Toc-1 YTA610 and YTA710 Temperature Transmitters (HART Protocol) IM 01C50T01-02EN 4th Edition CONTENTS Introduction ....................1-1 ■ Regarding This Manual ....................1-1 ■ For Safe Use of Product ....................1-2 ■ Warranty ........................1-2 Matching of DD and Instruments ..............1-3 Connection ....................
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Toc-2 3.5.11 Sensor Matching Function ............... 3-21 3.5.12 CJC Selection .................. 3-23 3.5.13 TC User Table .................. 3-23 3.5.14 Simulation ..................3-23 3.5.15 Squawk .................... 3-24 3.5.16 Output Fluctuation Suppression ............3-24 Diagnostics ....................4-1 Self-Diagnostics ....................4-1 4.1.1 Checking for Problems ..............4-1 4.1.2 Status Information ................4-1 Logging Functions .................... 4-4 Diagnostics Function ..................
To ensure correct and efficient use of the instrument, please read this manual thoroughly Indicates a potentially hazardous situation which, and fully understand how to operate the instrument if not avoided, could result in death or serious before operating it. injury. This manual describes that communication function of YTA series conforms to HART protocol and offers instruction for setting parameters for CAUTION YTA Temperature Transmitters. In regards to the installation, wiring and maintenance of the YTA Indicates a potentially hazardous situation which, series Temperature Transmitter, please refer to if not avoided, may result in minor or moderate the Instruction Manual “YTA610 and YTA710 injury. It may also be used to alert against unsafe Temperature Transmitters Hardware Manual practices. IM 01C50G01-01EN.” IMPORTANT ■ Regarding This Manual Indicates that operating the hardware or software • This manual should be passed on to the end in this manner may damage it or lead to system user. failure. • The contents of this manual are subject to change without prior notice. • All rights reserved. No part of this manual may NOTE be reproduced in any form without Yokogawa’s written permission.
<1. Introduction> ■ For Safe Use of Product (f) Authorized Representative in EEA In relation to the CE Marking, The authorized For the protection and safety of the operator representative for this product in the EEA and the instrument or the system including the (European Economic Area) is: instrument, please be sure to follow the instructions Yokogawa Europe B.V. on safety described in this manual when handling Euroweg 2, 3825 HD Amersfoort,The this instrument. In case the instrument is handled in Netherlands contradiction to these instructions, Yokogawa does not guarantee safety. Please give your attention to ■ Warranty the followings. • The warranty shall cover the period noted on (a) Installation the quotation presented to the purchaser at the • The instrument must be installed by an expert time of purchase. Problems occurred during the engineer or a skilled personnel. The procedures warranty period shall basically be repaired free described about INSTALLATION are not of charge.
<1. Introduction> Matching of DD and Instruments Before using a HART configuration tool, confirm that the DD for the instrument is installed in the configuration tool. Device type: Device Revision: DD Revision: The device revision of the transmitter and DD can be confirmed as shown below. If the correct DD is not installed in the configuration tool, download it from the official web site of FieldComm Group. (1) Confirmation of device revision for the transmitter • Confirmation on integral indicator (A case of integral indicator code D is specified) Refer to the section 2.1 • Confirmation by using HART configuration tool a) Connect the configuration tool to the transmitter. b) Confirm numerical number displayed on “Fld dev rev” column.
<2. Connection> Connection Integral Indicator Display Control room When Powering On Relaying Terminal Distributor terminals board For models with the integral indicator code “D”, the display shows all segments in the LCD and then changes to the displays shown below sequentially. FieldMate Modem PC/FieldMate HART configuration tool All segments display Device revision F0202.ai ↓ ↓ Figure 2.1 Connecting the HART Configuration Tool Power Supply Voltage and Load Resistance Model name...
<3. Parameter Setting > Parameter Setting IMPORTANT Do not turn off the power to the transmitter immediately after transfer of the data from HART Communicator. If the transmitter is turned off in less than 30 seconds after parameters has been set, the setting data will not be stored and the transmitter will return to the previous settings. NOTE Parameters and functions in regards to Sensor2 are offered only for double sensor inputs specification. Menu Tree The structure of menu tree varies according to configuration tool based on DD or DTM. Root Menu • Device root menu Device setup Device setup See page 3-2 Process variable • Diagnostics root menu Diag/Service See page 3-3 to 3-5 Diag/Service (M): Method...
