SMAR TT302 Installation, Operation & Maintenance Instruction Manual Download | Manualshive

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Configuration

3-11

Figure 3.11 - Parameters for Local Adjustment Configuration

Programming Using Local Adjustment

The transmitter has two holes for magnetic switches activated by the magnetic tool
located under the identification plate.

This magnetic tool enables adjustment of the most important parameters of the blocks.

The jumper W1 on top of the main circuit board must be in place for this function to be
enabled and the transmitter must be fitted with the digital display for access to the local
adjustment. Without the display the local adjustment is not possible.

Local Programming Tree

Figure 3.12 - Step 1 - TT302

The option "update"
should be selected in
order to execute the
upgrade of local
adjustment programming
tree.

After its step all the
parameters selected will
be show on the LCD
display.

This parameter
updates the local
adjustment
programming tree
configured on each
device.

TT2EM311.CDR

TT2EM312.CDR

Place the magnetic
tool in orifice

S

and

wait during 5
seconds.

In order to start the
local adjustment,
place the magnetic
tool in orifice

Z

and

wait until letters

MD

are displayed.

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Summary of Contents for TT302

Page 1: ......

Page 2: ...37 Fax 49 6131 582249 MEXICO Smar Mexico 11 Poniente No 1314 1 PB Col Centro C P 72000 Ciudad de Puebla Puebla Tel 52 22 46 4386 Fax 52 22 46 4386 NORWAY Smar Norge A S Sandviksveien 18 N 5035 Sandviken Bergen Tel 47 55 13 3885 Fax 47 55 13 3886 SINGAPORE Smar Singapore Pte Ltd 315 Outram Road 04 05 Tan Boon Liat Building Singapore 169074 Tel 65 324 0182 Fax 65 324 0183 USA Smar International Corp...

Page 3: ...CONNECT TWO SENSORS TO TT302 3 5 COMPENSATION OF LEAD RESISTANCE FOR RTD or Ohm 3 6 COMPENSATION OF LEAD RESISTANCE FOR RTD or Ohm Double Sensors 3 6 CALIBRATION IN TT302 BY THE USER 3 6 CHANGING UNITS IN TEMPERATURE SENSORS 3 6 TRANSDUCER DISPLAY CONFIGURATION 3 7 DISPLAY TRANSDUCER BLOCK 3 7 DEFINITION OF PARAMETERS AND VALUES 3 8 PROGRAMMING USING LOCAL ADJUSTMENT 3 11 LOCAL PROGRAMMING TREE 3 ...

Page 4: ...ALIBRATION TT302 3 5 FIGURE 3 6 CREATING TRANSDUCER AND FUNCTION BLOCKS 3 7 FIGURE 3 7 PARAMETERS FOR LOCAL ADJUSTMENT CONFIGURATION 3 9 FIGURE 3 8 PARAMETERS FOR LOCAL ADJUSTMENT CONFIGURATION 3 9 FIGURE 3 9 PARAMETERS FOR LOCAL ADJUSTMENT CONFIGURATION 3 10 FIGURE 3 10 PARAMETERS FOR LOCAL ADJUSTMENT CONFIGURATION 3 10 FIGURE 3 11 PARAMETERS FOR LOCAL ADJUSTMENT CONFIGURATION 3 11 FIGURE 3 12 ST...

Page 5: ...l with performance like a 4 20 mA system requires higher speed Since higher speed means higher power consumption this clashes with the need for intrinsic safety Therefore a moderately high communication speed was selected and the system was designed to have minimum communication overhead Using scheduling the system controls the variable sampling the algorithm execution and the communication to opt...

Page 6: ...ture Transmitter VI WARNING 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 software version 3 ...

Page 7: ...overs must be completely closed by tightening them by hand until you feel the O rings being compressed Do not use tools to close the covers Removal of the electronics cover in the field should be reduced to the minimum necessary since each time it is removed the circuits are exposed to humidity The electronic circuit is protected by a humidity proof coating but frequent exposure to humidity may af...

Page 8: ...e 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 The wiring block has screws on which fork or ring type terminals can be fastened See Figure 1 2 Ground Terminals Figure 1 2 Ground Terminals For convenience there are three ground terminals one inside the cover and two externally located...

Page 9: ...red via the bus The limit for such devices is 16 for one bus for non intrinsically safe requirement In hazardous areas the number of devices may be limited to 6 devices by intrinsically safe restrictions The TT302 is protected against reverse polarity and can withstand 35 VDC without damage Use of twisted pair cables is recommended It is also recommended to ground shield of shielded cables at one ...

Page 10: ...ith intrinsically safe or non incendive requirements the circuit entity parameters and applicable installation procedures must be observed Cable access to wiring connections is obtained by the two conduit outlets Conduit threads should be sealed by means of code approved sealing methods The unused outlet connection should be plugged and sealed accordingly Should other certifications be necessary r...

Page 11: ...Installation 1 5 Figure 1 5 Tree Topology TT2EM105 CDR ...

Page 12: ...TT302 Fieldbus Temperature Transmitter 1 6 ...

