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Section 4

4.1

MAINTENANCE

General

SMAR

Series 302

devices are extensively tested and inspected before delivery to the end user.

Nevertheless, during their design and development, consideration was given to the possibility of
repairs being made by the end user, if necessary.

In general, it is recommended that end users do not try to repair printed circuit boards. Spare circuit
boards may be ordered from

SMAR

whenever necessary. Refer to the item "Returning Materials" at

the end of this Section.

TROUBLESHOOTING

Basic Troubleshooting:

The communication errors are detected automatically and indicated

depending on the engineering tools. Troubleshooting is a useful way to remove the parts, one by
one, until the failure is detected by elimination. It is also recommended to test the faulty device in
your own work bench. Check the following parameters:

•

If the polarity is correct;

•

If the addresssis correct;

•

If the network is secure;

•

If the power supply voltage is adequate, always with a minimum 9V current during the

communication, plus the course of the Manchester sign.

If there is not any communication, there is a problem with your configuration or installation.

Advanced Troubleshooting:

In order to find serious problems, bus analyzers can be used to study

the communication messages;

An oscilloscope (balanced/isolated - for example, operated by battery) can also be a useful tool in
severe cases.

TROUBLESHOOTING

SYMPTOM

PROBABLE SOURCE OF PROBLEM

Device Connections

•

Check wiring polarity and continuity;

•

Check for shorts or ground loops;

•

Check if the power supply connector is connected;

•

Check if the shield is not used as a conductor. It should be grounded at only

one end;

•

Check the coupler/link connections.

Power Supply

•

Check power supply output. The voltage must be between 9 - 32 VDC at the Series 303

device terminals.

Network Connection

•

Check that the topology is correct and all devices are connected in parallel;

•

Check that two bus terminators are OK and correctly positioned;

•

Check that the bus terminators are according to the specifications;

•

Check length of trunk and spurs;

•

Check the connections of the coupler are correct and correctly positioned;

•

Check the

baud rate

;

•

Check low isolation.

Network Configuration

•

Make sure the Device Tag is configured if system configuration is desired;

•

Make sure that device address, master connection, and the address.

NO

COMMUNICATION

Electronic Circuit Failure

•

Check the main board for defect by replacing it with a spare one.

Table 4.1 - Diagnostic of the Field Devices

«
...
47
48
49
50
51
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Содержание FY302

Страница 1: ...датчики давления уровня положения и другие полевые устройства Foundation Fieldbus www esma rt ru ...

Страница 2: ...web www esma rt ru www esma rt ru Specifications and information are subject to change without notice Up to date address information is available on our website smar ...

Страница 3: ... support to multiple masters in the communication bus Deterministic foreseeable behavior even with redundancy in several levels Distribution of the control functions among the devices distributed control Standardized interfaces among the devices that facilitate interoperability Application modeling using functional blocks language This manual presents details of fieldbus installation besides commo...

Страница 4: ...e Manual IV ATENTION This Manual is compatible with version 3 XX where 3 denote software version and XX software release The indication 3 XX means that this manual is compatible with any release of Series 302 field devices with software version 3 ...

Страница 5: ... 5 CALIBRATION 2 5 CONFIGURATION 2 5 DIAGNOSTICS 2 6 IDENTIFICATION 2 6 DEVICE VIEW 2 6 DISPLAY 2 6 RECONCILIATION 2 6 SECTION 3 LOCAL ADJUSTMENT SETTING 3 1 CREATING DEVICES 3 1 CREATING A DEVICE FROM A TEMPLATE 3 2 CHANGING THE DEVICE ATTRIBUTES 3 3 MASTER BACKUP DEVICE 3 4 DELETING DEVICES 3 5 ORDERING DEVICES 3 6 MOVING DEVICES 3 6 DEVICE EXCHANGE 3 6 FUNCTION BLOCKS 3 9 DISPLAY TRANSDUCER 3 1...

Страница 6: ...GENERAL Installation Operation and Maintenance Manual VI ...

Страница 7: ...ed by two outlets Conduit threads should be sealed by means of code approved sealing methods The unused outlet connection should be plugged accordingly The wiring block has screws on which fork or ring type terminals can be fastened See Figure 1 2 Figure 1 2 Wiring Block NOTE Due to each device particularity check the electric connection block in the specific equipment manual The LD302 was used ab...

