SMAR TT303 Operation, Maintenance & Instruction Manual
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SMAR TT303 Operation, Maintenance & Instruction Manual

Profibus pa temperature transmitter
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OPERATION & MAINTENANCE
INSTRUCTIONS MANUAL
PROFIBUS PA TEMPERATURE
TRANSMITTER
APR / 15
TT303
VERSION 3
T T 3 0 3 M E

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  • Page 1 OPERATION & MAINTENANCE INSTRUCTIONS MANUAL PROFIBUS PA TEMPERATURE TRANSMITTER APR / 15 TT303 VERSION 3 T T 3 0 3 M E...
  • Page 2 Specifications and information are subject to change without notice. Up-to-date address information is available on our website. web: www.smar.com/contactus.asp...
  • Page 3 Introduction INTRODUCTION The TT303 is from the first generation of Profibus PA devices. It is a transmitter mainly intended for measurement of temperature using RTDs or thermocouples, but can also accept other sensors with resistance or mV output such as: pyrometers, load cells, resistance position indicators, etc. The...
  • Page 4 Smar provides specific training to instruct and qualify such professionals. However, each country must comply with the local safety procedures,...

  • Page 5: Table Of Contents

    COMPENSATION OF LINE RESISTANCE FOR RTD DOUBLE SENSOR OR OHM SENSOR ........3.12 COMPENSATION OF COLD JUNCTION ........................3.12 CALIBRATION IN TT303 BY THE USER ........................3.12 HOW TO CONFIGURE THE ANALOG INPUT BLOCK ....................3.14 PROGRAMMING USING LOCAL ADJUSTMENT ......................3.17 LOCAL ADJUSTMENT TREE - QUICK GUIDE ......................
  • Page 6 TT303 – Operation and Maintenance Instruction Manual EUROPEAN CERTIFICATIONS ............................... A.2 ASIA CERTIFICATION ..................................A.2 IDENTIFICATION PLATE AND CONTROL DRAWING ....................A.2 IDENTIFICATION PLATE ................................. A.2 CONTROL DRAWING ..................................A.5 APPENDIX B – SRF – SERVICE REQUEST FORM ............... B.1...
  • Page 7 Installation Flowchart Installation Flowchart Start Was the transmitter configured on the bench to match the application? Configure the sensor and its Check the area classification connections (Section 1 and and its practices. Section 3 - Configuration) Configure the measuring type Install the transmitter preferably (differantial, dual, backup, or single) on weather- protected areas.
  • Page 8 TT303 – Operation and Maintenance Instruction Manual VIII...

  • Page 9: Section 1 - Installation

    Section 1 INSTALLATION General The overall accuracy of temperature and other measurements depends on several variables. Although the transmitter has an outstanding performance, proper installation is essential in order to maximize its performance. Among all factors which may affect transmitter accuracy, environmental conditions are the most difficult to control.
  • Page 10 TT303 – Operation and Maintenance Instruction Manual COVER LOCKING SCREW Figure 1.1 - Cover Locking Cable access to wiring connections are obtained by one of the two conduit outlets. Conduit threads should be sealed by means of code-approved sealing methods. The unused outlet connection should be plugged accordingly.

  • Page 11: Sensor Wiring

    All devices are connected in parallel along the same pair of wires. Various types of Fieldbus devices may be connected on the same bus. The TT303 is powered via the bus. The limit for such devices is according to the DP/PA coupler limitations for one bus for non- intrinsically safe requirement.
  • Page 12 TT303 – Operation and Maintenance Instruction Manual 2 - WIRE RTD OR OHM INPUT 3 - WIRE RTD OR OHM INPUT 4 - WIRE RTD OR OHM INPUT THERMOCOUPLE MILLIVOLT INPUT INPUT M DUAL OR DIFFERENTIAL DUAL OR DIFFERENTIAL RTD OR OHM INPUT...