Page 13: ...scribed below Figure 2 1 TT302 Block Diagram MUX Multiplexer The MUX multiplexes the sensor terminals to the signal conditioning section ensuring that the voltages are measured between the correct terminals Signal Conditioner Its function is to apply the correct gain to the input signals to make them suit the A D converter A D Converter The A D converts the input signal to a digital format for the...

Page 14: ...on Controller It monitors line activity modulates and demodulates communication signals and inserts and deletes start and end delimiters Power Supply Takes power of the loop line to power the transmitter circuitry Power Isolation Just like the signals to and from the input section the power to the input section must be isolated Isolation is achieved by converting the DC supply into a high frequenc...

Page 15: ...between the measuring junction and the cold junction temperatures Therefore the temperature at the reference junction must be added to the temperature derived from the thermocouple output in order to find the temperature measured This is called cold junction compensation and is done automatically by the TT302 which has a temperature sensor at the sensor terminals for this purpose Secondly if the t...

Page 16: ...2 3 Two Wire Connection In a 2 wire connection the voltage V2 is proportional to the RTD resistance plus the resistance of the wires V2 RTD 2 x R x I Figure 2 3 Two Wire Connection In order to avoid the resistance effect of the connection wires it is recommended to use a 3 wire connection See Figure 2 4 Three Wire Connection or a 4 wire connection See Figure 2 5 Four Wire Connection In a 3 wire co...

Page 17: ...age V2 is directly proportional to the RTD resistance V2 RTD x I Figure 2 5 Four Wire Connection A differential or dual channel connection is similar to the two wire connection and gives the same problem See Figure 2 6 Differential or Dual Connection The resistance of the wires will be measured and do not cancel each other out in a temperature measurement since linearization will affect them diffe...

Page 18: ...TT302 Fieldbus Temperature Transmitter 2 6 ...

Page 19: ...nctions such as linearization characterization temperature compensation control and exchange data to hardware How to Configure a Transducer Block The transducer block has an algorithm a set of contained parameters it means you are not able to link these parameters to other blocks and publish the link via communication and a channel connecting it to a function block The algorithm describes the beha...

Page 20: ...asurement NOTE Avoid routing sensor wiring close to power cables or switching equipment In accordance with connection and sensor types the terminal blocks shall be wired as shown on the figure below See Figure 3 1 Sensor Wiring Figure 3 1 Sensor Wiring Jumper Configuration In order to work properly the jumpers J1 and J3 located in the TT302 main board must be correctly configured J1 is responsible...

Page 21: ...d in the tables Table 3 1 Sensor Type Table and Table 3 2 Type of Connection Table as well as the corresponding value Figure 3 3 Temperature Calibration TT302 NOTE There are no 3 or 4 wire connections for mile voltage sensors This parameter could be 1 or 2 for indicating respectively first or second transducers This parameter sets the transducer number according to the type of temperature measurem...

Page 22: ...hm 100 Ohm 400 Ohm 2 000 TC B NBS TC E NBS TC J NBS TC K NBS TC N NBS TC R NBS TC S NBS TC T NBS TC L DIN TC U DIN mV 22 mV 100 mV 500 Table 3 1 Sensor Type Table This list contains the number of wires available for each type of sensor This parameter selects the type of sensor connection The options here will depend on Sensor Type chosen as described above TT2EM304 CDR ...

Page 23: ... In this case there is only one transducer Should the first sensor between terminals 3 and 4 open the second sensor between terminals 2 and 4 will supply the signal to the transducer Double In this case there are two transducers Each sensor provides a signal to its respective transducer In order to be able to operate with sensors in the backup or differential modes the user shall actuate parameter...

Page 24: ...calculates the lead resistance All the user is required to do is to short circuit the sensor in the field and to actuate this parameter Calibration in TT302 by the User The electronics of TT302 is very stable in time not requiring further calibrations after manufacturer s calibration However should the client decide to use his reference to calibrate the TT302 which is not recommendable this may be...

Page 25: ...d devices by using a magnetic tool Figure 3 6 Creating Transducers and Function Blocks Display Transducer Block The local adjustment is completely configured by SYSCON 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 Normally the transmitte...

Page 26: ...shown on the display are default values There are seven groups of parameters which may be pre configured by the user in order to able a possible configuration by means of the local adjustment As an example let s suppose that you don t want to show some parameters in this case simply write an invalid Tag in the parameter Block_Tag_Param_X Doing this the device will not take the parameters related i...

Page 27: ...alphanumeric field In option mnemonic the display may show the data in the numeric field and the mnemonic in the alphanumeric field In case you wish to visualize a certain tag opt for the index relative equal to zero and for the sub index equal to one refer to paragraph Structure Block in the Function Blocks Manual Figure 3 7 Parameters for Local Adjustment Configuration Figure 3 8 Parameters for ...

Page 28: ...TT302 Fieldbus Temperature Transmitter 3 10 Figure 3 9 Parameters for Local Adjustment Configuration Figure 3 10 Parameters for Local Adjustment Configuration TT2EM309 CDR TT2EM310 CDR ...