Страница 8: ...ays and PCs there is the FOUNDATION fieldbus HSE based on Ethernet IEEE802 3 2000 ISO IEC8802 3 2000 Foundation Fieldbus H1 Network A Fieldbus network is composed by several H1 buses connected to each other by bridges or Foundation Fieldbus Linking Devices that connect the H1 networks to the HSE backbone According to definitions each H1bus can hold theoretically up to 32 devices not powered by the...

Страница 9: ...tage of 0 75 Vpp to 1 Vpp overlapping the bus voltage 9 32 Vdc Both the current and the operation minimum voltage can vary according to the manufacturer or device model consult the respective manual For Smar devices each fieldbus device consumes about 12 mA Foundation Fieldbus HSE Network This network is based on the same Ethernet physical layer Several manufacturers offer specific equipments for ...

Страница 10: ... It accepts topologies in bus ring star or tree and even distances up to 1900 m without repeater Using up to 4 repeaters it is possible to cover a radius of approximately 10 km The maximum amount of devices in each H1 segment depends on the type of application the length of the cables and even the performance wanted for the network Figure 1 6 Comparison of Wiring and Distribution of Control over t...

Страница 11: ...able Length and Distribution and Installation Rules The total length of the H1 cable should be considered from the exit of the point of PSI power supply impedance power supply with active impedance until the most distant point of the segment considering the derivations Remember that spurs smaller than 1 m don t enter in this total The cabling total length is the sum of the main bus trunk size plus...

Страница 12: ...ation is dB nF dB Ls Ct A 14 035 0 Then 14 dB will allow the minimum necessary signal to detect it with integrity There are some rules to follow in terms of cabling and separation from other cables be it for signals or potency Use preferably trays or metal ducts observing the distances according to Table 1 4 Never pass the fieldbus H1cable beside high voltage lines because the induction is a noise...

Страница 13: ...connection of the terminator reminding that the lack of terminators allows communication intermittency once there is no impedance match and there is reflection signal increase The lack of a terminator or its connection in the incorrect point also degrades the signal once it will also be part of the cabling as an antenna Its lack can increase the signal in more than 70 and an additional terminator ...

Страница 14: ... Operation and Maintenance Manual 1 8 Following the real waves forms related to the three cases mentioned on Figure 1 7 Figure 1 8 Wave form without Active BT Figure 1 9 Wave form with more than 2 Active BTs Figure 1 10 Wave form with Correct BT ...

Страница 15: ...onsider as acceptable values in practice 750 to 1000 mVpp ok 1000 mVpp Very high A terminator may be lacking Some barriers and segment protectors like spur guards have high impedance in series and can produce signals up to 2000 mV and even allow the appropriate operation 250 mVpp Very low It is necessary to verify if there is more than 2 active terminators power supply etc Some devices have polari...

Страница 16: ...ible to connect devices that drain more current from the bus or even to create new segments starting from the same main bus Figure 1 12 Smar offers the RP302 repeater as well as the DF47 model that works both as repeater and intrinsic safety barrier Figure 1 12 Isolation Provided by the Barrier Intrinsic Safety Barrier The intrinsic safety barrier has the primary function to limit the energy avail...

Страница 17: ...lement the power supply in the field bus located in the non classified area b The other devices in the classified area are passive c Each field device should have a minimum consumption of 10 mA d In Ex ia areas the maximum bus length should be 1000 m and in Ex ib 5000 m e Concerning cables observe the following parameters R 15 to 150 Ω km L 0 4 to 1 mH km C 80 to 200 nF km Type A cable 0 8 mm AWG ...

Страница 18: ...ages when using a FISCO installation are Plug Play actions in hazardous areas The system certification is not mandatory but is up to user discretion The expansion of the application is very simple It is possible to connect the maximum number of devices in the classified area The installation costs are reduced There is no need for parameter recalculation when changing the devices FNICO A new concep...

Страница 19: ...s Star or Tree Bus and Point to point Figure 1 16 In practice there is usually a mixed topology Figure 1 16 Examples to the Fieldbus Topology Shield and Grounding When considering shielding and grounding in field bus the following should be taken into account Electromagnetic compatibility Protection against explosion Protection of people ...

