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Reference Manual

00809-0100-4377, Rev BA

September 2010

Rosemount 752

4-2

TROUBLESHOOTING
GUIDES

Figure 4-1. Rosemount 752
troubleshooting flowchart

PROBLEMS WITH COMMUNICATIONS

Device does not

appear on segment.

1. Check wiring to device.
2. Recycle power to device.
3. Electronic failure.
Refer to “Device does not show up on
segment” in Table 4-1 for more
information.

Problem Identified?

Yes

No

Perform Recommended
Action, see Table 4-1.

Check Segment, see “Device
does not stay on segment” in
Table 4-1 for more information.

Problem Identified?

Yes

No

Perform Recommended
Action, see page 2-6.

If the problem persists
contact your local
Rosemount representative.

Device does not

stay on segment.

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Summary of Contents for 752

Page 1: ...www rosemount com Reference Manual 00809 0100 4377 Rev BA September 2010 Rosemount 752 Remote Indicator with FOUNDATION fieldbus protocol ...

Page 2: ......

Page 3: ...bers Customer Central Technical support quoting and order related questions 1 800 999 9307 7 00 am to 7 00 pm CST North American Response Center Equipment service needs 1 800 654 7768 24 hours includes Canada Outside of the United States contact your local Emerson Process Management representative The products described in this document are NOT designed for nuclear qualified applications Using non...

Page 4: ......

Page 5: ...derations 2 5 Tagging 2 5 Hazardous Locations 2 6 Grounding the Indicator Case 2 6 General Block Information 2 7 Modes 2 7 Link Active Scheduler 2 8 Block Instantiation 2 8 Capabilities 2 9 Resource Block 2 9 FEATURES and FEATURES_SEL 2 9 MAX_NOTIFY 2 10 PlantWeb Alarms 2 11 LCD Transducer Block 2 13 Custom Meter Configuration 2 14 SECTION 3 Operation and Maintenance Overview 3 1 Safety Messages 3...

Page 6: ...awings A 2 Ordering Information A 3 APPENDIX B Product Certificates Approved Manufacturing Locations B 1 European Directive Information B 1 Hazardous Locations Certifications B 1 North American Certifications B 1 Canadian Standards Association CSA B 2 European Certifications B 2 IECEx Certifications B 4 Approval Drawings B 5 APPENDIX C Block Information Resource Block C 1 Parameters and Descriptio...

Page 7: ... protocol The sections in this manual are organized as follows Section 2 Configuration provides instruction on configuration of the Rosemount 752 Remote Indicator with FOUNDATION fieldbus protocol Information on software functions configuration parameters and other variables are also included Section 3 Operation and Maintenance contains operation and maintenance techniques Section 4 Troubleshootin...

Page 8: ...ntatives will explain the additional information and procedures necessary to return goods exposed to hazardous substances DEVICE DESCRIPTION Before configuring the device ensure the host has the appropriate Device Description file revision for this device The device descriptor can be found on www rosemount com NODE ADDRESS The indicator is shipped at a temporary 248 address This will enable FOUNDA...

Page 9: ...ameter The Standard ISA PID equation is the default selection Input Selector Block 1300 The Input Selector ISEL Function Block can be used to select the first good Hot Backup maximum minimum or average of as many as eight input values and place it at the output The block supports signal status propagation Signal Characterizer Block 1400 The Signal Characterizer SGCR Function Block characterizes or...

Page 10: ...Reference Manual 00809 0100 4377 Rev BA September 2010 Rosemount 752 1 4 ...

Page 11: ...anual 00809 0100 4783 SAFETY MESSAGES Procedures and instructions in this section may require special precautions to ensure the safety of the personnel performing the operations Information that raises potential safety issues is indicated by a warning symbol Refer to the following safety messages before performing an operation preceded by this symbol Warnings Explosions can result in death or seri...

Page 12: ...n the ON position the indicator will not accept any writes to its memory Configuration changes cannot take place when the indicator security is on To reposition the switches jumpers follow the procedure described below Simulate fieldbus protocol 1 Set the loop to manual and remove power 2 Remove the electronics compartment cover opposite the field terminal side on the PlantWeb housing Do not remov...