  • Page 13: Topology And Network Configuration

    Installation Topology and Network Configuration Bus topology (see Figures 1.6 and 1.7) are supported. Both types have a trunk cable with two terminations. The devices are connected to the trunk via spurs. The spurs may be integrated in the device giving zero spur length. A spur may connect more than one device, depending on the length. Active couplers may be used to extend spur length.

  • Page 14: Intrinsic Safety Barrier

    Use of DF47 is recommended. Jumper Configuration In order to work properly, the jumpers J1 and W1 located in the TT303 main board must be correctly configured (See Table 1.1). This jumper enables the simulation mode parameter in the AI block.

  • Page 15: Installation In Hazardous Areas

    In Explosion-Proof installations the cable entries must be connected or closed using metal cable gland and metal blanking plug, both with at least IP66 and Ex-d certification. The standard plugs provided by Smar are certified according to CEPEL certificate. If the plug needs to be replaced, a certified plug must be used.
  • Page 16 TT303 – Operation and Maintenance Instruction Manual...

  • Page 17: Section 2 - Operation

    Section 2 OPERATION The TT303 accepts signals from mV generators such as thermocouples or resistive sensors such as RTDs. The criterion is that the signal is within the range of the input. For mV, the range is -50 to 500 mV and for resistance, 0-2000 Ohm.

  • Page 18: Temperature Sensors

    Figure 2.2 - LCD Indicator Temperature Sensors The TT303, as previously explained, accepts several types of sensors. The TT303 is specially designed for temperature measurement using thermocouples or Resistive Temperature Detectors (RTDs). Some basic concepts about these sensors are presented below.
  • Page 19 This is called cold junction compensation, and is done automatically by the TT303, which has a temperature sensor at the sensor terminals for this purpose. Secondly, if the thermocouple wires are not used, all the way to the terminals of the transmitter (e.g., copper wire is used from sensor-head or marshaling box) will...
  • Page 20 TT303 – Operation and Maintenance Instruction Manual V2-V1 = [RTD + R] x I - R x I = RTD x I TRANSMITTER Figure 2.4 - Three – Wire Connection In a 4-wire connection, terminals 2 and 3 are high impedance inputs. Thus, no current flows through those wires and no voltage drop is caused.

  • Page 21: The Display

    Figure 2.7 – Typical Monitoring Mode Display Monitoring During normal operation, the TT303 is in the monitoring mode. In this mode, indication alternates between the primary and secondary variable as configured in DISPLAY. See Figure 2.8. The display indicates engineering units, values and parameters simultaneously with most status indicators.

  • Page 22: Alarm

    TT303 – Operation and Maintenance Instruction Manual Alarm The two alarms are software alarms and have no contacts available on the transmitter. The alarms are acknowledged by using the Local Adjustment or the Configurator, which can view and configure alarms as well - see further Section III. During an alarm, the display will indicate which alarm has been activated and if it has been acknowledged or not.

  • Page 23: Section 3 - Configuration

    Section 3 CONFIGURATION This section describes the characteristics of the blocks in the TT303. They follow the Profibus PA specifications, but in terms of transducer blocks, the input transducer block and display, they have some special features on top of this.

  • Page 24: Functional Diagram Of The Temperature Transducer Block

    TT303 – Operation and Maintenance Instruction Manual Functional Diagram of the Temperature Transducer Block Process Transducer Block Transducer Block AI FB(’s) RJ_TEMP EXTERNAL_RJ_VALUE R.J. RJ_TYPE R.J. Comp. Arithmetic Input Linearization BIAS_1 SECONDARY_VALUE_1 Input 1 PRIMARY_VALUE Input 2 SECONDARY_VALUE_2 BIAS_2 INPUT_RANGE,...
  • Page 25 Configuration PARAMETER DESCRIPTION Input malfunction: Diagnosis object for errors that concern SV_2 INPUT_FAULT_2 0 = Input OK Bit and byte definition see INPUT_FAULT_1 Electrical input range and mode. The ranges are manufacturer specific but range n is smaller than range n+1 ...
  • Page 26 TT303 – Operation and Maintenance Instruction Manual PARAMETER DESCRIPTION Physical lower limit function of sensor (e.g. Pt 100 = -200°C) and input range. In the case of multichannel measurements (e.g. differential measurement) the meaning of LOWER_SENSOR_LIMIT is the limit of one LOWER_SENSOR_LIMIT channel not the calculated limit of both channels.

