Emerson Rosemount 248 Quick Start Manual
Rail mount temperature transmitter with rk option and hart 7 protocol
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- Reference manual (92 pages) ,
- Quick start manual (36 pages) ,
- Quick start manual (32 pages)
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Summary of Contents for Emerson Rosemount 248
- Page 1 Quick Start Guide 00825-0300-4825, Rev BD June 2024 Rosemount 248 Rail Mount ™ Temperature Transmitter with RK Option and HART 7 Protocol ®...
- Page 2 Physical security is an important part of any security program and fundamental in protecting your system. Restrict physical access by unauthorized personnel to protect end users’ assets. This is true for all systems used within the facility. Emerson.com/Rosemount...
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Page 3: Table Of Contents
June 2024 Quick Start Guide WARNING Refer to the Product certifications section of this Quick Start Guide documentation when using the RFID tag (option code Y3) for required installation conditions. Contents About this guide........................... 5 Installation............................ 6 Configuration..........................9 Transmitter installation......................11 Product certifications........................ 14 China RoHS.......................... - Page 4 Quick Start Guide June 2024 Emerson.com/Rosemount...
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Page 5: About This Guide
248R Rail Mount Temperature Transmitter. It does not provide instructions for detailed configuration, diagnostics, maintenance, service, troubleshooting, or installations. For more information, refer to the Rosemount 248 Rail Mount Temperature Transmitter Reference Manual. The manual and this guide are also available electronically at Emerson.com/Global. -
Page 6: Installation
1 to 63. If two transmitters are configured with the same number, both will be excluded. Program the transmitters for Multidrop mode (with a fixed output signal of 4 mA). Maximum current in the loop is therefore 252 mA. Emerson.com/Rosemount... - Page 7 June 2024 Quick Start Guide Figure 2-1: Multidrop connection A. Power supply B. Connection C. Connection D. Connection E. 250 Ω < R < 1100 Ω load F. Transmitter 2.3 Installation best practices After removing the terminal connectors for wiring installations, reinstall them by aligning with internal pins, securing the plastic hooks, and pushing down to ensure proper seating and prevent unseating due to wedging.
- Page 8 Quick Start Guide June 2024 3. Push down on the terminal connector to properly set it into place. NOTICE Improper seating can cause the hooks to wedge against the supporting plastic and cause the connector to unseat. Emerson.com/Rosemount...
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Page 9: Configuration
Configuration methods You can configure the transmitter using a HART communicator with ® Emerson's DDL driver or through a programming framework like AMS Device Manager or PACTware, both requiring product-specific software support from sources such as the FieldComm Group or Emerson. - Page 10 Quick Start Guide June 2024 Figure 3-2: Programming framework A. Transmitter B. 250 Ω < R < 1100 Ω load C. Process computer D. DCS, etc. Emerson.com/Rosemount...
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Page 11: Transmitter Installation
June 2024 Quick Start Guide 4 Transmitter installation 4.1 Rail mount transmitter with remote mount sensor The basic assembly configuration consists of a remote-mounted transmitter, an integral mount sensor with terminal block, an integral style connection head, a standard extension, and a threaded thermowell. - Page 12 5. Screw the connection head to the sensor. 6. Attach the sensor lead wires to the connection head terminals. 7. Attach additional sensor lead wires from the connection head to the transmitter. Emerson.com/Rosemount...
- Page 13 June 2024 Quick Start Guide 8. Attach and tighten the connection head cover. Enclosure covers must be fully engaged to meet explosion- proof requirements. 9. Attach the sensor and power leads to the transmitter. NOTICE Avoid contact with leads and terminals. Quick Start Guide...
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Page 14: Product Certifications
European Directive information 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/global. 5.2 Ordinary location certification... - Page 15 June 2024 Quick Start Guide Table 5-1: IS input parameters vs temperature range Input Temperature Input Temperature parameters range parameters range (Terminals 11, (Terminals 11, : 30 Vdc T4: -58 °F (-50 °C) : 30 Vdc T4: -58 °F (-50 °C) ≤...
