Emerson 3144P - Manual

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 1-2 Appendix A: Specifications and Reference Data • Specifications • Dimensional drawings • Ordering Information Appendix B: Approvals • Product Certifications • Installation Drawings Safety Instrumented System (SIS) – HART only ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 1-3 Rosemount 3144P Environmental Temperature Effects The transmitter will operate within specifications for ambient temperatures between –40 and 185 °F (–40 and 85 °C). Heat from the process is transferred from the thermowell to the transmitter ...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 1-4 NOTE Each transmitter is marked with a tag indicating the approvals. Install the transmitter in accordance with all applicable installation codes and approval and installation drawings (see Appendix B: Product Certifications)...

Reference Manual 00809-0100-4021, Rev DANovember 2004 Rosemount 3144P www.rosemount.com Section 2 Installation Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-1Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 2-2Mounting ...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 2-4 Table 2-1. Transmitter Switch Locations. Write Protect Switch (HART and F OUNDATION Fieldbus) The transmitter is equipped with a write-protect switch that can be positioned to prevent the accidental or deliberate change of co...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 2-6 INSTALLATION Typical North American Installation 1. Attach the thermowell to the pipe or process container wall. Install and tighten thermowells and sensors. Apply process pressure to perform a leak test. 2. Attach necessary ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 2-7 Rosemount 3144P Typical European Installation 1. Mount the thermowell to the pipe or the process container wall. Install and tighten thermowells and sensors. Apply pressure and perform a leak check before starting the process. 2. Attach a con...

Reference Manual 00809-0100-4021, Rev DANovember 2004 2-9 Rosemount 3144P LCD Display Transmitters ordered with the LCD display option (code M5) are shipped with the LCD display installed. After-market installation of the LCD display on a conventional 3144P transmitter requires a small instrument sc...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 2-10 Multichannel Installation (HART / 4–20 mA only) You can connect several transmitters to a single master power supply (see Figure 2-7). In this case, the system may be grounded only at the negative power supply terminal. In m...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 2-12 Power/Current Loop Connections Use copper wire of a sufficient size to ensure that the voltage across the transmitter power terminals does not go below 12.0 V dc. 1. Connect the current signal leads as shown in Figure 2-10. ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 2-13 Rosemount 3144P F OUNDATION Fieldbus Figure 2-11. Transmitter Terminal Block Figure 2-12. F OUNDATION Fieldbus Field Wiring Diagram Sensor Terminals (1 – 5) Ground Power Terminals 3144P Single-Sensor Connections Diagram 3144P Dual-Sensor Con...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 2-14 Sensor Connections Figure 2-9 on page 2-11 (HART) and Figure 2-12 on page 2-13 (F OUNDATION fieldbus) shows the correct sensor wiring connections to the transmitter sensor terminals. To ensure an adequate sensor connection, ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 2-15 Rosemount 3144P NOTE Do not allow the voltage to drop below 12.0 V dc at the transmitter terminals when changing transmitter configuration parameters, or permanent damage to the transmitter could result. Figure 2-13. Load Limits. F OUNDATION...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 2-16 Shielding Recommendations The following are recommended practices are from API Standard 552 (Transmission Standard) section 20.7 and from field and laboratory testing. If more than one recommendation is given for a sensor ty...