Page 13: ...tage e g ac line voltage to the indicator terminals Abnormally high voltage can damage the unit Indicator power terminals are rated to 32 V dc Figure 2 2 Fieldbus terminal block Electrical Considerations Proper electrical installation is necessary to prevent errors due to improper grounding and electrical noise Shielded twisted pair cable should be used for best results in electrically noisy envir...

Page 14: ... an installed option Option Code T1 in the indicator model number or as a spare part The spare part number is 03151 4134 0002 The lightning bolt symbol shown identifies it as a transient protection terminal block NOTE The fieldbus physical layer specification requires indicator communication during extreme operating conditions of 250 V rms common mode signal The transient terminal block was design...

Page 15: ...an operational identification for the device and is usually defined by the Piping and Instrumentation Diagram P ID The installer should note the physical location in both places on the removable commissioning tag and tear off the bottom portion This should be done for each device on the segment The bottom portion of the tags can be used for commissioning the segment in the control system providing...

Page 16: ... electrical codes The most effective indicator case grounding method is a direct connection to earth ground with minimal impedance Methods for grounding the indicator case include Internal Ground Connection The Internal Ground Connection screw is inside the terminal side of the electronics housing The screw is identified by a ground symbol and is standard on the 752 Remote Indicators External Grou...

Page 17: ...the following modes AUTO The functions performed by the block will execute If the block has any outputs these will continue to update This is typically the normal operating mode Out of Service OOS The functions performed by the block will not execute If the block has any outputs these will typically not update and the status of any values passed to downstream blocks will be BAD To make some change...

Page 18: ...onal instantiated function blocks 1 Proportional Integral Derivative Block tag name PID_1600 1 Input Selector Block tag name ISEL_1700 1 Signal Characterizer Block tag name CHAR_1800 1 Arithmetic Block tag name ARITH_1900 1 Integrator Block tag name INTEG_2000 The Rosemount 752 supports the use of Function Block Instantiation When a device supports block instantiation the number of blocks and bloc...

Page 19: ...supported by the Rosemount 752 Below is a list of the FEATURES the 752 supports UNICODE All configurable string variables in the Rosemount 752 except tag names are octet strings Either ASCII or Unicode may be used If the configuration device is generating Unicode octet strings you must set the Unicode option bit REPORTS The Rosemount 752 supports alert reports The Reports option bit must be set in...

Page 20: ...her the write lock functions both software and hardware will control writing to all blocks or only to the resource and transducer blocks Internally updated data such as process variables and diagnostics will not be restricted by the security switch The following table displays all possible configurations of the WRITE_LOCK parameter FEATURES_SEL FEATURES_SEL is used to turn on any of the supported ...

Page 21: ...ameter contains a list of failures in the device which makes the device non operational that will cause an alarm to be sent Below is a list of the failures with the highest priority first 1 Circuit Board Memory Failure 2 General Circuit Board Memory Failure 3 Lost Deferred Data FAILED_MASK This parameter will mask any of the failed conditions listed in FAILED_ENABLED A bit on means that the condit...

Page 22: ...tenance soon If the condition is ignored the device will eventually fail Advisory Alarms An advisory alarm indicates informative conditions that do not have a direct impact on the device s primary functions There are five parameters associated with ADVISE_ALARMS they are described below ADVISE_ENABLED The ADVISE_ENABLED parameter contains a list of informative conditions that do not have a direct ...

Page 23: ... in the Rosemount 752 The first line of five characters displays the output description the second line of seven digits displays the actual value the third line of six characters displays engineering units and the fourth line displays Error when the indicator is in alarm The LCD meter can also display diagnostic messages Each parameter configured for display will appear on the LCD for a brief peri...

Page 24: ...displayed This parameter is generally selected via a drop down menu with a list of possible function block types e g ISEL PID etc PARAM_INDEX_ 1 The PARAM_INDEX_ parameter is generally selected via a drop down menu with a list of possible parameter names based upon what is available in the function block type selected Choose the parameter to be displayed CUSTOM_TAG_ 1 The CUSTOM_TAG_ is an optiona...

