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<4. Self-Diagnostics>

4-1

IM 01C50T03-02EN

4. Self-Diagnostics

The temperature transmitter continually monitors

its own performance during normal operation. If an

error occurs, it displays and records the error in the

logging parameters and the output vale that is off

the scale, and with the integral indicator, an alarm

number corresponding to the error is displayed, etc.

4.1 Checking for problems

An alarm occurs when there is a problem with

functions. The alarm can be checked with the

parameter number of each item “A to L, O to P, R

60: SELF CHECK”. In addition, this SELF CHECK

parameter is indicated as a binary value of GOOD

or ERROR. If an ERROR is shown, select the SELF

CHECK parameter, read it, and display the alarm

details.

F0401.ai

PARAM

A50:TERM

24.70 degC

A60:SELF CHECK

ERROR

DATA

DIAG

ESC

SET

A60:SELF CHECK

ERROR

<ERROR>

ESC

Before reading:

Only the error occurrence

can be seen.

After reading:

The error details can be

seen.

Also, the alarm number and alarm abbreviation

are displayed if the transmitter is equipped with the

integral indicator. If burnt out, a bar graph is also

displayed.

F0402.ai

NOTE

The bar graph, that is shown when the integral

indicator alarm is being displayed, is also

displayed if “J40: BAR GRAPH” is set to OFF.

See Table 4.1 below for the descriptions of each

error message, the display of integral indicator, and

corresponding countermeasures.

Содержание YTA710

Страница 1: ...User s Manual YTA710 Temperature Transmitter BRAIN Protocol IM 01C50T03 02EN IM 01C50T03 02EN 1st Edition...

Страница 2: ...g 3 6 3 2 4 Unit 3 7 3 2 5 Range Setting 3 7 3 2 6 Damping time constant 3 8 3 2 7 Device information tag number and memory writing 3 9 3 2 8 Test Output 3 9 3 2 9 Burnout Function 3 10 3 2 10 Integra...

Страница 3: ...on Yokogawa makes no warranty of any kind with regard to this manual including but not limited to implied warranty of merchantability and fitness for a particular purpose If any question arises or err...

Страница 4: ...uld be disposed of in accordance with local and national legislation regulations f Authorized Representative in EEA In relation to the CE Marking The authorized representative for this product in the...

Страница 5: ...1 Introduction 1 3 IM 01C50T03 02EN ATEX Documentation This procedure is only applicable to the countries in European Union GB DK I E NL SF P F D S LT LV PL EST SLO H BG RO M CZ SK GR...

Страница 6: ...ve is a communication signal superimposing it on the normal signal will from basic principles cause no error in the DC component of the analog signal Thus monitoring can be performed via the BT200 whi...

Страница 7: ...e transmitter immediately after setup on the BT200 If the transmitter is turned off in less than 30 seconds after parameters have been set the current parameter settings will not be stored in the tran...

Страница 8: ...2 MASK 3 K58 OUT MNL MASK K60 SELF CHECK J10 D INFO PARM J11 D INFO UNIT J12 D INFO STYPE J13 D INFO SWIRE J20 DISP1 VRBL J21 DISP1 POINT J22 DISP2 VRBL J23 DISP2 POINT J30 DISPLAY J31 POINT J32 mA DI...

Страница 9: ...e time to smooth the output with rapid changes in input The damping time constant of the process variable can be set from 1 to 100 seconds Device Information Tag number writing in note 3 2 7 Not only...

Страница 10: ...tage TC mV Resistance thermometer RTD and resistance 2 wire type Resistance thermometer RTD and resistance 3 wire type Group A Group B Group B Group B Group A Group A Group A Group B Group B Group B 1...

Страница 11: ...istance temperature detector B Pt200 IEC60751 Resistance temperature detector B Pt500 IEC60751 Resistance temperature detector B Pt1000 IEC60751 Resistance temperature detector B JPt100 JIS Resistance...