  • Page 27: Temperature Transducer Block General Parameter Attributes

    Configuration PARAMETER DESCRIPTION 1, "Factory Cal Restore", 2, "Last Cal Restore", 3, "Default Data Restore", 11, "Factory Cal Backup", 12, "Last Cal Backup", 14, "Shut-Down Data Backup", 0, "None". Indicates the condition of calibration process according to: {16, "Default value set"}, {22, "Applied process out of range"}, XD_ERROR {26, "Invalid configuration for request"},...

  • Page 28: Tt303 - Cyclic Configuration

    TT303 has 1 functional block: AI. Most PROFIBUS configuration tools use two directories where the different manufacturers’ GSD’s and BITMAPS files are stored. The GSD’s and BITMAPS for Smar devices can be obtained through the website: (https://www.smar.com), on the ‘download’ link.
  • Page 29 Choose the cyclic configuration via parameterization using the gsd file that depends on the application, as detailed previously. For every AI (Analog Input) block, the TT303 provides the process variable to the master in 5 bytes value, being the first four according to float point data type and the fifth byte is the status that brings the measure quality of this information;...
  • Page 30 TT303 – Operation and Maintenance Instruction Manual Figure 3.3 – PDM Simatic - Function and Transducers Blocks Use this menu: - To change the device address; - To make the up/download of parameters; - To configure the Transducer Blocks, Analog Blocks and Display Block;...
  • Page 31 Configuration The user can select the Measured type: T1-T2, Process Temperature or Backup. The user can set the sensor transducer number. Please, select sensor type according to the application and the connection type. After selecting This parameter selects the the desired type of sensor connection.

  • Page 32: Sensor Transducer Number

    TT303 – Operation and Maintenance Instruction Manual It is possible to configure connection and sensor type by means of parameters SENSOR_TYPE and SENSOR_CONNECTION. The connection and sensor types available are listed in the tables Table 3.6 and Table 3.7. Using the "Advanced Settings" window, the user can set the scaling and unit for the output value according to the Transducer Block Diagram, bias of channels and set the cold junction and 2-wires compensation according to his application.

  • Page 33: Jumper Configuration

    Configuration Jumper Configuration In order to work properly, the jumpers J1 and J3 located in the TT303 main board must be correctly configured. J1 is responsible to enable the AI block simulate mode. W1 is responsable to enable the local adjustment.

  • Page 34: How To Connect Two Sensors

    Compensation of Line Resistance for RTD Double Sensor or Ohm Sensor TT303 allows connecting two sensors but it is possible just using 2 wires and this can cause an error due to the absence of compensation of line resistance. To minimize this error, there is the TWO_WIRES_COMPENSATION parameter that enables the calculation of line resistance.
  • Page 35 Configuration The user can select lower or upper calibration. The user can see the lower sensor limit and the actual calibrated point. The user just needs to inform the desired point. The user can verify The user can see the the calibration measured temperature operation result.

  • Page 36: How To Configure The Analog Input Block

    TT303 – Operation and Maintenance Instruction Manual The user can see the upper sensor limit and the actual calibrated point. The use just needs to inform the desired The user can verify the calibration operation result. The user can see...
  • Page 37 Configuration The user can set the block mode operation. The user can select PV, Sec Value 1 or Sec Value 2 Scale of input for the value. The channel. unit comes parameter. from the transducer block. Scales and unit for the output value.
  • Page 38 TT303 – Operation and Maintenance Instruction Manual The user can set Alarm/Warning limits. The fail safe conditions. Figure 3.14 – Profibus View - Advanced Settings for Analog Input Block Figure 3.15 – PDM Simatic - Advanced Settings for Analog Input Block...