Страница 20: ...ontinuity of the cable shield must be kept in more than 90 of the cable total length See the Figure 1 17 Shield do tronco e das derivações unidos Shield PS 24 V PSI BT Figure 1 17 Shield Grounding The shield should cover the electric circuits completely through the connectors couplers splices and distribution and junction boxes The shield should never be used as a signal driver The shield continui...

Страница 21: ...would be to ground the junction boxes and the equipment housings in an equipotencial ground line on the non safety side The grounds on the non safety side and on the safe side are separate The multiple grounding conditions are also common with more effective protection from high frequency and electromagnetic noises This method is preferentially adopted in Germany and some countries in Europe In th...

Страница 22: ...ly 0 mA depending on the manufacturer The total segment current should be smaller than the one drained by the power supply Smar devices consume 12 mA FREE FDE BN Seg I I I I Because C Seg I I Where Seg I H1 segment current BN I Sum of the quiescent currents of all the devices in the H1 segment FDE I Additional current in case of failure usually negligible FREE I Recommended 20 mA rest current usef...

Страница 23: ... or Ex ib protection All the circuits connected to this segment should be certified for Ex ia or Ex ib protection Explosion Group IIC IIC Ex ia IIC If the measures are taken in an IIC explosion group the devices and components should be certified for the IIC explosion group Explosion Group IIB Ex ia IIC Ex ib IIB For the IIB medium explosion group both devices and components can be certified for t...

Страница 24: ...devices and less cables hence less barriers Equipments compliant to FISCO can be directly connected to IS networks based on the entity model The reverse condition needs to be evaluated Following are described some key points that should be considered during the implementation involving classified areas and fieldbus Which is the hazardous area Remember that non incendive is only allowed in Division...

Страница 25: ...pply Redundancy b Double active power supplies and impedance in case of a cabling break for See Figure 1 22 Guaranteed power supply Non guaranteed Integral communication Guaranteed failure position Figure 1 22 Double power supplies and PSI ...

Страница 26: ...Series 302 FIELDBUS FOUNDATION Installation Operation and Maintenance Manual 1 20 ...

Страница 27: ...o determine if there is an alarm condition It takes some time for the recognition to be received This will happen even if the alert condition disappeared and it will be reported by the device If it is not recognized in a given period the event report will be issued Similarly the communication informs automatically the configuration changes involving statistical data An event is generated by an int...

Страница 28: ...e display is also displays errors and other messages See Table 2 1 Displayed Messages Display Description INIT The device is in initializing mode after power on BOUT The sensor is open or not connected properly when it is applicable FAIL The device presents some fail or malfunctioning FACT The device is recovering default configuration to non volatile memory Table 2 1 Displayed Messages Basic deta...

Страница 29: ...ess defined for each professional operating the plant and a precise register of the history of modifications to guarantee the integrity of the project configuration data Live List The Live List function is available in the support tools and provides a list of all equipment in the fieldbus network after communication startup On the Fieldbus window select the fieldbus icon search the View menu and c...

Страница 30: ...at has no supporting files DD CF or FFB blocks file Flexible Function Block This situation can occur when there is some FFB block with ladder logic in the configuration Table 2 1 Icons that identify instruments and bridges in the Live List Block List The list of blocks instantiated in an instrument may be visualized through the Block List after the communication was initialized In the Fieldbus win...

Страница 31: ...on see AssetView Manual Visualizing the Device Page Each device has a standard Web page layout Each device installed in the plant has a page where the user can calibrate configure detect diagnose or reconcile the device configuration Navigate the topology tree and click on a device icon to view its page Figure 2 7 shows the FY302 page with the FY 302 AV01 tag Figure 2 7 Initial Page of an AssetVie...

Страница 32: ... manufacturer device type tag serial number and its versions Construction materials for wetted parts are also indicated Device View The Device View page monitors the instrument data such as temperature or pressure values read from the instrument Display In the Display page the user can configure the device s display viewing and modifying parameters such as device mnemonics Reconciliation Reconcili...

Страница 33: ...n to apply the latest revision for the selected device NOTE If the option Follow the Latest DD CF Revision is selected Syscon will update the device with the latest revision of the DD and CF every time the configuration file is opened To disable the automatic update right click the device icon click Exchange and unmark that option on the Exchange dialog box Figure 3 1 Device Dialog Box Type a rela...

