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00809-0100-4737
English
Rev. EA
Models 244EH and 244ER
PC-Programmable Temperature
Transmitters
Product Discontinued
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D E T U. Product Manual Models 244EH and 244ER PC-Programmable Temperature Transmitters NOTICE Read this manual before working with the product. For personal and system safety, and for optimum product performance, make sure you thoroughly understand the contents before installing, using, or maintaining this product. Within the United States, Rosemount Inc. has two toll-free assistance numbers: Customer Central Technical support, quoting, and order-related questions. 1-800-999-9307 (7:00 am to 7:
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Table of Contents SECTION 1 SafetyMessages .....................................1-1 Introduction Transmitter Overview.................................1-1 ManualOverview....................................1-2 Considerations ......................................1-3 General..........................................1-3 Mechanical.......................................1-3 Electrical ........................................1-3 Environmental ....................................1-3 SECTION 2 SafetyMess
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Rosemount Models 244EH and 244ER PC-Programmable Temperature Transmitters APPENDIX A Transmitter Specification ............................. A-1 Reference Data Functional....................................... A-1 Performance..................................... A-2 Physical ........................................ A-5 Model 244EC Configuration Interface ................ A-5 OrderingInformation ................................ A-6 Ordering Flameproof and Explosion-proof Approvals for Temperature
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Section 1 Introduction SafetyMessages . ... ... ... .... ... ... ... .... ... ..page 1-1 Transmitter Overview . ... ... .... ... ... ... .... ... ..page 1-1 ManualOverview . ... ... ... .... ... ... ... .... ... ..page 1-2 Considerations ... ... ... ... .... ... ... ... .... ... ..page 1-3 SAFETY MESSAGES Procedures and instructions in this manual may require special precautions to ensure the safety of the personnel performing the operations. Information that raises potential safety issues is
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Rosemount Models 244EH and 244ER PC-Programmable Temperature Transmitters MANUAL OVERVIEW This manual is designed to assist in the installation, operation, and ® maintenance of Rosemount Model 244EH and 244ER PC Programmable Temperature Transmitters and the Model 244EC Configuration Interface. Section 2: Installation • Tools for installation • Mounting • Installation • Field wiring Section 3: Operation • Power Supply • Configuration Section 4: Maintenance and Troubleshooting • Software Troubl
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CONSIDERATIONS General Electrical temperature sensors such as RTDs and thermocouples produce low-level signals proportional to their sensed temperature. The Models 244EH and 244ER transmitters convert the low-level sensor signal to a standard 4–20 mA dc signal that is relatively insensitive to lead length and electrical noise. This current signal is then transmitted to the control room via two wires. Mechanical When choosing an installation location and position, take into account the need
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Section 2 Installation SafetyMessages . ... ... ... .... ... ... ... .... ... ..page 2-1 Tools needed for Installation . .... ... ... ... .... ... ..page 2-2 Mounting . .... ... ... ... ... .... ... ... ... .... ... ..page 2-3 Installation Procedures .. ... .... ... ... ... .... ... ..page 2-5 FieldWiring ... ... ... ... ... .... ... ... ... .... ... ..page 2-12 Failure Mode .. ... ... ... ... .... ... ... ... .... ... ..page 2-16 SAFETY MESSAGES Instructions and procedures in this section may r
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Rosemount Models 244EH and 244ER PC-Programmable Temperature Transmitters Figure 2-1. Transmitter Installation Flowchart Transmitter Begin Here Configured? Configure Field Transmitter Install Set Sensor Set Failure Type Mode Switch Set Number Mount of Wires Transmitter Wire Set 50/60 Hz Transmitter Filter Power Set Units Transmitter Set Range Check for Values Leaks Set Done Damping TOOLS NEEDED FOR The tools needed for installation are as follows: INSTALLATION Models 244EH and 244ER: • Transmitt
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540 °C 815°C Process Process 50 C 2 ° T m era re e p tu Temperature Process Temperature MOUNTING The Model 244EH installs in a connection head or universal head mounted directly on a sensor assembly, apart from a sensor assembly using a universal head, or to a DIN rail using an optional mounting clip. The Model 244ER mounts directly to a wall or to a DIN rail. The Models 244EH and 244ER transmitters will operate within specifications for ambient temperatures between –40 and 185 °F (–40 and 8
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Rosemount Models 244EH and 244ER PC-Programmable Temperature Transmitters Special Mounting Special mounting hardware is available for mounting a Model 244EH head mount transmitter to a DIN rail, or assembling Considerations a new Model 244EH to an existing threaded sensor connection head (former option code L1). Mounting a Model 244EH to a DIN Rail To attach a head mount transmitter to a DIN rail, assemble the appropriate rail mounting kit (part number 00644-5301-0010) to the transmitter as
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INSTALLATION PROCEDURES Transmitter Refer to the appropriate procedure and the accompanying illustrations when installing the transmitter. Head Mount Transmitter with DIN Plate Style Sensor The least complicated assembly uses: • an integral mount sensor with flying leads • an integral DIN style connection head •a standard extension •a threaded thermowell Refer to Volume 2 of the Rosemount Sensors Product Data Sheet (document number 00813-0101-2654) for complete sensor and mounting accessory
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Rosemount Models 244EH and 244ER PC-Programmable Temperature Transmitters Head Mount Transmitter with Threaded Sensor The least complicated assembly uses: • a threaded sensor with flying leads • the universal connection head • a union and nipple extension assembly •a threaded thermowell Refer to Volume 1 of the Rosemount Sensors Product Data Sheet (document number 00813-0100-2654) for complete sensor and mounting accessory information. To complete the assembly, follow the steps as described be
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Rail Mount Transmitter with Integral Mount Sensor The least complicated assembly uses: • an integral mount sensor with terminal block • an integral DIN style connection head •a standard extension •a threaded thermowell Refer to Volume 2 of the Rosemount Sensors Product Data Sheet (document number 00813-0101-2654) for complete sensor and mounting accessory information. To complete the assembly, follow the procedure described below. 1. Attach the transmitter to a suitable rail or panel. 2. Attac
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Rosemount Models 244EH and 244ER PC-Programmable Temperature Transmitters Rail Mount Transmitter with Threaded Sensor The least complicated assembly uses: • a threaded sensor with flying heads • a threaded sensor connection head • a union and nipple extension assembly •a threaded thermowell Refer to Volume 1 of the Rosemount Sensors Product Data Sheet (document number 00813-0100-2654) for complete sensor and mounting accessory information. To complete the assembly, follow the procedure describ
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Multichannel Installations Several transmitters can be connected to a single master power supply as shown in Figure 2-9. In this case, the system may be grounded only at the negative power supply terminal. In multichannel installations where several transmitters depend on one power supply and the loss of all transmitters would cause operational problems, consider a back-up battery or power supply that cannot be interrupted. The diodes shown in Figure 2-9 prevent unwanted charging or discha
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Rosemount Models 244EH and 244ER PC-Programmable Temperature Transmitters Choose the procedure that matches the operating system you are using. Procedure for Windows 3.1 or Windows for Workgroups 3.11 1. If you do not have Win32s installed, install it now. Follow the instructions on the diskette label. 2. Insert the Models 244EH and 244ER Configuration Software diskette into your floppy disk drive. 3. In the File Manager, choose RUN from the FILE menu. 4. The RUN dialog box appears. In the COM