  • Page 39: Programming Using Local Adjustment

    Configuration The user can set the mode block operation. The user can monitor the output parameter and verify the current state alarm. Figure 3.16 – Profibus View - Analog Input Block Figure 3.17 – PDM Simatic - Online Configuration for Analog Input Block Programming Using Local Adjustment The local adjustment is completely configured by Profibus View or Simatic PDM or any other configuration tool.

  • Page 40: Identification Plate

    Without display, the local adjustment is not possible. Figure 3.18 - Local Adjustment Holes Table 3.5 shows the actions on the Z and S holes on the TT303 when Local Adjustment is enabled. HOLE ACTION Inicializes and rotates through the available functions.

  • Page 41: Local Adjustment Tree - Quick Guide

    Configuration Local Adjustment Tree - Quick Guide 3.19...

  • Page 42: J1 Jumper Connections

    TT303 – Operation and Maintenance Instruction Manual J1 Jumper Connections If J1 (see figure 3.14) is connected to ON, then simulation mode in the AI block is enabled. W1 Jumper Connections If W1 is connected to ON, the local adjustment programming tree is enabled and then important block parameters can be adjusted and communication can be pre-configured via local adjustment.
  • Page 43 S. orifice S once more and LOC ADJ should be displayed. Figure 3.21 - Step 2 - TT303 Place the magnetic tool In this option the in orifice Z. In case this first variable is the first configuration,...

  • Page 44: Transducer Display - Configuration

    TT303 – Operation and Maintenance Instruction Manual In order to range the In order to upper value(upper), decrement the simply insert the upper value, place magnetic tool in orifice the magnetic tool in S as soon as upper is orifice Z to shift the shown on the display.

  • Page 45: Display Transducer Block

    Configuration Figure 3.26 – Profibus View - Display Block Figure 3.27 – PDM Simatic - Display Block Display Transducer Block The local adjustment is completely configured by Profibus View or Simatic PDM. It means, the user can select the best options to fit his application. From factory, it is configured with the options to set the Upper and Lower trim, for monitoring the input transducer output and check the Tag.

  • Page 46: Definition Of Parameters And Values

    "Programming Using Local Adjustment". The resources on this transducer display are very signifcant, and all of the Series 303 field devices from SMAR have the same methodology to handle with it. So, since the user has learned once, he is capable to handle all kind of field devices from SMAR.
  • Page 47 Configuration The option "Write" should be selected in order to execute the upgrade of local adjustment programming tree. After its step all the parameters selected will be shown on the LCD display. Figure 3.28 – Profibus View - Parameters for Local Adjustment Configuration Figure 3.29 –...
  • Page 48 TT303 – Operation and Maintenance Instruction Manual When the option “enable” is selected, the user can change the physical device address Figure 3.30 – Profibus View - Parameters for Local Adjustment Configuration Figure 3.31 – PDM Simatic - Parameters for Local Adjustment Configuration When the user enter into the local adjustment and rotate the parameters using the magnetic tool, after escaping to normal operation, e.g, the monitoring, if the parameter when the magnetic tool is...
  • Page 49 Configuration Selecting "None", only the last chosen monitoring parameter will be shown at LCD. Figure 3.32 – Profibus View - Parameters for Local Adjustment Configuration Figure 3.33 – PDM Simatic - Parameters for Local Adjustment Configuration The user can select the "Mode Block" parameter at the LCD. In this case is necessary to select the index equal to "Mode Block": 3.27...
  • Page 50 TT303 – Operation and Maintenance Instruction Manual With this option, the Mode Block parameter is shown at the LCD. Figure 3.34 – Profibus View - Parameters for Local Adjustment Configuration Figure 3.35 – PDM Simatic - Parameters for Local Adjustment Configuration...
  • Page 51 Configuration Cyclical Diagnosis Via cyclic communication is possible to verify diagnostics from the TT303 using the Profibus Master Class 1 or even via acyclic communication via Master Class 2. The Profibus-PA devices provide up to 4 standard diagnoses bytes via Physcial Block (see figure 3.36 and 3.37) and when the most significant bit of the fourth Byte is "1", the diagnose will extend the information in more 6 bytes.
  • Page 52 TT303 – Operation and Maintenance Instruction Manual Unit_Diag_Bit(35) = "Restart" Unit_Diag_Bit(36) = "Coldstart" Unit_Diag_Bit(37) = "Maintenance required" Unit_Diag_Bit(38) = "Not used 38" Unit_Diag_Bit(39) = "Ident_Number violation" ;Byte 03 Unit_Diag_Bit(40) = "Not used 40" Unit_Diag_Bit(41) = "Not used 41" Unit_Diag_Bit(42) = "Not used 42"...
  • Page 53 Unit_Diag_Bit(103) = "Not used 103" NOTE If the FIX flag is active on LCD, the TT303 is configured to "Profile Specific" mode. When in "Manufacturer Specific" mode, the Identifier Number is 0x089A. Once the Identifier_Number_Selector is changed from "Profile Specific" to "Manufacturer Specific" or vice-versa, one must wait 5 seconds while is saved. Then, turn the TT303 off and turn it on again.
  • Page 54 TT303 – Operation and Maintenance Instruction Manual 3.32...

