Emerson Rosemount 2051HT Quick Start Manual
Hygienic pressure transmitter with 4-20 ma hart revision 5 and 7
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Summary of Contents for Emerson Rosemount 2051HT
- Page 1 Quick Start Guide 00825-0100-4591, Rev DB October 2023 Rosemount 2051HT Hygienic ™ Pressure Transmitter with 4-20 mA HART Revision 5 and 7 ®...
- Page 2 Quick Start Guide October 2023 Contents About this guide........................... 3 System readiness......................... 5 Transmitter installation....................... 7 Product certifications........................ 22 Emerson.com/Rosemount...
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Page 3: About This Guide
October 2023 Quick Start Guide 1 About this guide 1.1 Safety messages This guide provides basic guidelines for the Rosemount 2051 Pressure Transmitter. It does not provide instructions for configuration, diagnostics, maintenance, service, troubleshooting, explosionproof, flameproof, or intrinsically safe (IS) installations. WARNING Explosions could result in death or serious injury. - Page 4 Use only bolts supplied or sold by Emerson as spare parts. NOTICE The products described in this document are NOT designed for nuclear-qualified applications.
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Page 5: System Readiness
) is loaded on your ™ systems to ensure proper communications. • Download the latest device driver at Emerson.com FieldCommGroup.org. 2.2.1 Device revisions and drivers Table 2-1 provides the information necessary to ensure you have the correct device driver and documentation for your device. - Page 6 NE53, revisions of the least significant level X (of 1.0.X) do not change functionality or operation of the device and will bot be reflected in this device revision history. HART software revision can be read using a HART capable configuration tool. Emerson.com/Rosemount...
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Page 7: Transmitter Installation
Transmitter must not be securely mounted or clamped in place when changing transmitter orientation. 3.1.1 Conduit entry orientation When installing a Rosemount 2051HT Hygienic Pressure Transmitter, it is recommended to install so the conduit entry faces downward toward the ground. This is to maximize drainability when cleaning. - Page 8 Note To maintain performance, torquing a 1.5. Tri-Clamp beyond 50 in-lb ® is not recommended on pressure ranges below 20 psi. 3.2 Setting security switch Prerequisites Set Simulate and Security switch configuration before installation as shown in Figure 3-3. Emerson.com/Rosemount...
- Page 9 October 2023 Quick Start Guide • The simulate switch enables or disables simulated alerts and simulated AI Block status and values. The default simulate switch position is enabled. • The Security switch allows (unlocked symbol) or prevents (locked symbol) any configuration of the transmitter. •...
- Page 10 Quick Start Guide October 2023 Figure 3-3: Transmitter Electronics Board Aluminum Polished 316 SST A. Simulate switch B. Security switch Emerson.com/Rosemount...
- Page 11 October 2023 Quick Start Guide 3.4 Connect the wiring and power up Use copper wire of sufficient size to ensure the voltage across the transmitter power terminals does not drop below 9 Vdc. Power supply voltage can be variable, especially under abnormal conditions such as when operating on battery backup.
- Page 12 (internal or external). If the transmitter is currently not wired for power up and communication, follow Connect the wiring and power up, step 1– 8. When the transmitter is properly wired, refer to Figure 3-4 internal and external transient grounding locations. Emerson.com/Rosemount...
- Page 13 5. Plug and seal unused conduit connections. Note The Rosemount 2051HT polished 316 SST housing only provides ground termination inside the terminal compartment. Quick Start Guide...
- Page 14 Fast Key sequences for the latest DD are shown in Table 3-1. For Fast Key sequences using legacy DDs, contact your local Emerson representative. NOTICE Emerson recommends installing the latest DD to access the complete functionality. Visit Emerson.com/FieldCommunicator...
- Page 15 October 2023 Quick Start Guide Table 3-1: Device Revision 9 and 10 (HART 7), DD Revision 1 Fast ® (continued) Key sequence Function HART 7 HART 5 Descriptor 2, 2, 7, 1, 5 2, 2, 7, 1, 4 Digital to Analog Trim (4–20 mA 3, 4, 2 3, 4, 2 output)
- Page 16 Quick Start Guide October 2023 Figure 3-5: Internal and external LOI buttons A. Internal buttons B. External buttons Table 3-2: LOI Button operation Button Left SCROLL Right ENTER Emerson.com/Rosemount...