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<3. Parameter Setting > Sensor1 Value Sensor1 Sns1 Value Process variables Sns1 Unit PV % rnge Sns1 PDQ Sns1 LS S1-T Value Loop current S1-T Unit Sensor1-Terminal S1-T PDQ S1-T LS Term Value Term Unit Terminal Term PDQ Term LS Sns2 Value Sns2 Unit Sensor2...
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<3. Parameter Setting > Device Status Current Dev Status Device status Diag/Service Ext Dev Sts Status group 0 Mask Dev Diag Sts 0 Status group 1 Mask Dev Diag Sts 1 Status group 2 Mask Status group 0 Status group 3 Mask Device Status Mask Status group 1 Status group 4 Mask...
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<3. Parameter Setting > Device status Map Diag/Service PV Out of Limits Non-PV Out of Limits AO Saturated Condensed Status Device Status AO Fixed Maintenance required More Sts Available Device variable alert Cold Start Failure Ext dev Sts Map Config Changed Out of Specification Device Malfunction Function Check...
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<3. Parameter Setting > Status Log Status Log0 Log Time n Diag/Service Status Log1 Primary Dev Sts n Status Log2 Secondary Dev Sts n Status Log3 Ext Dev Sts n Status Log4 Dev Diag Sts 0 n Status Log5 Dev Diag Sts 1 n Status Log6 Status group 0 n Status Log7...
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<3. Parameter Setting > Sensor Basic Setup Sensor1 Basic Setup Sensor1 Value Sns1 Value Basic setup Sensor1 Probe Setup set Sns1 Probe (M) Sns1 Probe Type Sns1 Wire Sns1 2wire Resist set Sns1 Matching (M) Sns1 CVD R0 Sns1 CVD A Sns1 CVD B Sns1 CVD C Sns1 CVD Alpha...
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<3. Parameter Setting > Sensor Setup Sensor1 Setup Sensor1 Basic Setup Detailed setup See page 3-6 Sensor1 Basic Setup Sensor1 Range Sns1 LSL Sns1 USL Sns1 Min Span Sns1 PDQ Sensor1 Status Sns1 LS Sns1 Family Status Sns1 Family Status 0 Sensor2 Setup See page 3-6 Sensor2 Sensor2 Basic Setup...
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<3. Parameter Setting > Device Information Review Long tag Sns1 Probe Type Descriptor Sns1 Wire Message Sns1 2wire Resist Date Sns1 CVD R0 Final asmbly num Sns1 CVD A Sensor1 Setting Distributor Sns1 CVD B Model Sns1 CVD C Dev id Sns1 CVD Alpha Sns1 CVD Delta Sns1 CVD Beta...
3-10 <3. Parameter Setting > Parameter Description • Write Protect (→ 3.5.5) To enable / disable write protection of The followings outline the functions of the HART parameters. parameters for YTA. • Sensor trim (→ 3.5.6) • Review (→ 3.3) The trim adjustment function allows the user Before starting operation, review all the to add a compensation to the factory set configuration of the transmitter to confirm that it characterization curve to more closely match meets the current application. the input signal. • Sensor Configuration (→ 3.4.1) • Analog Output trim (→ 3.5.7) When changing the sensor type from the Adjust the output value.
3-11 <3. Parameter Setting > Review Before starting operation, review all the configuration of the transmitter to confirm that it meets the current application. Select Device Set up → Review. Parameters are grouped by type and listed in review display of each group. Call up each review display, and scroll through the list to check each variable. If a change is necessary, refer to the “3.4 Basic Setup” and “3.5 Detailed Setup” in this manual. 1-input model 2-input model Thermocouple and DC voltage (TC & mV) Thermocouple and DC voltage (TC & mV) Sensor1 Group A Group A Sensor1 (–) (–) Sensor2 Group A Resistance thermometer (RTD) and resistance (2-wire type) Resistance thermometer (RTD) and resistance (2-wire type) (A1)
3-12 <3. Parameter Setting > Basic Setup 3.4.2 Process Variable Mapping Process variable can be assigned as primary 3.4.1 Sensor Configuration (PV), secondary (SV), tertiary (TV) or fourth (QV) variable and can be monitored on Integral indicator When changing sensor type, it is necessary to or Handheld terminal. The primary variable (PV) change the parameters related to the sensor type. is output as a 4 to 20mA analog signal, and thus Figure 3.1 shows the wire connections to the it is necessary to map the variable as PV. Other input terminals of the transmitter and sensor type variable can be left as “Terminal” when they are not selections for the parameters in each connection required. Configuration of Sensor 1 (and Sensor 2) case. Note that TCs and mV are categorized as must be done before changing the process variable Group A and RTDs and ohm are as Group B. mapping. (See 3.4.1) Check the connections between the input terminals and temperature sensors and set the correct sensor Call up the “Device Variables” display and carry out the process variable mapping to PV, SV, TV, and type and the number of wire connections for the parameters. • Procedure to call up the display The setting method is as described below. Device setup → Process variables → Dynamic (1) Selecting the sensor type/Setting the Variables → PV (SV, TV or QV) → PV (SV, TV...