  • Page 55: Section 4 - Maintenance Procedures

    It should be grounded at one end only.  Power Supply Check power supply output. The voltage must be between 9 - 32 VDC at the TT303 terminals. Noise and ripple should be within the following limits: a) 16 mV peak to peak from 7.8 to 39 KHz.

  • Page 56: Disassembly Procedure

    TT303 - Operation and Maintenance Instruction Manual Disassembly Procedure Refer to Figure 4.2. Make sure to disconnect the power supply before disassembling the transmitter. Sensor If the sensor is mounted on the transmitter, first disconnect the wires in order to prevent the wires from breaking.

  • Page 57: Returning Materials

    Maintenance Procedures Returning Materials Should it become necessary to return the transmitter to SMAR, simply contact your local agent or SMAR office, informing the defective instrument’s serial number, and return it to our factory. In order to expedite analysis and solution of the problem, the defective item should be returned with a description of the failure observed, with as many details as possible.
  • Page 58 TT303 - Operation and Maintenance Instruction Manual SPARE PARTS LIST CATEGORY DESCRIPTION OF PARTS POSITION CODE (NOTE 1) HOUSING, Aluminum (NOTE 2) . ½ - 14 NPT 400-0298 . M20 x 1.5 400-0299 . PG 13.5 DIN 400-0300 HOUSING, 316 SS (NOTE 2) .
  • Page 59 Maintenance Procedures NOTE For category A, it is recommended keep, in stock, 25 parts installed for each set, and for category B, 50. It includes Terminal holder insulator, bolts (cover lock, grounding and terminal holder insulator) and identification plate without certification.
  • Page 60 TT303 - Operation and Maintenance Instruction Manual...

  • Page 61: Section 5 - Technical Characteristic

    Basic configuration may be done using the local adjustment magnetic tool if device is fitted with display. Complete Configuration configuration is possible using configuration tools such as Syscon302 (System Configuration Tool), AMS , FieldCare and HHT375. TT303 can be configured using Profibus View or Simatic PDM. Humidity Limits 0 to 100% RH Damping User configurable from 0 to 32 seconds (via digital communication).
  • Page 62 TT303 – Operation and Maintenance Instruction Manual Physical Specifications Control Functions PHY, TRD, DSP e AI Characteristics (Optional) 2, 3 or 4 wires ° MINIMUM C DIGITAL ° ° SENSOR TYPE RANGE RANGE SPAN °C ACCURACY* Cu10 ± 1.0 Ni120 ±...
  • Page 63 Technical Characteristics DIFFERENTIAL ° MINIMUM C DIGITAL ° ° SENSOR TYPE RANGE RANGE SPAN °C ACCURACY* Cu10 -270 -486 ± 2.0 Ni120 -320 -576 ± 0.5 Pt50 -1050 1050 -1890 1890 ± 1.0 Pt100 -1050 1050 -1890 1890 ± 1.0 Pt500 Pt1000 Pt50...