Страница 12: ...rminal Terminal block temperature Sensor2 Sensor2 value Sensor2 Terminal Temperature difference between Sensor2 and terminal block Sensor2 must be a temperature sensor Sensor1 Sensor2 Difference betwe...

Страница 13: ...t used for PV display is the unit that has been set by B11 PV UNIT It is not affected by the unit of D13 SENSOR1 UNIT 3 2 5 Range Setting The range setting refers to assigning an output range of 4 to...

Страница 14: ...y twice 3 The value set as LRV is displayed Confirm it and press OK 4 Similarly set the URV using F13 AUTO URV NOTE With E12 and E13 after execution by selecting EXEC the system returns to the NO EXEC...

Страница 15: ...If input variation amount is above the preset value Variation amount Variation amount Figure 3 4 Example of damping operation 3 2 7 Device information tag number and memory writing Parameter Format Re...

Страница 16: ...ue is broken or if it has become disconnected from the terminal you can set the output state The following shows the setting parameters related to the sensor burnout Parameter Settings Remarks E40 BUR...

Страница 17: ...elect from ON or OFF Disp mA J32 mA DISPLAY Select from ON or OFF 2 Selecting the decimal point position You can specify the position of the decimal point the number of digits displayed after the deci...

Страница 18: ...s the data set in the temperature transmitter The Write Protect function can be set in one of the following three ways 1 Slide switch of MAIN assembly When the slide switch is set to the ON position p...

Страница 19: ...s been set by G41 WRT ENABLE parameter is written This set password is only displayed on the confirmation screen immediately after it is set After that the eight blank characters are always displayed...

Страница 20: ...tection function is canceled by using the Joker password it can be identified by the Software Seal function You can check the Software Seal state by reading the following parameter Parameter Value Des...

Страница 21: ...minutes See Figure 3 5 For Sensor2 adjustment check wiring methods b and c of Section 5 4 Connecting Cables and Terminals of IM 01C50G01 01EN 2 Apply the input that corresponds to the zero adjustment...

Страница 22: ...the temperature transmitter generates an AL 24 Backup Sns2 Fail alarm and outputs the sensor burnout 1 Setting the sensor backup function 1 Set the sensor type and number of wire connections of Sensor...

Страница 23: ...eter Setting value Remarks G21 RETURN S1 EXEC After execution the system returns to the NO EXEC state automatically 3 2 15 Sensor Matching Function This function is only available when optional specif...

Страница 24: ...LTA D45 S2 DELTA E0 100 1 49979 E0 1 50700 E0 D26 S1 BETA D46 S2 BETA E 1 10 1 1 08634 E 1 1 00000 E 1 IMPORTANT When entering R0 A B C in the YTA the following restrictions apply A B and C must be no...

Страница 25: ...in degrees of centigrade C K Set the cold junction compensation temperature in Kelvin K degF Set the cold junction compensation temperature in degrees of Fahrenheit F degR Set the cold junction compe...

Страница 26: ...ndicated as a binary value of GOOD or ERROR If an ERROR is shown select the SELF CHECK parameter read it and display the alarm details F0401 ai PARAM A50 TERM 24 70 degC A60 SELF CHECK ERROR DATA DIAG...

Страница 27: ...s occurred or normal data wiring has failed AL 08 Temp NV Warning CRC mismatching of TEMP ASSY non volatile memory has occurred or Write Read Verify mismatching has occurred System can start up but ma...

Страница 28: ...The measurement temperature of Sensor2 is too low Normal operation AL 43 S2 Temp High The measurement temperature of Sensor2 is too high Normal operation AL 44 Amb Temp Low The ambient temperature is...

Страница 29: ...t sensor backup refer to Section 3 2 14 Sensor Backup Function IMPORTANT If S1 Failure S2 Failure S1 Short S2 Short Term Sensor Fail Backup S1 Fail and Backup S2 Fail are masked the sensor burnout due...