3-13 <3. Parameter Setting > 3.4.4 PV Range NOTE The range for PV corresponding to the 4 to 20mA • When “Sensor1-Sensor2”, “Sensor2- output signal is set at the factory before shipment. Sensor1”, “Average”, “Sensor1-Terminal”, or Followings are the procedures to change the range. “Sensor2-Terminal” is selected, the sensor (1) Changing the range with Keypad – LRV, types to be set for Sensor1 and Sensor2 URV – should be selected from any one of the Setting LRV and URV following three groups; Temperature sensor • Procedure to call up the display (T/C and RTD), DC voltage or resistance. Device setup → Basic setup → PV Basic The combination (for example, temperature Setup → PV Re-range → Range values sensor and DC voltage input) would cause Set the LRV and URV. an incorrect computation due to the different unit system and is not allowed. NOTE •...
3-14 <3. Parameter Setting > Detailed Setup • Procedure to call up the display Device setup → Basic setup → Sensor Basic Setup 3.5.1 Device Information → Sensor1(2) Basic Setup → Sensor1(2) Following device information can be set by below Others → Sns1(2) Damp procedures. → Term Basic Setup → Term Damp • Procedure to call up the display Set the damping time constant. Device setup → Detailed setup → Device (2) Setting the analog output damping information Set the device information. Damping time constant of analog output can be set. → Tag: Up to 8 characters • Procedure to call up the display → Long Tag: Up to 32 characters Device setup → Basic setup → AO Basic Setup → Descriptor: Up to 16 characters → AO Damping → Message: Up to 32 characters Set the damping time constant.
3-15 <3. Parameter Setting > (2) Auto Release Time (2) Burnout in hardware failure This parameter can be used to set the auto release The output status of the transmitter in hardware time of Loop Test and Simulation (See 3.5.14). failure is set using a slide switch on the MAIN • Procedure to call up the display assembly. The current setting can be checked in Device setup → Diag/Service → Test Device → parameter “PV Alrm type”. Auto Release Time • Procedure to call up the “AO Alrm type Select from 10 minutes, 30 minutes, 60 parameter” display minutes, 3 hours, 6 hours or 12 hours. Device setup → Basic setup → AO Basic Setup Default setting is 10 minutes. → AO Alrm typ Hi: More than 110% output (21.6 mA) NOTE Lo: Less than -5% output (3.2 mA) 3.5.4 Integral Indicator Display Mode If the transmitter is equipped with the integral indicator, the LCD displays F.O.
→ s et New Password: Set the new password or change the password. (5) Display Information (2) Software seal Following information is displayed on lower level of the display. When the joker password has been used to • Procedure to call up the display release write protection, this parameter displays Device setup → Detailed setup → Display “Break,” and when protection is cancelled using the Setup → Disp Info Select password set using “set New Password”, it returns Process variable name: Parameter to “Keep.” Process variable unit: Unit Status of process variable: Status NOTE Sensor type: Sensor Type If you should forget your password, the joker Number of wiring: Sensor Wire password can be used to temporarily release write protection function. To obtain the joker password, please contact your nearest YOKOGAWA sales office. (3) Hardware write protect See IM 01C50G01-01EN, section 3.2 “Hardware Error Burnoat and Hardware Write Protect Switch.” IM 01C50T01-02EN...