Page 25: ... PARAM_INDEX_n CUSTOM_TAG_n UNITS_TYPE_n CUSTOM_UNITS_n Arithmetic Input Selector TAG ISEL 1300 IN_1 IN_2 IN_3 IN_4 IN_5 IN_6 IN_7 IN_8 OUT Example Display Value 1 BLK_TAG_1 ISEL 1300 BLK_TYPE_1 Input Selector PARAM_INDEX_1 IN_1 CUSTOM_TAG_1 TT102 UNITS_TYPE_1 CUSTOM CUSTOM_UNITS_1 DEG C Linked from AI Block in Temperature Transmtter TT102 IN_1 IN_2 IN_3 IN_4 IN_1 IN_2 Integrator IN_1 IN_2 OUT OUT...

Page 26: ...Reference Manual 00809 0100 4377 Rev BA September 2010 Rosemount 752 2 16 ...

Page 27: ...performing operations Some hosts will use Device Descriptions DD and DD Methods to complete device configuration and will display data consistently across platforms The DD can found on www rosemount com There is no requirement that a host or configuration tool support these features The information in this section will describe how to use methods in a general fashion In addition if your host or co...

Page 28: ...IN THE FIELD Software for the 752 with FOUNDATION fieldbus is easy to upgrade in the field using the FOUNDATION fieldbus Common Device Software Download procedure Explosions can result in death or serious injury Do not remove the indicator covers in explosive environments when the circuit is live Indicators covers must be fully engaged to meet explosion proof requirements Before connecting a commu...

Page 29: ... and instructions in this section may require special precautions to ensure the safety of the personnel performing the operations Information that raises potential safety issues is indicated by a warning symbol Refer to the following safety messages before performing an operation preceded by this symbol Warnings Explosions can result in death or serious injury Do not remove the indicator covers in...

Page 30: ...Recycle power to device 3 Electronic failure Refer to Device does not show up on segment in Table 4 1 for more information Problem Identified Yes No Perform Recommended Action see Table 4 1 Check Segment see Device does not stay on segment in Table 4 1 for more information Problem Identified Yes No Perform Recommended Action see page 2 6 If the problem persists contact your local Rosemount represe...

Page 31: ...e Table 4 4 Problem Identified Yes No Perform Recommended Action see Table 4 4 For more detailed information Perform the following steps in the LCD Transducer Block to determine the recommended action BLOCK_ERR see page 4 5 If error condition does not exist in the Resource Block then it is a configuration problem see Block Errors in Table 4 2 Problem Identified Yes No If the problem persists conta...

Page 32: ...ost documentation for procedure Device does not stay on segment 2 Incorrect signal levels Refer to host documentation for procedure 1 Check for two terminators 2 Excess cable length 3 Bad Power supply or conditioner Excess noise on segment Refer to host documentation for procedure 1 Check for incorrect grounding 2 Check for correct shielded wire 3 Tighten wire connections 4 Check for corrosion or ...

Page 33: ...in place This is not an indication that the I O blocks are using simulated data Memory Failure A memory failure has occurred in FLASH RAM or EEPROM memory Device Needs Maintenance Now Out of Service The actual mode is out of service Condition Name Uninitilized No repair needed Repairable Call Service Center Condition Name Recommended Action LOI Transducer block error 1 Restart processor 2 Check di...

Page 34: ...he segments should light up 4 Put the Resource block back into AUTO Table 4 5 LCD Transducer Block BLOCK_ERR messages Condition Name and Description Other Out of Service The actual mode is out of service Symptom Possible Causes Recommended Action The LCD displays DSPLY INVLID Read the BLOCK_ERR and if it says BLOCK CONFIGURATION perform the Recommended Action One or more of the display parameters ...

Page 35: ... 32 0 V dc terminal voltage Temperature Limits 4 to 185 F 20 to 85 C Ambient Storage 40 to 185 F 40 to 85 C Humidity Limits 0 100 relative humidity Electrical Connections 1 2 14 NPT G 1 2 and M20 x 1 5 CM20 conduit Performance Specifications Configurable to display up to eight function block output values Display sequences through configured variables at 3 second intervals Block Execution Times PI...

Page 36: ...2 DIMENSIONAL DRAWINGS Figure A 1 Remote Pipe Mount Meter Mounting Configurations Figure A 2 Remote Panel Mount Meter Mounting Configurations 1 82 46 3 08 78 6 90 175 2 66 67 6 24 159 2 33 59 5 19 132 4 72 120 2 66 67 6 15 156 4 48 114 Dimensions are in inches millimeters ...