Страница 30: ...rmation at this time When the following parameters are read the log data is displayed Parameter Description P20 ALARM LOG1 Alarm data of LOG1 P21 LOG TIME1 Record time of LOG1 P22 ALARM LOG2 Alarm dat...

Страница 31: ...ues of Sensor1 and Sensor2 for the 2 input model only If cleared the subsequent maximum and minimum values start to be updated immediately Use the following parameters to clear these values Parameter...

Страница 32: ...l only NOTE In order to output the S1 or S2 Short alarm K12 S1 SHRT MASK and K13 S2 SHRT MASK must be set to NO MASK The alarm is masked by default 5 RTD or ohm short circuit for 3 wire 4 wire type on...

Страница 33: ...pper temperature threshold L45 T CY UP VAL and that exceeds the lower temperature threshold L44 T CY LO VAL or when the value exceeds the upper temperature threshold after exceeding the lower temperat...

Страница 34: ...0 0 0 L12 S1 RC2 Resistance between terminal and sensor cable being connected to Terminal 2 0 0 L13 S1 RC3 Resistance between terminal and sensor cable being connected to Terminal 3 0 0 L14 S1 RC4 Re...

Страница 35: ...rature R Unit specified in B51 A60 SELF CHECK Self diagnosis R See Table 4 1 B SET VAR CON Process variable setting of process variables B10 PV is PV mapping RW See Table 3 2 Sensor1 B11 PV UNIT PV un...

Страница 36: ...ping RW 0 to 100 sec 2 sec D40 1 2 S2 R0 Setting of sensor matching reference resistance RW The unit is ohms 100 00 ohms D41 1 2 S2 A IEC Primary coefficient setting of sensor matching IEC standard RW...

Страница 37: ...Various mode setting G10 CJC SELECT CJC mode setting RW Internal CJC Constant CJC Internal CJC G11 CNST CJC UNT CJC unit RW degC K degC G12 CNST CJC TMP CJC temperature setting RW 40 to 85 degC 0 0 d...

Страница 38: ...AL NO Sensor1 serial number RW Sixteen alphanumeric characters Sixteen blank characters I20 1 S2 2W RESIST Resistance for Sensor2 RTD 2 wire correction Cable resistance RW 0 000 ohms I21 1 SENSOR2 Sen...

Страница 39: ...DISP1 Decimal point position setting RW 0 1 2 3 1 J22 DISP2 VRBL DISP2 display Process variable selection RW PV SV TV QV Not used Not used J23 DISP2 POINT DISP2 Decimal point position setting RW 0 1 2...

Страница 40: ...T LO MASK Mask setting for S1 Temp Low alarm RW NO MASK MASK NO MASK K41 S1 T HI MASK Mask setting for S1 Temp High alarm RW NO MASK MASK NO MASK K42 1 S2 T LO MASK Mask setting for S2 Temp Low alarm...

Страница 41: ...0000 ohms L30 1 DRFT TH UNIT Threshold unit selection for temperature sensor drift diagnosis RW degC K degF degR degC L31 1 DRFT THLD Threshold for temperature sensor drift diagnosis RW 0 to 2500 0 0...

Страница 42: ...LOG TIME3 Occurrence time of alarm history 3 R Sixteen blank characters P26 ALARM LOG4 Alarm history 4 R Same as the alarm P27 LOG TIME4 Occurrence time of alarm history 4 R Sixteen blank characters...

Страница 43: ...tter in order to record the setting data to the non volatile memory of BT200 This operation is called uploading For BT200 operations during uploading see Section 5 1 Collective Setup of Data of Manual...

Страница 44: ...i IM 01C50T03 02EN Revision Information Title YTA710 Temperature Transmitter Functions BRAIN Protocol Manual No IM 01C50T03 02EN Edition Date Page Revised Item 1st Mar 2018 New Publication...

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