- Page 16 Class 2 Power Supply with Transient protection. See installation drawing as appropriate. 5.5 Canada 5.5.1 I6 Canada Intrinsically Safe (IS) and Division 2/Zone 2 80072530 Certificate: Class I, Division 1, Groups A, B, C, D Markings: Emerson.com/Rosemount...
- Page 17 June 2024 Quick Start Guide Ex ia IIC T6…T4 Ex ib [ia] IIC T6…T4 Class I, Division 2, Groups A, B, C, D Ex nA IIC T6…T4 Ex nA [ic] IIC T6…T4 Note When installed per Control Drawing 00248-8000. Table 5-4: IS Input Parameters vs Temperature Range Input Temperature Input...
- Page 18 IP54, according to IEC60529, that is suitable for the application and is correctly installed. Cable entry devices and blanking elements shall fulfil the same requirements. 5. Use supply wires with a rating of at least 5 K above the ambient temperature. Emerson.com/Rosemount...
- Page 19 June 2024 Quick Start Guide 6. For Div 2/Zone 2 applications, the temperature transmitter requires connecting to Class 2 Power Supply with Transient protection. See installation drawing as appropriate. 5.6 Europe 5.6.1 I1 ATEX Intrinsic Safety DEKRA 21ATEX0003X Certificate: II 1 G Ex ia IIC T6…T4 Ga Markings: II 2(1) G Ex ib [ia Ga] IIC T6…T4 Gb II 2 D Ex ia IIIC Db...
- Page 20 = 851 mW 185 °F (85 °C) per channel 158 °F (70 °C) 131 °F (55 °C) = 30 Vdc = 30 Vdc = 700 mW 185 °F (85 °C) per channel 167 °F (75 °C) 140 °F (60 °C) Emerson.com/Rosemount...
- Page 21 June 2024 Quick Start Guide Table 5-10: Maximum output of transmitter Ex nA & Ex ec One sensor using Sensor using one set all output terminals of output terminals (41-54) (41-44 or 51-54) Vmax = 7.2 Vdc 7.2 Vdc 7.2 Vdc 12.9 mA 7.3 mA 23.3 mW...
- Page 22 3. For EPL Db, the surface temperature “T” of the enclosure, for a dust layer with a maximum thickness of 0.19685039 in. (5 mm), is the ambient temperature +20 K. 5.7.2 N7 IECEx Zone 2 IECEx DEK 21.0002X Certificate Emerson.com/Rosemount...
- Page 23 June 2024 Quick Start Guide Ex nA IIC T6…T4 Gc Markings Ex ec IIC T6…T4 Gc Ex ic IIC T6…T4 Gc Ex ic IIIC Dc Note When installed per Control Drawing 00248-8002. Table 5-11: Supply/input to transmitter Temperature Maximum class ambient temperature Ex nA &...
- Page 24 II 2G Ex ia IIC T6/T4 Gb, II 2D Ex ia IIC T80/T130C Markings Conditions of certification Maximum operating temperature: -58 °F (-50 °C) to +158 °F (+70 °C) The RFID tags shall never be exposed to high electromagnetic field strengths according to IEC 60079-14. Emerson.com/Rosemount...
- Page 25 June 2024 Quick Start Guide Electrostatic charges shall be avoided. The tags shall never be used next to strong charge generating processes. WARNING Additional warnings The plastic enclosure may present a potential electrostatic ignition hazard. RFID tag has limitations in ambient temperature and zone installation areas (Zones 1 &...
- Page 26 Quick Start Guide June 2024 5.10 Declaration of conformity Emerson.com/Rosemount...
- Page 27 June 2024 Quick Start Guide Quick Start Guide...
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Page 28: China Rohs
Quick Start Guide June 2024 6 China RoHS Emerson.com/Rosemount... - Page 29 June 2024 Quick Start Guide Quick Start Guide...
- Page 30 Quick Start Guide June 2024 Emerson.com/Rosemount...
- Page 31 June 2024 Quick Start Guide Quick Start Guide...
- Page 32 2024 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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