Страница 34: ...ORTANT The HSE Device can only be added to the HSE Fieldbus Likewise the H1 Device can only be added to the H1 Fieldbus Creating a Device from a Template Para criar um instrumento baseado em um arquivo modelo selecione o ícone do fieldbus vá ao menu Edit e clique em Import Device Template Também é possível criar um instrumento através do menu do fieldbus clicando sobre o ícone com o botão direito ...

Страница 35: ...t a tag right click the block or device icon at the New Tag column and click Rename Type the new tag and click Enter on the keyboard Figure 3 5 Tag Table Dialog Box Click Ok to close the Tag Table dialog box and add the device to the configuration Changing the Device Attributes Right click the device icon and click Attributes The Device Attributes dialog box will open Figure 3 6 Device Attributes ...

Страница 36: ...s Enter the physical address in the Address field of the instrument The normal commissioning operation should use the options Commission and Decommission Only for some engineering and test scenarios with the Syscon in Advanced Mode options it is possible to delete the Device Id from the instrument without using the decommissioning procedure Click Clear to delete the Device Id This procedure do not...

Страница 37: ...Download Schedule in the channel where the device is configured right click the fieldbus icon and select Download Schedule After the download the device will operate as a Link Master OBSERVATION During the download all Master Backups in the Fieldbus Network will be configured with the Traffic Schedule Deleting Devices To remove a device from the Fieldbus window right click its icon and click Delet...

Страница 38: ...ts original Fieldbus window these links may no longer be available for the communication because no valid path would be found in the topology The incomplete links will be identified by a dotted line in the Strategy window Figure 3 13 Moving a Device Device Exchange When a defective device must be replaced by a new device with a newer or different Device Revision it is possible to exchange these de...

Страница 39: ... the functionalities that can be lost when exchanging the device See the example below Figure 3 15 Device Deviations Dialog Box The panel on the left shows the blocks and parameters configured in the original device and indicates the new device compatibilities The panel on the right compares the original device attributes to the new equipment selected Click the column headers Attribute Current Alt...

Страница 40: ...ributes are not compliant but the information won t be lost The High Severity filter indicates that the attributes are not compliant and the information can be lost or converted This filter will display all attributes Click Ok to confirm the Exchange procedure Syscon will verify the compatibility of the blocks If a block is not available in the target device a dialog box will open alerting the use...

Страница 41: ...re 3 18 Selecting a Compliant Block Repeat this procedure for each block that is not compatible with the new device Click Ok to confirm the alterations and close the Compatibility dialog box Blocks that cannot be converted will be removed from the configuration and sent to the Recycle Bin Parameters cannot be converted If there is no identical parameter in the new device the parameter will be dele...

Страница 42: ...al monitoring mode the system may show a variable The display transducer block can be configured by the Syscon In the example below the LD302 has four blocks instantiated analog input block display and Transducer and Resource blocks The transducer and the display are handled as special function blocks Instantiated blocks blocks Figure 3 19 Function Blocks and Transducers ...

Страница 43: ...d choosing values according to the user s needs The LCD display can be used for parameter monitoring or performance Local Programming Tree The programming tree is a menu system that allows the configuration of the most important items The menu is configured through the display block Each field device is supplied with a factory default setting There is a default setting for each type of field equip...

Страница 44: ...gned to the function block Relative Index Relative index of the specified block parameter Sub Index Logical member sub index Mnemonic Mnemonic assigned to the parameter Float Inc_Dec Step to increase or decrease for a float or integer type Decimal Point Number of decimal places after the mantissa Acces Permission to Read and or Write Alpha_Num Select the mnemonic or value in the display when the v...

Страница 45: ...Parameter Adjustment These settings are required to set a parameter on the LCD display After the first firmware download the display block will adjust the tags of functional blocks with default values Figure 3 23 Display Block Parameter Adjustment ...

Страница 46: ...Local Adjustment To enable this function the equipment must have the digital display The equipment has two holes located under the identification tag and the magnetic sensors are activated via magnetic tool See Figure 3 25 Figure 3 25 Local Adjustment The magnetic tool enables adjustment and monitoring of the parameters configured on the local adjustment tree The LOC ADJ at the top of the main boa...

