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Chapter 1. Introduction

2 | DPS 5000 Series Instruction Manual-English

Use a standard CANopen software package to access the contents of the CANopen Object
Dictionary.

1.3 Summary of the CANopen Set of Functions

Function

Comment

NMT

Slave

Error Control

Node Guarding or Heartbeat.

Node ID

LSS (DSP-305 V1.0)

Number of PDO

4 transmit PDOs, no receive PDOs.

PDO Modes

Event triggered or Remotely requested.

PDO Linking

Yes

PDO Mapping

Default

Emergency Message

Yes

CANopen Version

DS-301 V4.01

Framework

Certified

Device Profile

DSP-404 V1.0

Maximum Baud Rate

1 Mbit/s

Содержание BAKER HUGHES DPS 5000 Series

Страница 1: ...www gemeasurement com BHGE Data Classification Public DPS 5000 Series CAN bus Pressure Transducer Instruction Manual ...

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Страница 3: ...user and the equipment from injury or damage Use qualified personnel and good engineering practice for all procedures in this publication Toxic Materials There are no known toxic materials used in this sensor Maintenance The sensor must be maintained using the manufacturer s procedures and these should be carried out by authorized service agents or the manufacturer s service departments www gemeas...

Страница 4: ...ment www gemeasurement com Your local government office Abbreviation Description a Absolute Pressure version ADC Analogue to Digital Converter A F Across the Flats Dimension data AP Applied Pressure ASCII American Standard Code for Information Interchange C Celsius Degrees CAN Controller Area Network CANopen A set of standards that defines the operation of devices across a CAN system CiA CAN in Au...

Страница 5: ...r Setting Services Max Maximum mbar Millibar MIL STD Military Standard Min Minimum mm Millimetre ms Millisecond MΩ Megohm NMT Network Management One of the service elements of the CAN Application Layer NPT National Pipe Taper a thread standard PDO Process Data Object PIN Personal Identification Number psi Pound force per square inch PV Process Value SDO Service Data Object SDS Sales Data Sheet SI ...

Страница 7: ...on 6 3 6 2 0x1017 Error Control Heartbeat Option 6 3 6 3 0x1010 01 To Save Changes to the Data Dictionary 7 3 6 4 0x1011 01 To Re apply the Factory Values 7 3 6 5 0x1800 02 The PDO Transmission Type or Period 7 3 6 6 0x1A00 The Data in the Transmit PDO 7 3 6 7 0x1F80 NMT Start up 7 3 7 To Change the Operation Objects 0x2000 0x2FFFF 8 3 7 1 0x210C Node ID 8 3 7 2 0x210D Bit Rate 8 3 7 3 0x2200 To C...

Страница 8: ...11 2 0x6150 The Pressure and Temperature Status 13 4 Maintenance 15 4 1 Maintenance Tasks 15 4 2 Maintenance From the Software 15 4 2 1 The Status of the Unit 15 4 3 Maintenance Cleaning 16 4 4 Maintenance Calibration 16 4 4 1 Calibration Equipment 16 4 4 2 Two Point Pressure Calibration Procedure 16 4 4 3 Two Point Pressure Calibration Results 17 4 5 Approved Service Agents 17 Appendix A CANopen ...

Страница 9: ...03h Last Calibration Day 34 A 2 14 Object 2204h Next Calibration Year 35 A 2 15 Object 2205h Next Calibration Month 35 A 2 16 Object 2206h Next Calibration Day 35 A 2 17 Object 2207h Pressure Gain 36 A 2 18 Object 2208h Pressure Offset 36 A 2 19 Object 2209h Temperature Gain 36 A 2 20 Object 220Ah Temperature Offset 37 A 2 21 Object 220Dh FIR Samples Size 37 A 2 22 Object 220Eh FIR Sample Data 37 ...