Reference Manual 00809-0100-4021, Rev DANovember 2004 2-17 Rosemount 3144P Option 3 1. Ground the sensor wiring shield at the sensor, if possible. 2. Ensure the sensor wiring and signal wiring shields are electrically isolated form the transmitter housing and other fixtures that may be grounded. 3. ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 Rosemount 3144P www.rosemount.com HART Section 3 HART Commissioning Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3-1Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-2 HART 375 FIELD COMMUNICATOR The Menu Tree and Fast Key sequences use the following device revisions: • Standard 3144P: Device Revision Dev v3, DD v2 • 3144P SIS: Device Revision Dev v2, DD v1 The 375 Field Communicator exchan...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-3 Rosemount 3144P HART Menu Tree Figure 3-1 displays a complete 3144P menu tree for use with the 375 Field Communicator. Options listed in bold type indicate that a selection provides other options. For 3144P SIS Safety Certified transmitter, s...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-4 HART Fast Key Sequences Fast key sequences are listed below for common 3144P transmitter functions. NOTE: The fast key sequences assume that “Device Revision Dev v3, DD v2 is being used. Table 3-1 provides alphabetical functi...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-5 Rosemount 3144P HART AMS One of the key benefits of intelligent devices is the ease of device configuration. When used with AMS, the 3144P is easy to configure and provides instant and accurate alerts and alarms. The main configuration screen...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-6 HART CHECK OUTPUT Before performing other transmitter online operations, review the configuration of the 3144P digital output parameters to ensure that the transmitter is operating properly. Process Variables The 3144P proces...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-12 HART Apply changes made (see “Apply AMS Changes” on page 3-5). Hot Backup Configuration The Config Hot BU command configures the transmitter to automatically use Sensor 2 as the primary sensor if Sensor 1 fails. With Hot Bac...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-13 Rosemount 3144P HART 10. From the Home screen, select 1 Device Setup, 3 Configuration, 3 Dual Sensor Configuration, 4 Configure Hot Backup to prepare to configure the transmitter for Hot Backup. 11. Select yes to enable Hot Backup. 12. Selec...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-17 Rosemount 3144P HART Example: The high alarm value has been set to 20.8 mA. Therefore, the low saturation level, S, must be as follows: 20.5 ≤ S ≤ 20.7 mA. Preset alarms can either be 1 Rosemount or 2 NAMUR-compliant . Use the failure mode s...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-18 HART 2. Choose from Floating Precision or One- , Two- , Three- , or Four-Digit Precision by pressing F4, ENTER . Press F2 to send the information to the transmitter. To change the meter bar graph, perform the following steps...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-19 Rosemount 3144P HART Message The Message variable provides the most specific user-defined means for identifying individual transmitters in multi-transmitter environments. It allows for 32 characters of information and is stored with the othe...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-21 Rosemount 3144P HART Transmitter Behavior with Intermittent Sensor Detect OFF When the Intermittent Sensor Detect feature is switched OFF , the transmitter tracks all process temperature changes, even if they are the consequence of an interm...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-23 Rosemount 3144P HART Loop Test The Loop Test command verifies the output of the transmitter, the integrity of the loop, and the operations of any recorders or similar devices installed in the loop. To initiate a loop test, perform the follow...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-26 HART NOTE Take careful note of the process variable output order. You must configure the HART Tri-Loop to read the variables in the same order. 5. Select OK to return the control loop to automatic control. AMS Right click an...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-27 Rosemount 3144P HART 3. Select temperature units for Channel 1 that match the differential temperature units of the transmitter. 4. Specify a range for the TV such as –100 to 100 °C. If the range is large, then a sensor drift of a few degree...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-28 HART CALIBRATION Calibrating the transmitter increases the precision of your measurement system. The user may use one or more of a number of trim functions when calibrating. To understand the trim functions, it is necessary ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-29 Rosemount 3144P HART Figure 3-6. Trim . Sensor Input Trim The Sensor Trim command allows the user to digitally alter the transmitter’s interpretation of the input signal as shown in Figure 3-6 on page 3-29. The sensor trim command trims, in ...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-30 HART a. Select “No” if a sensor is connected to the transmitter b. Select “Yes” if using a calibration device. By selecting yes, the transmitter will be put into active calibration mode (see “Active Calibrator and EMF Compen...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-31 Rosemount 3144P HART a. Select “No” if a sensor is connected to the transmitter b. Select “Yes” if using a calibration device. By selecting yes, the transmitter will be put into active calibration mode (see “Active Calibrator and EMF Compens...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-33 Rosemount 3144P HART To disable the transmitter-sensor matching feature from the HOME screen select 1 Device Setup , 3 Configuration , 2 Sensor Confi g, 1 Change Type/Conn . Choose the appropriate sensor type from the ENTER SENSOR TYPE promp...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-34 Rosemount 3144P HART 1. From the HOME screen, select 1 Device setup , 2 Diag/Service , 2 Calibration , 2 D/A trim . Set the control loop to manual and select OK . 2. Connect an accurate reference meter to the transmitter at the CONNECT REFER...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-35 Rosemount 3144P HART TROUBLESHOOTING HART / 4–20 mA If a malfunction is suspected despite the absence of a diagnostics message on the 375 Field Communicator display, follow the procedures described in Table 3-1 to verify that transmitter har...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 3-38 HART LCD Display The LCD display displays abbreviated diagnostic messages for troubleshooting the transmitter. To accommodate two-word messages, the display alternates between the first and second word. Some diagnostic messa...