3-17 <3. Parameter Setting > 3.5.6 Sensor Trim b) Apply lower input to Sensor1. c) Procedure to call up the display Each YTA transmitter is factory-characterized Device setup → Diag/Service → Calibration based on the standard sensor curve, and uses → Sensor trim → Sensor1 Trim → set this information to produce a process variable Sensor1 Trim output. The sensor trim function is used to make d) Select the sensor (Sensor1) to be trimmed. an adjustment to the internal interpretation of the e) Select the Lower trim only or the Lower & Upper input signal and the factory characterization in Trim. the transmitter. (See Figure 3.4) Since the factory f) Sensor1 temperature is displayed. If the value characterization is kept even after applying the is OK, press OK. If the display value is different trim operation, it is possible to recover factory from the expected value, enter the expected characterization. value. Upper trim Example: In case of the temperature of the Sensor1 indicates the 1°C and expected Lower trim Lower trim temperature is 0°C, enter 0°C. g) Next carry out the Upper trim. Apply Upper input to Sensor1.
3-18 <3. Parameter Setting > 3.5.8 Sensor Backup (For dual input type CAUTION only) The sensor backup function sets the transmitter There is a time lag between sensor failure and to automatically use Sensor2 as output if Sensor1 sensor abnormality detection. fails. When the sensor backup mode is activated, Since the failed measurement value is output, map Sensor backup as PV. If sensor1 fails, the the current output also becomes undefined. transmitter starts Sensor Backup operation and For this reason, until failure of Sensor1 switches Sensor2 is output in place of Sensor1 to PV. to Sensor2, or “Output state at sensor burnout” Alarm message “Backup Sns1 Fail” is sent to the due to failure of Sensor2 The output becomes integral indicator and HART communicator. In undefined until switching to the output. backup operation, even if the Sensor1 recovers, When an abnormality is detected, it is output the transmitter will continue to use Sensor2 until the according to the measured value of Sensor2 or backup operation is reset by parameter or power is “Output state at sensor burnout”. turned off. If Sensor2 fails during backup operation, the transmitter will send “Backup Sns2 Fail” to the 3.5.9 Burst Mode integral indicator and HART communicator and output the “Sensor burnout” value.
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3-19 <3. Parameter Setting > Table 3.2 Burst Parameters Command Burst Msg Trigger Burst Trigger Burst Command Burst Trigger Units Parameter Mode Source Cmd1: PV Continuous ─ Window Depend on the assigned variable Rising to PV Falling On-change Loop Current and Cmd2: % range/current Continuous ─ Percent Range Window % range Rising Falling...
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3-20 <3. Parameter Setting > d) Burst Msg Trigger Mode (3-1) Set Event Notification Set the Burst Msg Trigger Mode from the Setting parameter for event notification is listed parameters shown below. When Burst Msg below. Set these parameters according to the Trigger Mode is window, Rising or Falling, set method. the Burst Trigger Level. • Device status that detects event (Event Mask) • Transmission interval Display Contents Item Event Notification Retry Time Continuous Burst Message is transmitted continuously. Max Update Time (In case of no event) Window In “Window” mode, the Trigger Value must Event Debounce Interval be a positive number and is the symmetric • Procedure to call up the display window around the last communicated Detailed setup → Burst Setup → Event Setup value. → set Event Rising In “Rising” mode, the Burst Message must be published when the source value Set above parameters according to the method.
3-21 <3. Parameter Setting > 3.5.10 Multidrop Mode (4) Communication when set in multidrop mode “Multidropping” transmitters refer to the connection • The HART configuration tool searches for a of several transmitters to a single communication transmitter that is set in multidrop mode when transmission line. Up to 63 transmitters can be it is turned on. When the HART configuration connected when set in the multidrop mode. To tool is connected to the transmitter, the polling activate multidrop communication, the transmitter address and the tag will be displayed. address must be changed to a number from 1 to 63. • Select the desired transmitter. After that, normal If it sets to multidrop mode, in order to transmit all communication to the selected transmitter is the data in digital one, it is necessary to change a possible. However, the communication speed setup of the analog output signal of 4 to 20 mA. will be slow. Setting of Multidrop Mode (5) Release the multidrop mode (1) Polling address To release multidrop mode, call up the Poll addr • Procedure to call up the display...
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3-22 <3. Parameter Setting > The following relation exists between the resistance Decimal Item Exponent Example Initial setting (Rt) of a RTD sensor and the temperature (t) at that point +100.05 +100 time. E-3 (10 +3.908 E-3 +3.9083 E-3 Rt=R0{1+α(1+0.01δ)t - αδ/10 - αβ/10 (t -100)t E-7 (10 -5.802 E-7 -5.7749 E-7 where: Rt=Resistance (ohms) at Temperature t (°C) E-12 (10 ) -0 E-12 -4.183 E-12 R0=Sensor -specific constant (Resistance at t=0°C) α E-3 (10 +3.850 E-3 +3.8505 E-3 α (alpha)=Sensor-specific constant δ...
