc2 p2 Filter frequency 1 n Code number for frequency value equivalent to the index in the fre...

Страница 44: ...ncy and filter characteristic Syntax ASF p1 x Parameter p1 Filter code number 0 Frequency table Bessel and Butterworth 1 Filter fc1 2 Filter fc2 Effect Output of cut off frequency and filter character...

Страница 45: ...y Hz Butterworth Hz 1 40 00 40 000 2 20 00 20 000 3 10 00 10 000 4 8 00 8 000 5 4 00 4 000 6 2 00 2 000 7 1 00 1 000 8 0 80 0 800 9 0 40 0 400 10 0 20 0 200 11 0 10 0 100 12 0 08 0 080 13 0 04 0 040 5...

Страница 46: ...lute value is sent for p1 the momentarily present gross measurement signal is set to zero CDW7680000 x 0 y Zero value set to 7680000 ADU CDW2 5 11 x 0 y Zero value set to 2 5 mV V CDW780 75 12 x 0 y Z...

Страница 47: ...value in mV V 12 Zero value in scaled units Effect This command outputs the zero value from the memory or the actual absolute value Response q1 y q1 Zero value in equal to p1 required unit 7680000 AD...

Страница 48: ...ing range is switched on Response Acknowledge ment Significance 0 Command executed Error Example CMR2 x 0 y Measuring range 2 set Change Measuring Range Query Output of measuring range Syntax CMR x Pa...

Страница 49: ...he net measured value is tared Response Acknowledge ment Significance 0 Command executed Error Example 1 Start taring TAR x 0 y Important Taring is implemented mathematically not by comparing the inpu...

Страница 50: ...n value Tare value in ADU 0 Tare value in ADU 1 Actual gross measured value in ADU 10 Tare value in ADU 11 Tare value in mV V 12 Tare value in scaled units Effect The tare value is output equal to p1...

Страница 51: ...annels tared set to zero Example CHS63 x 0 CDW x ESM 3 Channel 1 and Channel 2 could not be set to zero Clear Peak Value Clear peak value memory Syntax CPV x Parameter none Effect The peak value memor...

Страница 52: ...ttings 1 Restore User Settings 2 Save User Settings p1 Comments 5 Restore User Channel Names 6 Save User Channel Names Effect Saves or loads settings according to parameters with imme diate effect Res...

Страница 53: ...e TDD2 x 0 y Saves actual channel settings Saving to an external EEPROM takes ca 3 sec Example TDD2 67 x 0 y Save amplifier settings to user parameter slot 67 Example TDD5 3 x 0 y Read channel name ou...

Страница 54: ...x Parameter p1 Any string _ _ _ _ _ 45 characters Effect Any channel name can be assigned with this command Response Acknowledgement Significance 0 Command executed Error Example UCC Displacement tra...

Страница 55: ...h of these slots 1 100 Beispiel Das MGC wird von der IEEE Schnittstelle gesteuert Example SLN1 TestSlot x 0 y Assigns Slot 1 the name TestSlot Slot Name Query Query slot name Syntax SLN p1 x Parameter...

Страница 56: ...LSB XX XX MSB 4 Binary measured value output 2 byte MSB LSB 5 Binary measured value output 2 byte LSB MSB 4 byte output 1 2 3 4 MSB LSB 3 byte measured value 1 byte status 7680000 Measuring range full...

Страница 57: ...to Transducer error 6 Overflow 1 0 1 0 LV 4 LV 3 LV 2 LV 1 Switchover value to Overflow error 7 Initialization 1 1 0 0 LV 4 LV 3 LV 2 LV 1 Switchover value to Initialization Information Bit 7 If this...

Страница 58: ...he output format see COF command Example COF x 0 y Measured values Channel No and Status are output in ASCII format Input Sampling Rate Set measured value transfer rate Syntax ISR p1 x Parameter p1 Di...

Страница 59: ...es for p2 P2 Internal cycle frequency Measured value transfer rate 450 Hz 1 450 The following commands initiate an output with a timeslot of 15 measured values second Command Function ISR5 x Measured...

Страница 60: ...bsolute According to actual measuring range 16 Minimum value Gross According to actual measuring range 17 Minimum value Net According to current measuring range 18 Minimum value Absolute According to...

Страница 61: ...oss Unit 2 40 Maximum value Net Unit 2 41 Maximum value Absolute Unit 2 42 Peak to peak Unit 2 43 Measured value in ADU p2 Number of measured values 0 Send continuously 1 65 535 Default 1 Parameter p3...

Страница 62: ...36 to 43 Example 1 Output in ASCII full format TEX44 59 x Separator and 0 y COF0 x ASCII full format measured value channel status 0 y Get measured value from S1 MSV 1 2 x 0 000406 6 0 0 000410 6 0 y...

Страница 63: ...binary bytes are output x 2 y 16 16 binary bytes are output Measuring Extended Values Query Output of extended measured values Syntax MEV p1 x Parameter p1 Selection of amplifier signal p1 Channel ma...

Страница 64: ...or Delivers temperature and temperature status of all 4 tem perature sensors 4 temperature sensors also for DMP41 T2 Status table Status Meaning 0 TEMP_NOERROR 1 TEMP_NEVER_MEASURED 2 TEMP_SHORT_CIRCU...

Страница 65: ...ASCII characters entered with p1 are output as parameter separa tors ASCII characters entered with p2 are output as block separators between repeated measured values Response Acknowledge ment Signifi...