Reference Manual 00809-0100-4021, Rev DANovember 2004 3-41 Rosemount 3144P HART AMS Screens AMS provides advanced diagnostic messages, as well as help screens for the messages. Using the help screens can provide quick reference to remedying the situation. The trouble shooting section for this manual...

Reference Manual 00809-0100-4021, Rev DANovember 2004 Rosemount 3144P www.rosemount.com F OUNDATION Fiel dbus Section 4 F OUNDATION Fieldbus Configuration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1Safety Messages . . . . . . . . . . . . . . . . . ...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 4-2 F OUNDATION Fieldbus GENERAL BLOCK INFORMATION Device Description Before configuring the device, ensure the host has the appropriate Device Description file revision for this device. The device descriptor can be found on www....

Reference Manual 00809-0100-4021, Rev DANovember 2004 4-3 Rosemount 3144P F OUNDATION Fiel dbus NOTE When an upstream block is set to OOS, this will impact the output status of all downstream blocks. The figure below depicts the hierarchy of blocks: Link Active Scheduler The 3144P can be designated ...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 4-4 F OUNDATION Fieldbus Block instantiation is done by the host control system or configuration tool, but not all hosts are required to implement this functionality. Please refer to your specific host or configuration tool manua...

Reference Manual 00809-0100-4021, Rev DANovember 2004 4-5 Rosemount 3144P F OUNDATION Fiel dbus Analog Input Block (index number 1400, 1500, and 1600) The Analog Input Function Block (AI) processes the measurements from the sensor and makes them available to other function blocks. The output value f...

Reference Manual 00809-0100-4021, Rev DANovember 2004 4-7 Rosemount 3144P F OUNDATION Fiel dbus MAX_NOTIFY The MAX_NOTIFY parameter value is the maximum number of alert reports that the resource can have sent without getting a confirmation, corresponding to the amount of buffer space available for a...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 4-10 F OUNDATION Fieldbus Table 4-4. Resource Block SUMMARY_STATUS messages Table 4-5. Resource Block RB.DETAILED_STATUS SENSOR TRANSDUCER BLOCK NOTE When the engineering units of the XD_SCALE in the associated AI Block are selec...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 4-14 F OUNDATION Fieldbus ANALOG INPUT (AI) Simulation Simulate replaces the channel value coming from the Sensor Transducer Block. For testing purposes, it is possible to manually drive the output of the Analog Input Block to a ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 4-17 Rosemount 3144P F OUNDATION Fiel dbus AI2 as Terminal Temperature (body temperature) 1. Put the AI Block into OOS mode. a. Go to MODE_BLK.TARGET b. Choose OOS (0x80) 2. Go to CHANNEL a. Choose Body Temperature 3. Go to L_TYPE a. Choose Direc...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 4-18 F OUNDATION Fieldbus Alarm Priority Alarms are grouped into five levels of priority: Status When a PV is passed from one function block to another, it passes a STATUS along with the PV. The STATUS can be: GOOD, BAD, or UNCER...

Reference Manual 00809-0100-4021, Rev DANovember 2004 4-19 Rosemount 3144P F OUNDATION Fiel dbus Analog Input Diagnostics Table 4-10. AI BLOCK_ERR Conditions. Table 4-11. Troubleshooting the AI block Condition Number Condition Name and Description 0 Other 1 Block Configuration Error: the selected ch...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 4-20 F OUNDATION Fieldbus OPERATION Overview This section contains information on operation and maintenance procedures. METHODS AND MANUAL OPERATION Each F OUNDATION fieldbus host or configuration tool has different ways of displ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 4-23 Rosemount 3144P F OUNDATION Fiel dbus Monitoring Phase The monitoring phase starts after the learning process is complete. The algorithm compares the current values to the baseline values of the mean and standard deviation. During this phase...