Страница 10: ...served A 3 8 Object 6124h AI Input Offset 47 A 3 9 Object 6130h AI Input PV 48 A 3 10 Object 6131h AI Physical Unit PV 49 A 3 11 Object 6148h AI Span Start 50 A 3 12 Object 6149h AI Span End 50 A 3 13 Object 6150h AI Status 51 Appendix B Alternative Pressure Units 53 Appendix C Bibliography 55 ...

Страница 11: ...A high level of accuracy over a wide temperature range A sophisticated level of software control 1 2 Summary of Facilities Because all the transducers in the DPS 5000 series use CANopen software standards each transducer includes a CANopen Object Dictionary Use the CANopen Object Dictionary to do these primary tasks Monitor the current pressure and temperature data Tag the type of data For example...

Страница 12: ...ctionary 1 3 Summary of the CANopen Set of Functions Function Comment NMT Slave Error Control Node Guarding or Heartbeat Node ID LSS DSP 305 V1 0 Number of PDO 4 transmit PDOs no receive PDOs PDO Modes Event triggered or Remotely requested PDO Linking Yes PDO Mapping Default Emergency Message Yes CANopen Version DS 301 V4 01 Framework No Certified No Device Profile DSP 404 V1 0 Maximum Baud Rate 1...

Страница 13: ...lectrical connection on the pressure transducer Power supply 5 V dc to 30 V dc All applicable tools to connect the pressure and electrical connections as detailed in the applicable system installation manual 2 2 Installation Before Starting Make sure to use the correct pressure transducer refer to Chapter 1 Introduction on page 1 Read all relevant instructions and procedures in the applicable syst...

Страница 14: ...ighten the connection refer to System Installation Manual 2 3 2 Electrical Connections Refer to the sales data sheet or customer specified drawing 2 3 3 Completing the Installation Do all the applicable tests and checks refer to System Installation Manual After completing installation the pressure transducer is ready for use WARNING Do not interchange transducers between an oil system and a system...

Страница 15: ...onfiguration procedures 3 2 Procedures 1 Complete the boot up procedure defined in the CANopen standard for the CAN bus network After boot up the pressure transducer enters a pre operational mode and in this mode responds to SDO and LSS messages 2 The pressure transducer must be set to its operational state to respond to sync messages and to be fully operational Figure 3 1 Default Transmit PDO Ope...

Страница 16: ...ure transducer Note To respond to LSS messages the pressure transducer must be in pre operational mode The node ID default value 2 The baud rate default value 250 kbits s In addition object 0x210C can be used to modify the node ID Object 0x210D holds the baud rate To make changes to these and other data dictionary objects permanent save them and cycle the power to the sensor When using the LSS the...

Страница 17: ...ycled for the values to be applied 3 6 5 0x1800 02 The PDO Transmission Type or Period Use object 0x1800 02 Transmission Type to change the type of PDO transmission or the period between each PDO transmission refer to Appendix C Bibliography on page 55 3 6 6 0x1A00 The Data in the Transmit PDO Use object 0x1A00 Transmit PDO Mapping to change the data sent in the Transmit PDO maximum size 8 bytes T...

Страница 18: ...ject 0x2200 Calibration Access Pin to 4118 To prevent accidental changes to the calibration data set the value to 0 after completing all the changes 3 7 4 0x2201 to 0x2203 The Last Calibration Year Month Day Refer to 0x2200 To Change the Calibration Data on page 8 The initial values identify the date of the factory calibration After each calibration set a new date refer to Chapter 4 Maintenance on...

Страница 19: ... correction to the compensated source pressure refer to Chapter 4 Maintenance on page 15 Figure 3 3 Pressure Calibration Offset 3 7 8 0x2209 The Temperature Calibration Gain Refer to 0x2200 To Change the Calibration Data on page 8 Use 0x2209 Temperature Gain to apply a correction to the compensated source temperature Figure 3 4 Temperature Calibration Gain Compensated source pressure Object 0x2207...