3-23 <3. Parameter Setting > 3.5.12 CJC Selection Electro. No. Temp. For thermocouple input, the terminal temperature force measured by an internal sensor is used for Cold Junction Compensation function. In YTA, constant value set by users can be used for the compensation function in place of the measured Electromotive force terminal temperature. a) Procedure to call up the parameter “CJC” Note: Interpolating between valid points Device setup → Basic setup → Sensor Basic in the quadratic equation. F0308.ai Setup → CJC Setup → set CJC Type Figure 3.6 TC user’s table Set the CJC type and set the CJC function by following the message shown.
3-24 <3. Parameter Setting > 3.5.15 Squawk Table 3.3 Time constant and Fluctuation rate Time constant Single input Dual input This feature can be used to identify the (1 s later) (1.6 s later) communicating transmitter by remotely causing 55.6% 69.1% LCD to display the particular pattern as shown in 36.0% 49.0% the Figure 3.7. 26.5% 37.7% • Procedure to call up the Squawk display 21.0% 30.6% Device setup → Diag/Sercice → Test Device →...
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3-25 <3. Parameter Setting > • Setting example of time constant (AO damping) Input: Single input High alarm level: 90% Low alarm level: 10% Upper control level: 80% Lower control level: 20% Upper Permissible fluctuation rate = ( High alarm level - Upper control level) / (PV% upper limit - Upper control level) = (90 - 80) / (110 - 80) = 33.3 (%) Lower Permissible fluctuation rate = ( Lower control level - Low alarm level) / (Lower control level - PV% lower limit) = (20 - 10) / (20 - (-2.5)) = 44.4 (%) Permissible fluctuation rate = m in (Upper permissible fluctuation rate, Lower permissible fluctuation rate) = min (33.3, 44.4) = 33.3 (%) See Table 3.3 and set the time constant to 3 seconds or more to satisfy the fluctuation rate <33.3 (%). NOTE It is recommended to set the sensor damping (Sns1 Damp, Sns2 Damp, Term Damp) to 0 seconds. If enabled, duplicate dumping function works.
<4. Diagnostics > Diagnostics Self-Diagnostics 4.1.2 Status Information The YTA monitors its own performance during (1) Device Status operation. Upon detecting any abnormality, the YTA Device status indicates the current operating status displays and records the abnormality in parameters, of the device. outputs out-of-range values, and in the case of a Table 4.5 indicates the relation between alarm and type with an integral indicator, it displays an alarm device status. number corresponding to the abnormality. • Procedure to call up the display 4.1.1 Checking for Problems Device setup → Diag/Service → Device Status → Current Dev Status → Device Status (1) Identifying Problems with the HART Device status can be masked individually. Table4.6 Communicator indicates the mask available and the initial setting of the mask.
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<4. Diagnostics > • Procedure to call up the display Device setup → Process variables → Dynamic Variable → PV → PDQ: PV data quality → LS: PV limit status Device setup → Process variables → Device Variables → Sensor1 → Sns1 PDQ: Sensor1 data quality → Sns1 LS: Sensor1 limit status Above procedure is the same about other variables. Table 4.1 List of Alarms Output operation during Indicator HART display Cause Action alarm AL.00 CPU Fail Main CPU failed. According to the Burnout in Replace the amplifier. Hardware failure output Communication disabled AL.01 Sensor NV Fail Sensor non-volatile memory According to the Burnout in verifies alarm.
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<4. Diagnostics > Output operation during Indicator HART display Cause Action alarm AL.25 Sensor Drift Sensor drift Continue to operate and Check sensor for output damage. AL.26 Sensor1 Temp Cycle Temperature cycling times Reset temp cycle of of Sensor1 exceeds the sensor1. threshold AL.27 Sensor2 Temp Cycle Temperature cycling times Reset temp cycle of of Sensor2 exceeds the sensor2. threshold. AL.30 Output Too Low PV value is below the range Lower limit 3.68mA (-2%) Check the LRV limit setting.
