Emerson Rosemount 248 Quick Start Manual
Wireless temperature transmitter
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- Quick start manual (32 pages)
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Summary of Contents for Emerson Rosemount 248
- Page 1 Quick Start Guide 00825-0300-4248, Rev AA July 2020 ™ Rosemount 248 Wireless Temperature Transmitter...
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Page 2: Table Of Contents
Quick Start Guide July 2020 Contents About this guide...........................3 Wireless considerations........................6 Physical installation........................7 Verify operations........................11 Reference information....................... 14 Power module replacement....................... 17 Product certifications......................... 19 Declaration of conformity......................23 China RoHS..........................25 Emerson.com/Rosemount... -
Page 3: About This Guide
July 2020 Quick Start Guide About this guide This guide provides basic guidelines to install the Rosemount 248 Wireless Temperature Transmmitter. It does not provide instructions for detailed configuration, diagnostics, maintenance, service, troubleshooting, or installations. Refer to the Rosemount 248 Temperature Transmitter Reference Manual for more instruction. - Page 4 Contacts should be protected to prevent premature discharge. Battery hazards remain when cells are discharged. Power modules should be stored in a clean and dry area. For maximum battery life, storage temperature should not exceed 86 °F (30 °C). Emerson.com/Rosemount...
- Page 5 July 2020 Quick Start Guide NOTICE Shipping considerations for wireless products (lithium batteries: Green Power Module, model number 701PGNKF) The unit was shipped to you without the power module installed. Remove the power module prior to shipping. Each power module contains one “D” size primary lithium battery. Primary lithium batteries are regulated in transportation by the U.S.
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Page 6: Wireless Considerations
July 2020 Wireless considerations Power up sequence The Rosemount 248 Wireless Transmitter and all other devices should be installed only after the Wireless Gateway (“Gateway”) has been installed and is functioning properly. Wireless devices should also be powered up in order of proximity from the Gateway, beginning with the closest. -
Page 7: Physical Installation
July 2020 Quick Start Guide Physical installation The transmitter can be installed in one of two configurations: Direct Mount, where the sensor is connected directly to the transmitter conduit entry, or Remote Mount, where the sensor is mounted separately from the transmitter housing, then connected to the transmitter via conduit. - Page 8 Remote mount Procedure 1. Remove the transmitter enclosure cover. 2. Remove the LCD display (if applicable). 3. Loosen the captive screws and remove LCD display adapter plate (if applicable). Refer to Figure 3-3. Emerson.com/Rosemount...
- Page 9 July 2020 Quick Start Guide Figure 3-3: Exploded View of LCD Display Assembly 4. Run wiring (and conduit, if necessary) from the sensor to the transmitter. Note Use an ½-in. NPT when mating conduit to the transmitter. 5. Pull the wiring through the threaded conduit entry of the transmitter.
- Page 10 Figure 3-4: Remote Mount Dimensions are in inches (millimeters). Note Wireless devices should be powered up in order of proximity from the Wireless Gateway, beginning with the closest device to the Gateway. This will result in a simpler and faster network installation. Emerson.com/Rosemount...
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Page 11: Verify Operations
® For HART communication, a Rosemount 248 Wireless DD is required. To obtain the latest DD, visit the Emerson Easy Upgrade site at: Emerson.com/Rosemount/Device-Install-Kits The communication status may be verified in the wireless device using the following Fast Key sequence. - Page 12 When the device has joined the network, it will appear in the Wireless ® Configurator window as illustrated in figure below. For HART communication, a Rosemount 248 Wireless DD is required. To obtain the latest DD, visit the Emerson Easy Upgrade site at: Emerson.com/Rosemount/Device-Install-Kits...
- Page 13 July 2020 Quick Start Guide Figure 4-2: AMS Wireless Configurator Troubleshooting If the device is not joining to the network, check to make sure that you have a power supply in your device. If the device is not joined to the network after power up, verify the correct configuration of the Network ID and Join Key, and verify that Active Advertising has been enabled on the Wireless Gateway.