Страница 20: ...ettling times below before taking new values 3 7 11 0x2304 The Tag for the Type of Data Use object 0x2304 Tag to identify the type of data that the pressure transducer supplies maximum 10 characters For example Oil mbar 3 8 To Change the Operation Objects 0x6000 0x6FFFF 3 8 1 0x6120 to 0x6124 The Scale Data for Pressure and Temperature Output The pressure transducer uses a two point calibration to...

Страница 21: ...alues of the alternative pressure units refer to Appendix B Alternative Pressure Units on page 53 3 8 3 0x6148 The Local Limits Minimum Pressure and Temperature Use object 0x6148 Span Start FP to set the local limits for the pressure transducer operation Set the applicable minimum values for the pressure and temperature refer to 0x2007 The Count Pressure is Less than the Limit on page 12 and 0x200...

Страница 22: ... more than the span end value Figure 3 7 Pressure Span Overflow Count Reset the count when applicable For example after calibration 3 10 2 0x2007 The Count Pressure is Less than the Limit Use object 0x2007 Pressure Span Underflow Count to monitor the pressure history The count increments one each time the process value is less than the span start value Figure 3 8 Pressure Span Underflow Count Rese...

Страница 23: ... Monitor the Operation Objects 0x6000 0x6FFFF 3 11 1 0x6130 01 0x6130 02 The Pressure and Temperature Use object 0x6130 01 Pressure Value and object 0x6130 02 Temperature Value to monitor the current process values The process values include the calibration corrections objects 0x2207 to 0x220A and the applicable scale factor object 0x6123 01 Use object 0x1A00 Transmit PDO Mapping to put the applic...

Страница 24: ... Value less than the limit The status of the pressure is linked to the temperature If the temperature is out of range bit 0 of the pressure status will be set Status Description 0 The value is in the limits of 0x6148 and 0x6149 1 The value is more than the limit of 0x6149 2 The value is less than the limit of 0x6148 ...

Страница 25: ...intenance From the Software Note 0x identifies a hexadecimal value Object 0x1800 02 Index 0x1800 Sub index 0x02 refer to Appendix A CANopen Object Dictionary on page 19 4 2 1 The Status of the Unit To monitor the current status of the unit use these sources of error data The Error Register object 0x1001 refer to Appendix A CANopen Object Dictionary on page 19 If there is an error Do the Network In...

Страница 26: ... of reading Digital thermometer minimum accuracy 1 C A CANopen software package to get access to the contents of the CANopen Object Dictionary refer to Appendix A CANopen Object Dictionary on page 19 4 4 2 Two Point Pressure Calibration Procedure Note 0x identifies a hexadecimal value Object 0x1800 02 Index 0x1800 Sub index 0x02 refer to Appendix A CANopen Object Dictionary on page 19 To get accur...

Страница 27: ...or the NEW OFFSET is in mbar d Set object 0x2200 00 calibration access pin to 0 6 Confirm that the new values for the calibration data are correct a Repeat steps 2 and 3 7 Write the new values for the last and next calibration dates back to the CANopen Object Dictionary a Set object 0x2200 00 Calibration Access Pin to 4118 b Set objects 0x2201 00 to 0x2203 00 to the new values for the last calibra...

Страница 29: ...gment A 1 1 Object 1000h Device Type The device type specifies the kind of device The lower 16 bit contain the device profile number and the upper 16 bit an additional information OBJECT DESCRIPTION INDEX 1000 Name Device Type Object Code Variable Data Type UNSIGNED32 ENTRY DESCRIPTION Access CONST PDO Mapping No Default Value 0x00020194 Index Area 0x1000 to 0x1FFF Communications profile area 0x20...

Страница 30: ... Mapping No Default Value 0x00 A 1 3 Object 1003h Pre defined Error Field This object holds errors that have occurred on the device and have been signaled via Emergency Object It is an error history Writing to sub index 0 deletes the entire error history OBJECT DESCRIPTION INDEX 1003 Name Pre defined Error Field Object Code Array Data Type UNSIGNED32 ENTRY DESCRIPTION Sub Index 000 Description Num...