Страница 47: ...inserts in and removes the magnetic tool from the SPAN hole the increment or decrement will be done in steps Remove the tool when the desired value is reached When incrementing a variable beyond the value desired move the tool to ZERO and wait until the decrement option of the same variable appears By moving the tool to SPAN it is reduced to the desired value For undershoot the opposite applies To...

Страница 48: ...r manufacturer Common manufacturer specific parameters are calibration settings materials information linearization curve etc When you perform a standard routine as a calibration you are guided step by step by a method The method is generally defined as guideline to help the user to make common tasks The configuration tool for example the Simatic PDM identifies each method associated to the parame...

Страница 49: ...llation Advanced Troubleshooting In order to find serious problems bus analyzers can be used to study the communication messages An oscilloscope balanced isolated for example operated by battery can also be a useful tool in severe cases TROUBLESHOOTING SYMPTOM PROBABLE SOURCE OF PROBLEM Device Connections Check wiring polarity and continuity Check for shorts or ground loops Check if the power supp...

Страница 50: ...ould be performed With exception to the equipment physical address and the GSD identifier number selector parameter After doing this all configurations must be remade according to their application Two magnetic tools should be used to this effect on the equipment withdraw the nut that fixes the identification tag on the top of the housing so that access is gained to the S and Z holes The operation...

Страница 51: ...er of devices in the network and per spur Communication fails with some devices Repeated address in the bus feeding tension insufficient 9 0 Vdc position of the terminators cable excess amount of devices besides allowed in the segment etc Make sure all the devices have different addresses and note that when placing a device in the bus with address 126 place it according to the configuration and on...

Страница 52: ...Series 302 FIELDBUS FOUNDATION Installation Operation and Maintenance Manual 4 4 ...

Страница 53: ... 1018 ft feet 1019 in inch 1020 yd yard 1021 mile mile 1022 nautical mile nautical mile 1 nautical mile 1852 meters 1023 m 2 square meter 1024 km 2 square kilometer 1025 cm 2 square centimeter 1026 dm 2 square decimeter 1027 mm 2 square millimeter 1028 a are 1 a 10 2 m 2 1029 ha hectare 1 ha 10 4 m 2 1030 in 2 square inch 1031 ft 2 square feet 1032 yd 2 square yard 1033 mile 2 square mile 1034 m c...

Страница 54: ...66 in s inch per second 1067 ft s feet per second 1068 yd s yard per second 1069 in min inch per minute 1070 ft min feet per minute 1071 yd min yard per minute 1072 in h inch per hour 1073 ft h feet per hour 1074 yd h yard per hour 1075 MPH miles per hour 1076 m s 2 meter per second per second 1077 Hz hertz 1 Hz 1 s 1 1078 THz terahertz 1079 GHz gigahertz 1080 MHz megahertz 1081 kHz kilohertz 1082...

Страница 55: ...kilogram square meter 1119 kg m s kilogram meter per second 1120 N newton 1 N 1 kg m s 2 1121 MN meganewton 1122 kN kilonewton 1123 mN millinewton 1124 μN micronewton 1125 kg m 2 s kilogram square meter per second 1126 N m newton meter 1127 MN m meganewton meter 1128 kN m kilonewton meter 1129 mN m millinewton meter 1130 Pa pascal 1 Pa 1 N m 2 1131 GPa gigapascal 1132 MPa megapascal 1133 kPa kilop...

Страница 56: ...m 2 s 1165 N m newton per meter 1166 mN m millinewton per meter 1167 J joule 1 J 1 N m 1168 EJ exajoules 1169 PJ petajoules 1170 TJ terajoules 1171 GJ gigajoules 1172 MJ megajoules 1173 kJ kilojoules 1174 mJ millijoules 1175 WH watt hour 1 W h 3 6 kJ 1176 TWH terawatt hour 1177 GWH gigawatt hour 1178 MWH megawatt hour 1179 KWH kilowatt hour 1180 cal calorie 1 cal 4 184 J 1181 kcal kilocalorie 1182...

Страница 57: ...lomb per cubic meter 1223 C mm 3 coulomb per cubic millimeter 1224 C cm 3 coulomb per cubic centimeter 1225 kC m 3 kilocoulomb per cubic meter 1226 mC m 3 millicoulomb per cubic meter 1227 μC m 3 microcoulomb per cubic meter 1228 C m 2 coulomb per square meter 1229 C mm 2 coulomb per square millimeter 1230 C cm 2 coulomb per square centimeter 1231 kC m 2 kilocoulomb per square meter 1232 mC m 2 mi...