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<4. Diagnostics > (4) TC Short (only for YTA710) (6) RTD Corrosion (only for 3-wire and 4-wire, only for YTA710) This function detects any short circuit at TC sensors. When the current is applied and the This function detects any corrosion at the terminals resistance of a sensor is (S1 RP23, S2 RP43 and along the measurement cables. When the in Sensor Diagnostics Information) below the resistance of the terminals and cables (S1 RC1 TO threshold, the function outputs the Short alarm. S1 RC4, S2 RC3, S2 RC4 in sensor diagnostics Parameter setting: Set the thresholds at “S1 TC information.) is above the threshold, the function Short Thrshld” and “S2 TC Short Thrshld” (for outputs a corrosion alarm (AL.14 and AL.15). the 2-input specification). Parameter setting: Alarm output: When the resistance is below Device Setup → Diag/Service → Diagnostics the threshold, the function outputs the alarm → Sensor Diag → Sensor1(2) Diag setting → of Sensor1 short (AL.12) or Sensor2 short S1(S2) RTD Corr Thrshld, (AL.13).
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<4. Diagnostics > (8) Temperature Cycle Diagnostics (only for NOTE YTA710) This function displays the number of temperature Release the Device Status mask in order to fluctuations that may cause failure of the sensor. output the Sensor 1(2) Temp Cycle alarm. (Initial The function is enabled only when Sensor type is value is set in the mask) set to TC or RTD, and indicates how many times the temperature alternately hits (or crosses) the (9) Sensor Diagnostics Information upper and lower limits. When the number of times Information obtained by the sensor diagnostics are exceeds the threshold, an alarm will be issued. displayed in the parameters below. You can take When the threshold is set to 0 the function is not advantage of the preventive maintenance of the enabled. sensor by obtaining this information periodically. • Procedure to call up the display Device setup → Diag/Service → Diagnostics → Temp Cycle Diag Temp Cycle Val Unit: The unit of temperature Temp Cycle Upr Val: Upper limit (initial setting: 2000ºC) Temp Cycle Lwr Val: Lower limit (initial setting: −273ºC) Temp Cy Alm thrsld: Threshold for outputting the alarm rst Temp Cycle Cnt: Reset the number of cycles...
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<4. Diagnostics > Table 4.5 Relation between Alarm and (Extended) Device Status Extended Standardized Name Description Field Device Status Device Status0 Status Extended Device Status Maintenance Required Device Variable Alert Failure Out of Specification Function Check Standardized Status0 Simulation Active NV memory failure RAM error Watchdog Reset Env Cnd Out of Range Electronic failure Device Config Locked Standardized StatuSensor1 Status Sim Active Event Overflow Device Specific Status 0 CPU Fail Sensor NV Fail Temp NV Fail AD Converter Fail...
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<4. Diagnostics > Extended Standardized Name Description Field Device Status Device Status0 Status Device Specific Status 5 LRV Too Low LRV Too High URV Too Low URV Too High Span Too Small Device Specific Status 14 Illegal PV Cfg Illegal Sensor1 Cfg Illegal Sensor2 Cfg Device Specific Status 15 Output Manual Mode *1: Applicable only for YTA710. Table 4.6 NE-107 Condensed Status and Status Mask Name Description NAMUR-107 Mask Available Initial Setting Field Device Status PV Out of Limits No mask...
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<4. Diagnostics > Name Description NAMUR-107 Mask Available Initial Setting Device Specific Status 1 Temp NV Warning No mask Int Comm Fail No mask Device Specific Status 2 Sensor1 Failure No mask Sensor2 Failure No mask Sensor1 Short Mask Sensor2 Short Mask Sensor1 Corrosion Mask Sensor2 Corrosion Mask Sensor1 Signal Error No mask ...
<5. Parameters Lists> Parameters Lists RW: read/write R: read only, M: Method Initial Item Parameter Description Write Setting Memory Up to 8 characters Long Tag Up to 32 characters Descriptor Up to 16 characters Message Up to 32 characters Date Process Engineering PV Unit (SV,TV, QV) Process variable unit °C variable Unit Range LRV/URV Specify the calibration range. LRV: 0 URV: 100 Apply values Value for 4 and 20 mA signal is set with actual ─ input applied Damping AO Damping Specify the response time of process variable...
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<5. Parameters Lists> Initial Item Parameter Description Write Setting Sensor2 Sensor2 set Sns2 Probe Specify sensor type and number of wires. Configuration Type and wire Sensor2 Sns2 Probe Type Sensor2 type Pt100 type Sensor2 wire Sns2 Wire Number of Sensor2 wires 3 Wire Sensor2 unit Sns2 Unit °C, K,°F, °R, mV or ohm °C Sensor2 Sns2 Damp Specify the response time of sensor1 input damping within 0 to 100 seconds. Sensor2 set Sns2 Matching This function is available only when optional matching specification /CM1 is specified. Select “Enable”...