Страница 31: ...of other bits is equal to the other communication objects OBJECT DESCRIPTION INDEX 1005 Name COB ID SYNC Object Code Variable Data Type UNSIGNED32 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x080 A 1 5 Object 1007h Synchronous Window Length It contains the length of the time window for synchronous messages in μs When not used it is 0 OBJECT DESCRIPTION INDEX 1007 Name Synchronous Win...

Страница 32: ...Ch Guard Time This entry contains the guard time in milli seconds When not used it is 0 OBJECT DESCRIPTION INDEX 100C Name Guard Time Object Code Variable Data Type UNSIGNED16 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x00000000 A 1 8 Object 100Dh Life Time Factor The life time factor multiplied with the guard time gives the life time for the device When not used it is 0 OBJECT DESC...

Страница 33: ...d Object Code Array Data Type UNSIGNED32 ENTRY DESCRIPTION Sub Index 000 Description Number of Entries Access RO PDO Mapping No Default Value 0x1 Sub Index 001 Description Save all Parameters Data Type UNSIGNED32 Access RW PDO Mapping No Default Value 0x1 A 1 10 Object 1011h Restore Default Parameters This entry supports restoring of default parameters With a read access the device provides inform...

Страница 34: ...ult Value 0x0 A 1 11 Object 1012h COB ID Time Stamp COB ID of the Time Stamp Object TIME If bit 31 is set the device consumes the Time Stamp message and if bit 30 is set the device produces the Time Stamp message The meaning of the other bits is equal to the other communication objects OBJECT DESCRIPTION INDEX 1012 Name COB ID Time Stamp Object Code Variable Data Type UNSIGNED32 ENTRY DESCRIPTION ...

Страница 35: ...00 μs OBJECT DESCRIPTION INDEX 1015 Name Inhibit Time Emergency Object Code Variable Data Type UNSIGNED16 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x0000 A 1 14 Object 1017h Producer Heartbeat Time The producer heartbeat time defines the cycle time of the heartbeat When not used the time is 0 The time has to be a multiple of 1 msec OBJECT DESCRIPTION INDEX 1017 Name Producer Heartb...

Страница 36: ...ping No Default Value 0x4 Sub Index 001 Description Vendor Id Data Type UNSIGNED32 Access RO PDO Mapping No Default Value 0x50 Sub Index 002 Description Product Code Data Type UNSIGNED32 Access RO PDO Mapping No Default Value 0x1388 Sub Index 003 Description Revision number Data Type UNSIGNED32 Sub Index Identity Object 1 Contains a unique value allocated each manufacturer 2 Identifies the manufac...

Страница 37: ...s Counter Overflow Value The synchronous counter defines if a counter is mapped into the SYNC message and the highest value the counter can reach OBJECT DESCRIPTION INDEX 1019 Name Synchronous counter overflow value Object Code Variable Data Type UNSIGNED8 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x00000000 Value Meaning 0 SYNC message transmitted with length 0 1 Reserved 2 to 240 ...

Страница 38: ...RO PDO Mapping No Default Value 0x05 Sub Index 001 Description COB ID Data Type UNSIGNED32 Access RO PDO Mapping No Default Value 0x00000180 Sub Index 002 Description Transmission Type Data Type UNSIGNED8 Access RW PDO Mapping No Default Value 0x1 A 1 18 Object 1A00h to 1A03h Transmit PDO Mapping Parameter 1 Contains the mapping for the PDO the device is able to transmit There are 4 PDOs available...

Страница 39: ...lues are hexadecimal coded The length entry contains the length of the object in bits 1 to 40h This parameter can be used to verify the overall mapping length OBJECT DESCRIPTION INDEX 1A00 to 1A03 Name Transmit PDO Mapping Parameter 1 Object Code Record Data Type PDO_MAPPING ENTRY DESCRIPTION Sub Index 000 Description Number of Entries Access RW PDO Mapping No Default Value 0x02 Sub Index 001 Desc...