  • Page 64: Ordering Code

    TT303 – Operation and Maintenance Instruction Manual Ordering Code MODEL TEMPERATURE TRANSMITTER COD. Local Indicator Without Indicator With Digital Indicator COD. Mounting Bracket Without Bracket 316 SST Bracket Flat, 304 SST bracket and 316 SST accessories Carbon Steel Bracket Carbon Steel Bracket with 316 SST Fasteners COD.

  • Page 65: Appendix A - Certifications Information

    Crrgpfkz"C" " CERTIFICATIONS INFORMATION Gwtqrgcp"Fktgevkxg"Kphqtocvkqp" Consult www.smar.com for the EC declarations of conformity for all applicable European directives and certificates. ATEX Directive (94/9/EC) – “Electrical equipment and protective system intended for use in potential explosive atmospheres” The EC-Type Examination Certificate had been released by Nemko AS (CE0470) and/or DEKRA EXAM GmbH (CE0158), according to European Standards.
  • Page 66 Voc = 8.25V, Isc = 85.6 mA, Ca = 5.5 uF, La = 4,8 mH; when connected as per Smar Installation drawing 102A0553; T Code T3C @ Max Ambient 40 Deg C. Class 2258 04 – Process Control Equipment – Intrinsically Safe Entity – For Hazardous Locations (CSA1110996)
  • Page 67 Voc = 8.25V, Isc = 85.6 mA, Ca = 5.5 uF, La = 4,8 mH; when connected as per SMAR Installation drawing 102A0553; T Code T3C @ Max Ambient 40 Deg C. Note: Only models with stainless steel external fittings are Certified as Type 4X.
  • Page 68 Special conditions for safe use: The certificate number ends with the letter "X" to indicate that for the version of Temperature Transmitter model TT303 equipped with housing made of aluminum alloy, only can be installed in "Zone 0" if is excluded the risk of occurs impact or friction between the housing and iron/steel itens.
  • Page 69 Egtvkhkecvkqpu"Kphqtocvkqp" " Kfgpvkhkecvkqp"Rncvg"" CSA (Canadian Standards Association) FM Approvals (Factory Mutual) NEMKO (Norges Elektriske MaterielKontroll) / EXAM (BBG Prüf - und Zertifizier GmbH) C07"...
  • Page 70 VV525"⁄"Qrgtcvkqp"cpf"Ockpvgpcpeg"Kpuvtwevkqp"Ocpwcn"" " CEPEL (Centro de Pesquisa de Energia Elétrica) C08"...
  • Page 71 Egtvkhkecvkqpu"Kphqtocvkqp" " Eqpvtqn"Ftcykpi" Canadian Standards Association (CSA) C09"...
  • Page 72 VV525"⁄"Qrgtcvkqp"cpf"Ockpvgpcpeg"Kpuvtwevkqp"Ocpwcn"" " C0:"...
  • Page 73 Egtvkhkecvkqpu"Kphqtocvkqp" " Factory Mutual (FM) C0;"...
  • Page 74 VV525"⁄"Qrgtcvkqp"cpf"Ockpvgpcpeg"Kpuvtwevkqp"Ocpwcn" " C032"...
  • Page 75 FAILURE DESCRIPTION OR BAD OPERATION (Please, describe the behavior of the fail, if it is repetitive, how it exactly happens, and so on.) NOTES 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.
  • Page 76 Service Request Form...

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