Page 37: ...ic Safety Type n Dust combination E1 I1 N1 and ND ND ATEX Dust E5 FM Explosion Proof Dust Ignition proof I5 FM Intrinsically Safe Division 2 IE FM FISCO Intrinsically Safe for FOUNDATION fieldbus protocol only K5 FM Explosion proof Dust Ignition proof Intrinsically Safe Division 2 combination E5 and I5 E6 CSA Explosion proof Dust Ignition proof Division 2 I6 CSA Intrinsically Safe IF CSA FISCO Int...

Page 38: ...Reference Manual 00809 0100 4377 Rev BA September 2010 Rosemount 752 A 4 ...

Page 39: ...ound on the Rosemount website at www rosemount com A hard copy may be obtained by contacting our local sales office Electro Magnetic Compatibility EMC EN 61326 1 2006 ATEX Directive 94 9 EC Emerson Process Management complies with the ATEX Directive HAZARDOUS LOCATIONS CERTIFICATIONS North American Certifications Factory Mutual FM E5 Explosion Proof for Class I Division 1 Groups B C and D dust ign...

Page 40: ...tted with the transient option the apparatus is not capable of withstanding the 500V test as defined in Clause 6 4 12 of EN 50020 2002 This must be taken into account during installation 2 The enclosure may be aluminium protected against low levels of impact by a coating of epoxy polyester or polyurethane paint The risk of high levels of impact must be considered in any installation and protected ...

Page 41: ...able for a temperature of 90 C In case of repair contact the manufacturer for information on the dimensions of the flame proof joints Brazilian NCC INMETRO E2 Inmetro Flameproof Certificate No NCC 5500 09 BR Ex d IIC T6 T5 IP65 T6 20 C Ta 65 C T5 20 C Ta 60 C I2 Inmetro Intrinsic Safety Certificate No NCC 5500 09 BR Ex ia IIC T4 20 C Ta 60 C SPECIAL CONDITION FOR SAFE USE 1 For model 752 I2 fitted...

Page 42: ... withstanding the 500 V electrical strength test as defined in clause 6 4 12 of IEC 60079 11 1999 This must be taken into account during installation 2 The enclosure maybe aluminum protected against low levels of impact by a coating of epoxy polyester or polyurethane paint The risk of high levels of impact must be considered in any installation and protected accordingly E7 IECEx Flame proof Certif...

Page 43: ...Reference Manual 00809 0100 4377 Rev BA September 2010 B 5 Rosemount 752 APPROVAL DRAWINGS ...

Page 44: ...Reference Manual 00809 0100 4377 Rev BA September 2010 Rosemount 752 B 6 ...

Page 45: ...Reference Manual 00809 0100 4377 Rev BA September 2010 B 7 Rosemount 752 ...

Page 46: ...Reference Manual 00809 0100 4377 Rev BA September 2010 Rosemount 752 B 8 ...

Page 47: ...Reference Manual 00809 0100 4377 Rev BA September 2010 B 9 Rosemount 752 ...

Page 48: ...Reference Manual 00809 0100 4377 Rev BA September 2010 Rosemount 752 B 10 ...

Page 49: ...to identify grouping of blocks ALERT_KEY 4 1 255 0 N A The identification number of the plant unit MODE_BLK 5 O S N A The actual target permitted and normal modes of the block BLOCK_ERR 6 E Read Only This parameter reflects the error status associated with the hardware or software components associated with a block it is a bit string so that multiple errors may be shown RS_STATE 7 E Read Only Stat...

Page 50: ...r for writing copies of NV parameters to non volatile memory Zero means it will never be automatically copied At the end of NV_CYCLE_T only those parameters that have changed need to be updated in NVRAM FREE_SPACE 24 0 100 Read Only Percent of memory available for further configuration Zero in preconfigured resource FREE_TIME 25 0 100 Read Only Percent of the block processing time that is free to ...