Страница 40: ...o set the start up mode of the sensor OBJECT DESCRIPTION INDEX 1F80h Name NMT Startup Object Code Variable Data Type UNSIGNED32 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x00000000 A 2 Manufacturer Segment A 2 1 Object 2003h Current Time Current Time is 6 bytes TIME_OF_DAY OBJECT DESCRIPTION INDEX 2003 Name Current Time Object Code Variable Data Type UNSIGNED48 ENTRY DESCRIPTION Acc...

Страница 41: ...pping Yes Default Value 0x00 A 2 3 Object 2005h Acquisition Interval The length of time between the current and previous samples in milliseconds OBJECT DESCRIPTION INDEX 2005 Name Acquisition Interval Object Code Variable Data Type UNSIGNED16 ENTRY DESCRIPTION Access RO PDO Mapping No Default Value 0x00 A 2 4 Object 2006h Pressure Span Overflow Count Used in the calculation of 6150 AI Status OBJEC...

Страница 42: ...DO Mapping No Default Value 0x00 A 2 6 Object 2008h Temperature Span Overflow Count Used in the calculation of 6150 AI Status OBJECT DESCRIPTION INDEX 2008 Name Temperature Span Overflow Count Object Code Variable Data Type UNSIGNED16 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x00 A 2 7 Object 2009h Temperature Span Underflow Count Used in the calculation of 6150 AI Status OBJECT DE...

Страница 43: ...cess RW PDO Mapping No Default Value 0x2 A 2 9 Object 210Dh Bit Rate The CAN bit rate OBJECT DESCRIPTION INDEX 210D Name Bit Rate Object Code Variable Data Type UNSIGNED16 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0xFA A 2 10 Object 2200h Calibration Access Pin The PIN to enable calibration OBJECT DESCRIPTION INDEX 2200 Name Calibration Access Pin Object Code Variable Data Type UNSI...

Страница 44: ...ing No Default Value 0x00 A 2 12 Object 2202h Last Calibration Month Requires calibration PIN refer to Object 2200h Calibration Access Pin on page 33 OBJECT DESCRIPTION INDEX 2202 Name Last Calibration Month Object Code Variable Data Type UNSIGNED16 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x00 A 2 13 Object 2203h Last Calibration Day Requires calibration PIN refer to Object 2200h ...

Страница 45: ...efault Value 0x00 A 2 15 Object 2205h Next Calibration Month Requires calibration PIN refer to Object 2200h Calibration Access Pin on page 33 OBJECT DESCRIPTION INDEX 2205 Name Next Calibration Month Object Code Variable Data Type UNSIGNED16 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x00 A 2 16 Object 2206h Next Calibration Day Requires calibration PIN refer to Object 2200h Calibrat...

Страница 46: ...DO Mapping No Default Value 1 0 A 2 18 Object 2208h Pressure Offset Requires calibration PIN refer to Object 2200h Calibration Access Pin on page 33 OBJECT DESCRIPTION INDEX 2208 Name Pressure Offset Object Code Variable Data Type REAL32 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0 0 A 2 19 Object 2209h Temperature Gain Requires calibration PIN refer to Object 2200h Calibration Acces...

Страница 47: ...Y DESCRIPTION Access RW PDO Mapping No Default Value 0 0 A 2 21 Object 220Dh FIR Samples Size The number of samples in the Finite Impulse Response filter OBJECT DESCRIPTION INDEX 220D Name FIR Samples size Object Code Variable Data Type UNSIGNED8 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x00 A 2 22 Object 220Eh FIR Sample Data Data for the Finite Impulse Response filter OBJECT DESC...

Страница 48: ...RIPTION INDEX 2210 Name FIR2 Sample Data Object Code Variable Data Type DOMAIN ENTRY DESCRIPTION Access RW PDO Mapping No Default Value NULL A 2 24 Object 2212h FIR3 Sample Data Data for the Finite Impulse Response filter OBJECT DESCRIPTION INDEX 2212 Name FIR3 Sample Data Object Code Variable Data Type DOMAIN ENTRY DESCRIPTION Access RW PDO Mapping No Default Value NULL A 2 25 Object 2214h FIR4 S...