Reference Manual 00809-0100-4021, Rev DANovember 2004 4-25 Rosemount 3144P F OUNDATION Fiel dbus TROUBLESHOOTING GUIDES Figure 4-2. 3144P troubleshooting flowchart Device does not appear on segment. Problem Identified? Yes No Perform Recommended Action, see Table 4-12. Check Segment, see “Device doe...

Reference Manual 00809-0100-4021, Rev DANovember 2004 4-27 Rosemount 3144P F OUNDATION Fiel dbus Figure 4-3. Problems with communications flowchart COMMUNICATIONS ESTABLISHED BUT HAVE “BLOCK_ERR” OR AN “ALARM” CONDITION. See “PlantWeb ™ Alerts” on page 4-7 Read the following parameters in the Resour...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 4-28 F OUNDATION Fieldbus F OUNDATION Fieldbus If a malfunction is suspected despite the absence of a diagnostics message, follow the procedures described in Table 4-13 to verify that transmitter hardware and process connections ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 Rosemount 3144P www.rosemount.com Section 5 Maintenance Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-1Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5-2 SAFETY ...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 5-2 MAINTENANCE The 3144P transmitter has no moving parts and require a minimum amount of scheduled maintenance. The transmitter features a modular design for easy maintenance. If a malfunction is suspected, check for an external...

Reference Manual 00809-0100-4021, Rev DANovember 2004 5-3 Rosemount 3144P 3. Loosen the two screws that anchor the electronics module assembly to the transmitter housing. 4. Firmly grasp the screws and assembly and pull it straight out of the housing, taking care not to damage the interconnecting pi...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P www.rosemount.com Certified SIS Section 6 Certified Safety Instrumented System (SIS) 4–20 mA only Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6-1Certification . . . . . . . . . . . . . ....

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 6-2 Certified SIS INSTALLATION No special installation is required in addition to the standard installation practices outlined in this document. Always ensure a proper seal by installing the electronics housing cover(s) so that m...

Reference Manual 00809-0100-4021, Rev DA November 2004 6-3 Rosemount 3144P Certified SIS Security Switch Position the security switch to the “ON” position to prevent accidental or deliberate change of configuration data during normal operation. SIS Additions In addition to the dual sensor configurat...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 6-6 Certified SIS OPERATION AND MAINTENANCE Proof Test The following proof tests are recommended. In the event that an error is found in the safety functionality, proof test results and corrective actions taken must be documented...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P www.rosemount.com Prior Use SIS Section 7 Prior Use (PU) Safety Instrumented System 4–20 mA only Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 7-1Safe Failure Fraction . . . . . . . ....

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P 7-2 Prior Use SIS SAFE FAILURE FRACTION The Safe Failure Fraction calculation for the combination of the 3144P and the process sensor must consider the effects of the transmitter’s process sensor diagnostics. The following is an ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 Rosemount 3144P www.rosemount.com Appendix A Reference Data HART and Foundation Fieldbus Specifications . . . . . . . . page A-1HART / 4–20 mA Specifications . . . . . . . . . . . . . . . . . . . . . page A-6Foundation Fieldbus Specifications . ....

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P A-2 Mounting Transmitters may be attached directly to the sensor. Optional mounting brackets (codes B4 and B5) permit remote mounting. See “Optional Transmitter Mounting Brackets” on page A-12. Weight Enclosure Ratings NEMA 4X, C...

Reference Manual 00809-0100-4021, Rev DANovember 2004 A-3 Rosemount 3144P External Ground Screw Assembly The external ground screw assembly can be ordered by specifying code G1 when an enclosure is specified. However, some approvals include the ground screw assembly in the transmitter shipment, henc...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P A-4 Accuracy Reference Accuracy Example (HART only) When using a Pt 100 ( α = 0.00385) sensor input with a 0 to 100 °C span: Digital Accuracy would be ±0.10 °C, D/A accuracy would be ±0.02% of 100 °C or ±0.02 °C, Total = ±0.12 °C...

Reference Manual 00809-0100-4021, Rev DANovember 2004 A-5 Rosemount 3144P Ambient Temperature Effect Table A-1. Ambient Temperature Effect Transmitters may be installed in locations where the ambient temperature is between –40 and 85 °C (–40 and 185 °F).To maintain excellent accuracy performance, ea...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P A-6 HART / 4–20 MA SPECIFICATIONS Power Supply External power supply required. Transmitters operate on 12.0 to 42.4 V dc transmitter terminal voltage (with 250 ohm load, 18.1 V dc power supply voltage is required). Transmitter po...