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Page 14: Reference Information
Reference information Figure 5-1: Sensor Wiring Thermocouple and mV 4-Wire RTD and Ω 3-Wire RTD and Ω 2-Wire RTD and Ω Figure 5-2: Sensor Connections 2-wire RTD and Ω 3-wire RTD and Ω 4-wire RTD and Ώ T/C and mV Emerson.com/Rosemount... - Page 15 July 2020 Quick Start Guide Note Emerson provides 4-wire sensors for all single element RTDs. Use these RTDs in 3- or 2-wire configurations by leaving the unneeded leads disconnected and insulated with electrical tape. ® Table 5-1: WirelessHART Fast Key Sequences...
- Page 16 Figure 5-4: Thermocouple Lead Wire Configurations IEC 60584 thermocouple ASTM E-230 thermocouple colors colors Type POS(+) NEG(-) POS(+) NEG(-) Black White White Green White Yellow Brown White Blue Note Dual thermocouple sensors are shipped with one pair of the wires shrink wrapped together. Emerson.com/Rosemount...
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Page 17: Power Module Replacement
July 2020 Quick Start Guide Power module replacement Expected power module life is 10 years at reference conditions. When power module replacement is required, remove the cover and remove the Green Power Module. Replace the Green Power Module (part number 701PGNKF) and replace the cover. - Page 18 Consult the material’s safety data sheet for battery specific information. Shipping considerations The unit was shipped to you without the power module installed. Remove the power module prior to shipping the unit. Emerson.com/Rosemount...
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Page 19: Product Certifications
All wireless devices require certification to ensure that they adhere to regulations regarding the use of the RF spectrum. Nearly every country requires this type of product certification. Emerson is working with governmental agencies around the world to supply fully compliant products and remove the risk of violating country directives or laws governing wireless device usage. - Page 20 Certificate Baseefa14ATEX0359X Standards EN 60079-0: 2012; EN 60079-11: 2012 Markings II 1 G Ex ia IIC T4/T5 Ga; T4 (–60 °C ≤ T ≤ +70 °C); T5 (–60 °C ≤ T ≤ +40 °C) Table 7-1 for entity parameters. Emerson.com/Rosemount...
- Page 21 July 2020 Quick Start Guide Special Condition for Safe Use (X) 1. The plastic enclosure may present a potential electrostatic ignition hazard and must not be rubbed or cleaned with a dry cloth. International I7 IECEx Intrinsic Safety Certificate IECEx BAS 14.0158X Standards IEC 60079-0: 2011;...
- Page 22 +70 °C); IP66/IP67 Specific Condition for Safe Use (X) 1. See certificate for special conditions. Table 7-1: Entity Parameters Voltage U 6.6 V Current I 26.2 mA Power P 42.6 mW Capacitance C 11 μF Inductance L 25 mH Emerson.com/Rosemount...
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Page 23: Declaration Of Conformity
July 2020 Quick Start Guide Declaration of conformity EU Declaration of Conformity No: RMD 1082 Rev. N Rosemount, Inc. 8200 Market Boulevard Chanhassen, MN 55317-9685 declare under our sole responsibility that the product, Rosemount 248 Wireless Temperature Transmitter manufactured by, Rosemount, Inc. - Page 24 No: RMD 1082 Rev. N EMC Directive (2014/30/EU) Harmonized Standards: EN 61326-1: 2013 Radio Equipment Directive (RED) (2014/53/EU) Rosemount 248 Wireless Temperature Transmitter (248, 248DX) Harmonized Standards: EN 300 328 V2.1.1 EN 301 489-1 V2.1.1 EN 301 489-17 V3.1.1 EN 61010-1: 2010...
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Page 25: China Rohs
July 2020 Quick Start Guide China RoHS Quick Start Guide... - Page 26 Quick Start Guide July 2020 Emerson.com/Rosemount...
- Page 27 July 2020 Quick Start Guide Quick Start Guide...
- Page 28 The Emerson logo is a Twitter.com/Rosemount_News trademark and service mark of Emerson Electric Facebook.com/Rosemount Co. Rosemount is a mark of one of the Emerson Youtube.com/user/ family of companies. All other marks are the RosemountMeasurement property of their respective owners.