Страница 49: ...IPTION INDEX 2216 Name FIR5 Sample Data Object Code Variable Data Type DOMAIN ENTRY DESCRIPTION Access RW PDO Mapping No Default Value NULL A 2 27 Object 2217h Selected FIR Filter OBJECT DESCRIPTION INDEX 2217 Name Selected FIR filter Object Code Variable Data Type UNSIGNED8 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x02 A 2 28 Object 2218h FIR Pre scaler OBJECT DESCRIPTION INDEX 22...

Страница 50: ...16 Access RW PDO Mapping No Default Value 0x0 Sub Index 002 Description FIR2 pre scaler Data Type UNSIGNED16 Access RW PDO Mapping No Default Value 0x0 Sub Index 003 Description FIR3 pre scaler Data Type UNSIGNED16 Access RW PDO Mapping No Default Value 0x0 Sub Index 004 Description FIR4 pre scaler Data Type UNSIGNED16 Access RW PDO Mapping No Default Value 0x0 Sub Index 005 Description FIR5 pre s...

Страница 51: ...s RW PDO Mapping No Default Value 0x0 A 2 30 Object 2301h PDCR Max Pressure OBJECT DESCRIPTION INDEX 2301 Name PDCR Max Pressure Object Code Variable Data Type INTEGER32 ENTRY DESCRIPTION Access RW PDO Mapping No Default Value 0x14331 A 2 31 Object 2302h PDCR Type OBJECT DESCRIPTION INDEX 2302 Name PDCR Type Object Code Variable Data Type UNSIGNED8 ENTRY DESCRIPTION Access RW PDO Mapping No Defaul...

Страница 52: ... it is not yet scaled to the physical measurement units Scaling could be e g digits of the analog to digital converter or Ohms for Pt100 temperature measurement The value is left adjusted with the remaining bits to the right side of the LSB set to zero OBJECT DESCRIPTION INDEX 6100 Name AI Input FV Object Code Array Data Type REAL32 ENTRY DESCRIPTION Sub Index 000 Description number of entries Acc...

Страница 53: ...Unit Object Code Array Data Type UNSIGNED32 ENTRY DESCRIPTION Sub Index 000 Description number of entries Access RO PDO Mapping No Default Value 0x2 Sub Index 001 Description AI Input Unit 1 Data Type UNSIGNED32 Access RO PDO Mapping No Default Value 0xfd4e0000 Sub Index 002 Description AI Input Unit 2 Data Type UNSIGNED32 Access RO PDO Mapping No Default Value 0x00000000 A 3 3 Object 6110h AI Sen...

Страница 54: ...Type UNSIGNED16 Access RW PDO Mapping No Default Value 0x5A Sub Index 002 Description AI Sensor type 2 Data Type UNSIGNED16 Access RW PDO Mapping No Default Value 0x64 A 3 4 Object 6120h AI Input Scaling 1 FV This object defines the field value of the first calibration point for the analogue input channel It is scaled in physical unit of field value OBJECT DESCRIPTION INDEX 6120 Name AI Input scal...

Страница 55: ... 5 Object 6121h AI Input Scaling 1 PV This object defines the process value of the first calibration point for the analogue input channel It is scaled in physical unit of the process value OBJECT DESCRIPTION INDEX 6121 Name AI Input scaling 1 PV Object Code Array Data Type REAL32 ENTRY DESCRIPTION Sub Index 000 Description number of entries Access RO PDO Mapping No Default Value 0 0 Sub Index 001 ...

Страница 56: ...IPTION INDEX 6122 Name AI Input scaling 2 FV Object Code Array Data Type REAL32 ENTRY DESCRIPTION Sub Index 000 Description number of entries Access RO PDO Mapping No Default Value 0 0 Sub Index 001 Description AI Input scaling 2 FV 1 Data Type REAL32 Access RW PDO Mapping No Default Value 1 0 Sub Index 002 Description AI Input scaling 2 FV 2 Data Type REAL32 Access RW PDO Mapping No Default Value...