Страница 58: ...er meter 1269 kWb m kiloweber per meter 1270 H henry 1 H 1 Wb A 1271 mH millihenry 1272 μH microhenry 1273 nH nanohenry 1274 pH picohenry 1275 H m henry per meter 1276 μH m microhenry per meter 1277 nH m nanohenry per meter 1278 A m 2 ampere square meter 1279 N m 2 A newton square meter per ampere 1280 Wb m weber meter 1281 Ohm Ohm 1 Ω 1 V A 1282 GOhm gigaOhm 1283 MOhm megaOhm 1284 kOhm kiloOhm 12...

Страница 59: ...gram per hour 1325 kg d kilogram per day 1326 t s metric ton per second 1 t 10 3 kg 1327 t min metric ton per minute 1328 t h metric ton per hour 1329 t d metric ton per day 1330 lb s pound per second 1331 lb min pound per minute 1332 lb h pound per hour 1333 lb d pound per day 1334 STon s short ton per second 1 STon 2000 pounds 1335 STon min short ton per minute 1336 STon h short ton per hour 133...

Страница 60: ...72 bbl min barrel per minute 1373 bbl h barrel per hour 1374 bbl d barrel per day 1375 W m 2 watt per square meter 1376 mW m milliwatt per square meter 1377 μW m 2 microwatt per square meter 1378 pW m 2 picowatt per square meter 1379 Pa s m 3 pascal second per cubic meter 1380 N s m newton second per meter 1381 Pa s m pascal second per meter 1382 B bel 1383 dB decibel 1 dB 10 1 B 1384 mol mole SI ...

Страница 61: ...roof mass proof per mass 1430 lb ImpGal pound per Imperial gallon 1431 kcal s kilocalorie per second 1432 kcal min kilocalorie per minute 1433 kcal h kilocalorie per hour 1434 kcal d kilocalorie per day 1435 Mcal s megacalorie per second 1436 Mcal min megacalorie per minute 1437 Mcal d megacalorie per day 1438 kJ s kilojoules per second 1439 kJ min kilojoules per minute 1440 kJ h kilojoules per ho...

Страница 62: ...lon per hour 1475 μImpGal d micro imperial gallon per day 1476 mImpGal d milli imerial gallon per day 1477 kImpGal d kilo imperial gallon per day 1478 MImpGal d mega imperial gallon per day 1479 μbbl s microbarrel per second 1480 mbbl s millibarrel per second 1481 kbbl s kilobarrel per second 1482 Mbbl s megabarrel per second 1483 μbbl min microbarrel per minute 1484 mbbl min millibarrel per minut...

Страница 63: ...ndor specific 1525 1526 vendor specific 1526 1527 vendor specific 1527 1528 vendor specific 1528 1529 vendor specific 1529 1530 vendor specific 1530 1531 vendor specific 1531 1532 vendor specific 1532 1533 vendor specific 1533 1534 vendor specific 1534 1535 vendor specific 1535 1536 vendor specific 1536 1537 vendor specific 1537 1538 vendor specific 1538 1539 vendor specific 1539 1540 vendor speci...

Страница 64: ...ter 1559 μg l Micro gramm per Liter 1560 Sät 1561 vpm 1562 vol Volume percent 1563 ml min Milli liter per minute 1564 mg dm 3 Milli gramm per cubic deci meter 1565 mg l Milli gramm per Liter 1566 mg m Milli gramm per cubic meter 1567 Reserved 1994 Reserved 1995 Textual unit definition 1996 Not used 1997 None 1998 unknown 1999 special Table 5 1 Unit Codes ...

Страница 65: ... operational limits temperature humidity etc according to the instructions manual In addition this Warranty Certificate excludes expenses with transportation freight insurance all of which are the customer s responsibility 4 For warranty or non warranty repair please contact your representative Further information about address and contacts can be found on www smar com contactus asp 5 In cases nee...

Страница 66: ...ing them for repair and SMAR and its dealer reserve themselves the right to refuse the service in cases not compliant to those conditions It is the customer s responsibility to tell SMAR and its dealer when the product was utilized in applications that contaminate the equipment with harmful products during its handling and repair Any other damages consequences indemnity claims expenses and other c...

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