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Alarm log Sensor Max/Min Minimum value and maximum value of process variables. Operation Time Transmitter’s operation time Write protect Write protect release WP Mode set New password Adjustment Sensor trim set Sensor1 (2) Trim Adjust sensor input signal. Analog set AO Trim Adjust 4 to 20 mA output. output trim Referential Distributor Yokogawa information Model Devid Device ID Final asmbly num Final assembly number Universal rev HART 7 Fld dev rev Field device revision Software rev Software revision Sns1(2) LSL Lower limit for sensor1(2) Sns1(2) USL Upper limit for sensor1(2) *1: Parameter depends on the process variables mapping.
<Appendix A. Safety Instrumented Systems Installation> Appendix A. Safety Instrumented Systems Installation A.2.3 Setup WARNING Set the ranges and units by the HART configuration toll. After configuration, make sure that the ranges The contents of this appendix are cited from and units are set correctly. The calibration of the exida. com safety manual on the YTA series YTA must be performed after parameters are set. temperature transmitters specifically observed A.2.4 Required Parameter Settings for the safety transmitter purpose. When using the YTA for Safety Instrumented Systems (SIS) The following parameters need to be set in order to application, the instructions and procedures in maintain the designed safety integrity. Table A.2.1 this section must be strictly followed in order to describes the setting of the hardware error burnout preserve the transmitter for that safety level. and hardware write protect switch. Table A.2.2 describes the parameter setting by software. Table A.2.1 Required setting of hardware error Scope and Purpose burnout and hardware write protect switch...
<Appendix A. Safety Instrumented Systems Installation> A.2.5 Proof Testing The following tests need to be specifically executed when a proof test is performed. The results of The objective of proof testing is to detect failures the proof test need to be documented and this within the transmitter that are not detected by the documentation should be part of a plant safety diagnostics of the transmitter. Of main concern management system. Failures that are detected are undetected failures that prevent the safety should be reported to Yokogawa. instrumented function from performing its intended The personnel performing the proof test of the function. See table A.2.3 for proof testing method. transmitter should be trained in SIS operations The frequency of the proof tests (or the proof including bypass procedures, YTA temperature test interval) is to be determined in the reliability transmitter maintenance, and company calculations for the safety instrumented functions management of change procedures. for which the YTA is applied. The actual proof tests must be performed more frequently or as frequently as specified in the calculation in order to maintain required safety integrity of the safety instrumented function. Table A.2.3 Proof Testing Testing method...
Repair and Replacement A.2.10 Lifetime Limits If repair is to be performed with the process online, The expected lifetime of the YTA is 50 years. The the YTA will need to be bypassed during the reliability data listed in the FMEDA report is only repair. The user should setup appropriate bypass valid for this period. The failure rates of the YTA procedures. may increase sometime after this period. Reliability calculations based on the data listed in the FMEDA In the unlikely event that the YTA has a failure, the report for YTA lifetimes beyond 50 years may yield failures that are detected should be reported to results that are too optimistic, i.e. the calculated Yokogawa. Safety Integrity Level will not be achieved. When replacing the YTA, the procedure in the A.2.11 Environmental Limits installation manual should be followed. The environmental limits of the YTA are specified in The personnel performing the repair or replacement the user’s manual IM 01C50G01-01EN. of the YTA should have a sufficient skill level. A.2.12 Application Limits A.2.7 Startup Time The application limits of the YTA are specified The YTA generates a valid signal within 7 seconds in the user’s manual IM 01C50G01-01EN. If the of power-on startup.
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<Appendix A. Safety Instrumented Systems Installation> Verification The demonstration for each phase of the life-cycle that the (output) deliverables of the phase meet the objectives and requirements specified by the inputs to the phase. The verification is usually executed by analysis and / or testing Validation The demonstration that the safety- related system(s) or the combination of safety-related system(s) and external risk reduction facilities meet, in all respects, the Safety Requirements Specification. The validation is usually executed by testing. Safety Assessment The investigation to arrive at a judgment - based on evidence - of the safety achieved by safety-related systems Further definitions of terms used for safety techniques and measures and the description of safety related systems are given in IEC 61508-4. IM 01C50T01-02EN...
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