Страница 66: ...meter p1 Measuring range to which the unit applies 1 Measuring range 1 2 Measuring range 2 p2 The required unit as a string 4 characters Effect Unit is set with p2 Response Acknowledge ment Significan...

Страница 67: ...ange 1 MV V Possible units for measuring range 2 V__G___KG__T___KT TONSLBS N KN BAR mBARPA__PAS_HPASKPASPSI_uM__MM__CM__M___INCHN M__FTLBINLBUM MM S_M SSp o_p ooPPM Significance MV V mV V PSI PSI V V...

Страница 68: ...possible units for this ampli fier Each element in the table is 4 characters long Indication Adaptation Input display full scale decimal point step Syntax IAD p1 p2 p3 p4 x Parameter p1 Range 1 or 2...

Страница 69: ...cted with ASA can be input in measuring range 1 the decimal places can vary between 3 and 6 Permissible e g IAD1 250000 6 2 IAD1 50000 4 1 Indication Adaptation Query Output display full scale decimal...

Страница 70: ...haracteristic curve Important Value pairs are sorted according to X and checked that they increase or decrease monotonically 0 OK NOK Linearization Table Query Output actual linearization curve Syntax...

Страница 71: ...l Reversal of preceding sign Syntax SGN p1 x Parameter p1 p1 Display 0 Normal display of measured values 1 Inverted display of measured values 2 Change normal inverted Sign Reversal Query Output of pr...

Страница 72: ...ted Password correct Administrator rights received Incorrect password or other parameter error Example RAR1234 x 0 y Password was correct The requesting Client now has administrator rights RAR1234 x y...

Страница 73: ...gs is permitted 0 The requesting Client has no administrator rights Change Admin Password Change password Syntax CHP p1 p2 x Parameter p1 p2 any string p Status P1 Current password P2 New password Eff...

Страница 74: ...or rights Effect Specifies whether the device starts with or without adminis trator rights Response y Acknowledge ment Significance 0 Password correct Incorrect password or other parameter error Examp...

Страница 75: ...rights 5 6 Other Background light Background lighting Syntax BGLp1 p2 p3 x Parameter p1 p1 Status 1 100 Standard intensity of screen brightness in 1 100 P2 Status 0 100 Dimmed intensity of screen brig...

Страница 76: ...ed by commas e g 6 37768 0 00 3 have the following significance p P1 2 Number of existing measurement channels important for the correct evaluation of this response P2 37768 Status of actual measured...

Страница 77: ...ese measured values are also output directly after one another separated by commas Only then does the next signal follow all measured values of the signal e g gross mV V and then all states of the mea...

Страница 78: ...s shown during a device scan Version Information Version information Syntax VIN x Effect Returns the version information Response q1 y Example VIN x 1 0 0 3 11 4 26 1 0 0 1 18 0 0 1 29 1 0 0 0 1 y Par...

Страница 79: ...tected Syntax RS2 x Effect RS232 adapter detection Response q1 y q1 Status 1 USB RS232 adapter was detected 0 No adapter connected or adapter not supported Extended Status Syntax EST x Effect Returns...

Страница 80: ...d command during the processing of a command 10014 Command cannot be executed in full e g 4 channels selected but zero setting only functioned in 2 channels see ESM Remote Client Connection Query Exis...

Страница 81: ...ivalent to a transfer rate of one bit per second Bit Bit is the abbreviation for binary digit A bit is the smallest information unit that a computer can recognize A bit has the value 0 or 1 8 bits are...

Страница 82: ...transmitted Interface Any connection point through which data can be transmitted or which can be connected to the devices Serial A standardized transmission mode where data is transfered bit by bit be...

Страница 83: ...the interface acknowledgement behavior Error control status register XST Extended status query Identification AID Output of amplifier identification Amplifier settings Amplifier input ASA Input bridge...

Страница 84: ...ettings and comments TDD Saves amplifier settings and comments TDD Query origin of amplifier settings UCC Enter channel names UCC Output channel names Amplifier functions Measurement value output form...

Страница 85: ...tput actual linearization curve Multi Client RAR Request administrator rights RAR Query assigned administrator rights CHP Change password SWA Start with administrator rights SWA Start with without req...

Страница 86: ...Functional command overview 86 A03474_04_E00_00 HBM public DMP41...

Страница 87: ...ud Rate Set baud rate of serial interfaces 33 BDR Baud Rate Query Output baud rate of serial interfaces 34 BGL Background light Background lighting 75 BGL Background light Query Query intensity of bac...

Страница 88: ...of transducer characteristic curve 70 LTB Linearization Table Query Output actual lin earization curve 70 M MEV Measuring Extended Values Query Output of extended measured values 63 MSV Measuring Sign...

Страница 89: ...Value Query Output tara value 50 TDD Transmit Device Data Saves amplifier settings and comments 52 TDD Transmit Device Data Query Query origin of amplifier settings 53 TED Transducer electronic datash...

Страница 90: ...Index 90 A03474_04_E00_00 HBM public DMP41...

Страница 91: ...Index DMP41 A03474_04_E00_00 HBM public 91...

Страница 92: ...www hbm com HBM Test and Measurement Tel 49 6151 803 0 Fax 49 6151 803 9100 info hbm com measure and predict with confidence A03474_04_E00_00 7 0102 0003 HBM public...

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