Page 29: ...fitted with the digital display for access to the local adjustment Without the display the local adjustment is not possible Local Programming Tree Figure 3 12 Step 1 TT302 The option update should be selected in order to execute the upgrade of local adjustment programming tree After its step all the parameters selected will be show on the LCD display This parameter updates the local adjustment pro...

Page 30: ...emonic configured by the SYSCON Otherwise the option shown on the display will be the one configured in the prior operation By keeping the tool inserted in this orifice the local adjustment menu will rotate TT2EM315 CDR In order to decrement the lower value place the magnetic tool in orifice Z to shift the arrow to the downward position and then by inserting and keeping the tool in orifice S it is...

Page 31: ...in orifice S it is possible to decrement the upper value In order to configure the connection CONN simply insert the magnet tool in orifice S as soon as CONN is shown on the display An arrow pointing upward u u u u increment the value and an arrow pointing downward v v v v decrement the value The number over CONN mnemonic is the value corresponding of the table xx See it to do the correct choice o...

Page 32: ...TT302 Fieldbus Temperature Transmitter 3 14 ...

Page 33: ...k and spurs Check spacing between couplers Network Configuration Make sure the device tag is configured if system configuration is desidered Make sure that device address connection and index for all variables are configured correctly if pre configuration is used NO COMMUNICATION Electronic Circuit Failure Check the main board for defect by replacing it with a spare one Transmitter Connections Che...

Page 34: ...display and the main circuit board Gently pull out the display and then the main board 5 To remove the input board 7 first unscrew the two screws 6 that anchors it to the housing 9 gently pull out the board WARNING The boards have CMOS components which may be damaged by electrostatic discharges Observe correct procedures for handling CMOS components It is also recommended to store the circuit boar...

Page 35: ...ial 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 Other information concerning the instruments operation such as service and process conditions are also helpful Figure 4 2 Exploded View ACCESSORIES ORDERING CODE DESCRIPTION SD1 Magnetic T...

Page 36: ... TERMINAL INSULATOR 12 304 0123 MAIN INPUT CIRCUIT BOARD ASSEMBLY 5 and 7 304 0155 O RINGS NOTE 3 Cover Buna N 2 204 0122 TERMINAL HOLDING SCREW Housing in Aluminum 14 304 0119 Housing in 316 Stainless Steel 14 204 0119 MAIN BOARD SCREW HOUSING IN ALUMINUM Units with indicator 3 304 0118 Units without indicator 3 304 0117 MAIN BOARD SCREW HOUSING IN 316 STAINLESS STEEL Units with indicator 3 204 0...

Page 37: ...5 parts installed for each set anf for category B 50 2 It includes Terminal holder insulator bolts cover lock grounding and terminal holder insulator and identification plate without certification 3 0 Rings are packaged in packs of 12 units 4 Including U clamp nuts bolts and washers ...

Page 38: ...TT302 Fieldbus Temperature Transmitter 4 6 ...

Page 39: ...reater or equal to 400 Ohm Indication Optional 4 digit numeric and 5 character alphanumeric LCD indicator Hazardous Location Certification Explosion proof weather proof and intrinsically safe CENELEC and FM standards Temperature Limits Operation 40 to 85º C 40 to 185º F Storage 40 to 120º C 40 to 250º F Display 10 to 60º C 14 to 140º F operation 40 to 85º C 40 to 185º F without damage Humidity Lim...

Page 40: ... greater Ohms 0 2000 RTD IEC Pt500 0 03 of reading or 0 2 whichever is greater TC Cold junction compensation rejection 60 1 Reference 25 0 0 3C Vibration Effect Meets SAMA PMC 31 1 Electro Magnetic Interference Effect Designed to comply with IEC 801 Physical Specifications Electrical Connection 1 2 14 NPT Pg 13 5 or M20 x 1 5 metric Material of Construction Injected low copper aluminum with polyes...

Page 41: ...30 0 3 900 to 900 1588 to 1652 30 0 6 K NBS 200 to 1350 328 to 2462 60 0 6 1550 to 1550 2758 to 2822 60 1 2 N NBS 100 to 1300 148 to 2372 50 0 5 1400 to 1400 2488 to 2552 50 1 0 R NBS 0 to 1750 32 to 3182 40 0 4 1750 to 1750 3118 to 3182 40 2 0 S NBS 0 to 1750 32 to 3182 40 0 4 1750 to 1750 3118 to 3182 40 2 0 T NBS 200 to 400 328 to 752 15 0 15 600 to 600 1048 to 1112 15 0 8 L DIN 200 to 900 328 ...

Page 42: ...1 Without Indicator With Digital Indicator CODE Mounting Bracket for 2 Pipe Mounting 0 1 2 Without Bracket Carbon Steel Bracket 316 SST Bracket CODE Electrical Connections 0 A B 1 2 14 NPT M20 x 1 5 Pg 13 5 DIN CODE Options H1 A1 ZZ 316 SST Housing 316 SST Bolts Special Options Specify TT302 1 1 0 H1 A1 ...

Page 43: ...Technical Characteristics 5 5 TT2EM402 CDR ...

Page 44: ...TT302 Fieldbus Temperature Transmitter 5 6 ...

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