- Page 17 HART7 3.6 Zero trim the transmitter Emerson calibrates devices at the factory. Once you have installed the transmitter, Emerson recommends performing a zero trim on gauge transmitters to eliminate error due to mounting position or static pressure effects. You can use either a handheld communicator or configuration buttons to perform a zero trim.
- Page 18 Quick Start Guide October 2023 NOTICE Emerson does not recommend zeroing an absolute transmitter, Rosemount 2051HT Hygienic Pressure Transmitter. Procedure Choose your trim procedure: • Sets the analog output to 4 mA. Analog Also referred to as a rerange, it sets the lower range zero trim value (LRV) equal to the measured pressure.
- Page 19 October 2023 Quick Start Guide 3.6.2 Zero trim the transmitter with configuration buttons You can perform a zero trim using one of the three possible sets of configuration buttons located above the terminal block or under the top tag. Procedure Access the configuration buttons. •...
- Page 20 Aluminum interface (LOI) and span Polished 316 SST A. Configuration buttons LOI buttons (option M4) only offer front facing buttons on SST housing (option 1). You can purchase options D4 and DZ for rear/terminal-side facing buttons. Emerson.com/Rosemount...
- Page 21 October 2023 Quick Start Guide Zero trim with local operator interface (LOI): option M4 Procedure 1. Set the transmitter pressure. 2. See Figure 3-6 for the operating menu. • To perform an analog zero trim, select Rerange. • To perform a digital zero trim, select Zero Trim. Zero trim with analog zero and span (option D4) Procedure 1.
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Page 22: Product Certifications
A copy of the EU Declaration of Conformity can be found at the end of the Quick Start Guide. The most recent revision of the EU Declaration of Conformity can be found at Emerson.com/Rosemount 4.2 Ordinary Location Certification As standard, the transmitter has been examined and tested to... - Page 23 October 2023 Quick Start Guide OPTIONAL: SINGLE SEAL TYPE 4X, IP 68 INSTALL PER 03031-1024 1. The Model 2051HT transmitter housing may Specific Conditions contain aluminum and is considered a potential for Use: risk of ignitionby impact or friction. Care must be taken during installation and use to prevent impact and friction.
- Page 24 Zone 0. 3. The equipment contains thin wall diaphragms. The installation, maintenance and use shall take into account the environmental conditions to which the diaphragms will be subjected. The manufacturer’s instructions for installation and Emerson.com/Rosemount...
- Page 25 The manufacturer’s instructions for installation and maintenance shall be followed in detail to assure safety during its expected lifetime. 4.8 Additional Certifications ® All Rosemount 2051HT transmitters with the following connections are 3-A approved and labeled: Quick Start Guide...
- Page 26 Product Data Sheet availability of 3-A certifications. A 3-A certificate of compliance is available by selecting option code EHEDG All Rosemount 2051HT transmitters with the following connections are EHEDG approved and labeled: T32: 1½-in. Tri Clamp T42: 2-in. Tri Clamp...
- Page 27 October 2023 Quick Start Guide 4.9 Declaration of Conformity Quick Start Guide...
- Page 28 Quick Start Guide October 2023 Emerson.com/Rosemount...
- Page 29 October 2023 Quick Start Guide 4.10 China RoHS Rosemount 2051HT China RoHS List of Rosemount 2051HT Parts with China RoHS Concentration above MCVs / Hazardous Substances Hexavalent Polybrominated Polybrominated Part Name Lead Mercury Cadmium Chromium biphenyls diphenyl ethers (Pb) (Hg) (Cd)
- Page 30 Quick Start Guide October 2023 Emerson.com/Rosemount...
- Page 31 October 2023 Quick Start Guide Quick Start Guide...
- Page 32 2023 Emerson. All rights reserved. Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the Emerson family of companies. All other marks are the property of their respective owners.
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