Reference Manual 00809-0100-4021, Rev DANovember 2004 A-7 Rosemount 3144P Temperature Limits HART Communicator Connections 375 Field Communicator connections are permanently fixed to power/signal block. Failure Mode The 3144P features software and hardware failure mode detection. An independent circ...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P A-8 F OUNDATION FIELDBUS SPECIFICATIONS Power Supply Powered over F OUNDATION Fieldbus with standard fieldbus power supplies. Transmitters operate on 9.0 to 32.0 V dc, 11 mA maximum. Transmitter power terminals are rated to 42.4 ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 A-9 Rosemount 3144P Status If self-diagnostics detect a sensor burnout or a transmitter failure, the status of the measurement will be updated accordingly. The status may also send the PID output to a safe value. F OUNDATION Fieldbus Parameters S...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P A-10 Instantiable Function Blocks • All the function blocks used by the transmitter are instantiable, meaning the total number of function blocks is only limited by the physical memory available in the transmitter. Since only the...

Reference Manual 00809-0100-4021, Rev DANovember 2004 A-11 Rosemount 3144P Transmitter Dimensional Drawing Top View Side View Dimensions are in inches (millimeters) Transmitter Dimensional Drawing for Conduits with M20 x 1.5, PG 13.5, and JIS G 1 / 2 Entries Top View Front View Dimensions are in inc...

Reference Manual 00809-0100-4021, Rev DANovember 2004 A-13 Rosemount 3144P FIGURE 1. HART / 4–20 mA Wiring Diagram 3144P Single-Sensor Connections Diagram 3144P Dual-Sensor Connections Diagram * Transmitter must be configured for a 3-wire RTD in order to recognize an RTD with a compensation loop. **...

Reference Manual 00809-0100-4021, Rev DANovember 2004 A-17 Rosemount 3144P To custom configure the 3144P with the dual-sensor option transmitter for one of the applications described below, indicate the appropriate option code in the model number. If a sensor type is not specified, the transmitter w...

Reference Manual 00809-0100-4021, Rev DANovember 2004 Rosemount 3144P www.rosemount.com Appendix B Product Certifications Rosemount 3144P With HART / 4–20 mA . . . . . . . . . . . . . page B-1Rosemount 3144P With Foundation fieldbus . . . . . . . . . page B-6Installation Drawings . . . . . . . . . ....

Reference Manual 00809-0100-4021, Rev DANovember 2004 B-3 Rosemount 3144P N1 CENELEC / ATEX Type n Approval (Zone 2) Certificate Number: BAS01ATEX3432XATEX Category Marking II 3 G EEx nL IIC T6 (T amb = –40 to 50 °C) EEx nL IIC T5 (T amb = –40 to 75 °C) U i = 55V Special Conditions for Safe Use (X):...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P B-4 N7 Type N Approval Certificate Number: AUS Ex 02.3794XEx n IIC T6 (T amb = –60 to 50 °C) Ex n IIC T5 (T amb = –60 to 75 °C) IP66U n = 55 V P n = 1.3 W I7 Intrinsic Safety Approval Certificate Number: AUS Ex 02.3794XEx ia IIC ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 B-5 Rosemount 3144P Additional Certifications American Bureau of Shipping (ABS) Type Approval ABS Type Approval for temperature measurements in hazardous locations on ABS Classed Vessels, Marine and Offshore Installations. Type Approval is based ...

Reference Manual 00809-0100-4021, Rev DANovember 2004 B-7 Rosemount 3144P Temperature codes: T5 (T amb = – 60 to 75 °C), T6 (T amb = – 60 to 50°C) Canadian Standards Association (CSA) Approvals I6 CSA Intrinsic Safety / FISCO and Division 2 Intrinsically Safe / FISCO for use in Class I, Division 1, ...

Reference Manual 00809-0100-4021, Rev DA November 2004 Rosemount 3144P B-8 Table B-4. Input Entity Parameters Special Conditions for Safe Use (x): 1. The apparatus enclosure may contain light metals. The apparatus must be installed in such a manner as to minimize the risk of impact or friction with ...