Page 51: ...e Stamp Subcode Value 40 N A R W RO RO RO RO This alert is generated if the write lock parameter is cleared Only Unacknowledged subindex is writeable R W The rest are Read Only RO ITK_VER 41 set by FF 5 N A Read Only Major revision number of the interoperability test case used in certifying this device as interoperable The format and range are controlled by the Fieldbus Foundation DISTRIBUTOR 42 R...

Page 52: ...7 0 N A Date associated with the MESSAGE_TEXT parameter MESSAGE_ TEXT 58 spaces N A Used to indicate changes made by the user to the device s installation configuration or calibration SELF_TEST 59 0 Uninitialized 1 No test 2 Self test 1 E Used to self test the device Tests are device specific DEFINE_WRITE_ LOCK 60 0 Uninitialized 1 Everything Locked 2 Only physical device locked 1 E Allows the ope...

Page 53: ...LM Unacknowledged Alarm State Time Stamp Subcode Value 73 N A R W RO RO RO RO Alarm indicating a failure within a device which makes the device non operational Only Unacknowledged subindex is writeable R W The rest are Read Only RO MAINT_PRI 74 0 15 0 N A Designates the alarming priority of the MAINT_ALM MAINT_ENABLE 75 0 E Read Only Enabled MAINT_ALM alarm conditions Corresponds bit for bit to th...

Page 54: ...ss or device integrity Only Unacknowledged subindex is writeable R W The rest are Read Only RO HEALTH_INDEX 84 1 100 100 None Read Only This is an indication of the overall condition of the device This value is Used in conjunction with PlantWeb Alerts PWA_SIMULATE 85 Off On 0 1 Off None Note 1 Parameter that allows direct writes to PWA active parameters and the detailed status bytes that activate ...

Page 55: ...ith a block it is a bit string so that multiple errors may be shown COLLECTION_DIRECTORY 12 A directory that specifies the number starting indicies and DD Item ID s of the data collections in each transducer block CUSTOM_TAG_1 17 The block description that is displayed for DP1 CUSTOM_TAG _2 23 The block description that is displayed for DP2 CUSTOM_TAG _3 29 The block description that is displayed ...

Page 56: ...ansducers in the transducer block TRANSDUCER_TYPE 10 Identifies the transducer that follows UNITS_TYPE_1 18 This parameter determines where the units for the display parameter come from UNITS_TYPE_2 24 This parameter determines where the units for the display parameter come from UNITS_TYPE_3 30 This parameter determines where the units for the display parameter come from UNITS_TYPE_4 36 This param...

Page 57: ...TOM_TAG_ 2 14 CUSTOM_UNITS_ 2 14 D Device Description 1 2 Diagrams Fieldbus terminal block 2 3 DISPLAY_PARAM_SEL 2 14 E Electro magnetic compatibility B 1 EMC B 1 Execution Times 2 9 F FAILED_ACTIVE alarms 2 11 FAILED_ALARMS 2 11 FAILED_ACTIVE 2 11 FAILED_ALM 2 11 FAILED_ENABLED 2 11 FAILED_MASK 2 11 FAILED_PRI 2 11 FAILED_ALM 2 11 FAILED_ENABLED alarms 2 11 FAILED_MASK alarms 2 11 FAILED_PRI alar...

Page 58: ...CTION 2 13 REPORTS 2 9 Resource Block C 1 UNICODE 2 9 UNITS_TYPE_ 2 14 WRITE_LOCK 2 10 Permitted Modes 2 7 PID Block 1 3 PID block 1 3 PlantWeb Alarms 2 11 2 13 Advisory 2 12 FAILED_ALARMS 2 11 MAINT_ALARMS 2 11 Power Conditioner Fieldbus protocol 2 3 Power supply Fieldbus protocol 2 3 Power up 2 3 Power supply fieldbus protocol 2 3 Proportional Integral Derivative PID function block 1 3 R Recomme...

Page 59: ......

Page 60: ... the Emerson Process Management companies Foundation fieldbus is a registered trademark of the Fieldbus Foundation All other marks are the property of their respective owners 2010 Rosemount Inc All rights reserved Rosemount Inc 8200 Market Boulevard Chanhassen MN 55317 USA T U S 1 800 999 9307 T International 952 906 8888 F 952 949 7001 www rosemount com Emerson Process Management GmbH Co Shipping...

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