Страница 57: ...001 Description AI Input scaling 2 PV 1 Data Type REAL32 Access RW PDO Mapping No Default Value 1 0 Sub Index 002 Description AI Input scaling 2 PV 2 Data Type REAL32 Access RW PDO Mapping No Default Value 1 0 A 3 8 Object 6124h AI Input Offset This object defines the additional offset value for the analogue input channel It is scaled in physical unit of process value OBJECT DESCRIPTION INDEX 6124...

Страница 58: ...ccess RW PDO Mapping No Default Value 0 0 A 3 9 Object 6130h AI Input PV This object represents the result of the input scaling block and gives the measured quantity scaled in the physical unit of process values e g degrees centigrade kg kN mm etc OBJECT DESCRIPTION INDEX 6130 Name AI Input PV Object Code Array Data Type REAL32 ENTRY DESCRIPTION Sub Index 000 Description number of entries Access R...

Страница 59: ...nput function block The coding of the physical units listed in Appendix B Alternative Pressure Units on page 53 OBJECT DESCRIPTION INDEX 6131 Name AI Physical unit PV Object Code Array Data Type UNSIGNED32 ENTRY DESCRIPTION Sub Index 000 Description number of entries Access RO PDO Mapping No Default Value 0x2 Sub Index 001 Description AI Physical unit PV 1 Data Type UNSIGNED32 Access RW PDO Mappin...

Страница 60: ...ata Type REAL32 ENTRY DESCRIPTION Sub Index 000 Description number of entries Access RO PDO Mapping No Default Value 0 0 Sub Index 001 Description AI Span start 1 Data Type REAL32 Access RW PDO Mapping No Default Value 0 0 Sub Index 002 Description AI Span start 2 Data Type REAL32 Access RW PDO Mapping No Default Value 0 0 A 3 12 Object 6149h AI Span End This value specifies the upper limit where ...

Страница 61: ...o Default Value 0 0 Sub Index 002 Description AI Span end 2 Data Type REAL32 Access RW PDO Mapping No Default Value 0 0 A 3 13 Object 6150h AI Status This read only object reflects the status of the analogue input channels The combination of bit 1 and bit 2 has not to be possible OBJECT DESCRIPTION INDEX 6150 Name AI Status Object Code Array Data Type UNSIGNED8 ENTRY DESCRIPTION Sub Index 000 Desc...

Страница 62: ...Series Instruction Manual English 2018 Baker Hughes a GE company All rights reserved Data Type UNSIGNED8 Access RO PDO Mapping Yes Default Value 0x0 Sub Index 002 Description AI Status 2 Data Type UNSIGNED8 Access RO PDO Mapping Yes Default Value 0x0 ...

Страница 63: ...ascal 0x03220000 0 1 Mpa Mega pascal 0x06220000 0 0001 mmHg millimetre of mercury 0x00A00000a a The CANopen value 0x00A00000 shows that the pressure unit is not an SI unit refer to Appendix C Bibliography on page 55 0 7500616 cmHg centimetre of mercury 0x00A00000a 0 07500616 mHg metre of mercury 0x00A00000a 0 0007500616 inHg inch of mercury 0x00A00000a 0 02953 kg cm2 kilogram force per square cent...

Страница 65: ...on Layer and Communication Profile CiA Draft Standard DS 301 Version 4 01 2 CANopen Device Profile for Measurement Devices and Closed Loop Controllers CiA Draft Standard Proposal DSP 404 Version 1 0 3 CANopen Layer Setting Services and Protocol LSS CiA Draft Standard Proposal DSP 305 Version 1 0 4 CANopen Representation of SI Units and Prefixes CiA Draft Recommendation DRP 303 2 Version 1 1 ...

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