Emerson ROSEMOUNT 781S Quick Start Manual
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Summary of Contents for Emerson ROSEMOUNT 781S
- Page 1 Quick Start Guide 00825-0700-4410, Rev AF July 2023 Emerson Wireless 781S Smart Antenna...
- Page 2 July 2023 Safety messages NOTICE This guide provides basic guidelines for the Emerson Wireless 781S Smart Antenna. It does not provide instructions for diagnostics, maintenance, service, or troubleshooting. Refer to Emerson Wireless 1410S Gateway and 781S Smart Antenna Reference Manual for more information and instructions.
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Page 3: Table Of Contents
July 2023 Quick Start Guide Contents Wireless planning.........................5 Intended use..........................7 Physical installation........................8 Best practices..........................11 Verify operation..........................12 Product certifications........................ 13 Reference data........................... 24 Quick Start Guide... - Page 4 Quick Start Guide July 2023 Emerson.com...
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Page 5: Wireless Planning
Wireless planning 1.1 Power up sequence For a simpler and faster network installation, first install the Emerson Wireless Smart Antenna and wireless inputs and outputs and make sure they are functioning properly. Next, power up wireless field devices in order of proximity from the antenna, beginning with the closest. - Page 6 Quick Start Guide July 2023 1.3 Antenna position Position the Emerson 781S Smart Antenna vertically and approximately 3 ft (1 m) from large structures, buildings, or conductive surfaces to allow for clear communication to other devices. If installing multiple antennas, it is important that the antennas have 3 ft (1 m) of horizontal separation from one another.
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Page 7: Intended Use
July 2023 Quick Start Guide 2 Intended use 2.1 System architecture The smart antenna must be used in conjunction with a network manager or network gateway. The smart antenna then functions as a translator between the wired network and a wireless field network. Figure 2-1: Example system architecture Quick Start Guide... -
Page 8: Physical Installation
4. Use a 5/16-in. wrench to tighten the screw into the housing. Figure 3-1: Mounting 3.2 Connect to power and data The Emerson 781S is completely prewired and only needs to be connected and powered on the Gateway end. The housing is permanently sealed on the Emerson 781S. Prerequisites If operating with more than one antenna, it is important the antenna is always connected to the antenna terminal connection 1 port. - Page 9 4. If connecting multiple antennas, repeat this process for terminal connection 2. Figure 3-2: Wiring guide A. Power B. Data Positive Negative Blk (Black) RS-485 comm A Wht (White) RS-485 comm B Blu (Blue) Figure 3-3: Emerson Wireless 781S A. Power output Quick Start Guide...
- Page 10 Quick Start Guide July 2023 B. RS-485 comm Emerson.com...
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Page 11: Best Practices
July 2023 Quick Start Guide 4 Best practices Twisted shielded pair cable is generally used to wire the serial connection to the Gateway. Install the Smart Antenna in a central location of the wireless field network so that it has the most direct connections to wireless devices as possible. -
Page 12: Verify Operation
Gateway end of the connection. 5.2 Power up sequence The second and third LEDs in the Emerson 1410S correlate to the first and second terminal connections. These lights should be green when the antenna is connected properly. 5.3 ... -
Page 13: Product Certifications
Changes or modification to the equipment not expressly approved by Emerson could void the user's authority to operate the equipment. Cet appareil est conforme à la Partie 15 de la réglementation FCC. Son fonctionnement est soumis aux conditions suivantes: Cet appareil ne doit pas causer d'interférences nuisibles. - Page 14 Les changements ou les modifications apportés à l'équipement qui n'est pas expressément approuvé par Emerson pourraient annuler l'autorité de l'utilisateur à utiliser cet équipement. 6.4 Ordinary location certification...
- Page 15 July 2023 Quick Start Guide 6.7 Canada I6 Canada Intrinsic Safety 80011679 Certificate Class I, II, III Division 1 Groups A, B, C, D, E, F, G T4; Class Markings I, II, III Division 2, Groups A, B, C, D, F, G T4 T4 (-40 °C ≤ ≤...
- Page 16 6.10 Brazil I2 INMETRO Intrinsic Safety Certificate UL-BR 20.1568X Ex ia IIC T4 Ga (-40 °C ≤ T ≤ +70 °C), Ex ic IIC T4 Gc (-40 Markings °C ≤ T ≤ +70 °C) Emerson.com...
- Page 17 July 2023 Quick Start Guide ABNT NBR IEC 60079-0: 2013, ABNT NBR IEC 60079-11: Standards 2013 Special Conditions for Safe Use (X) See certificate. 6.11 Japan I4 CML Intrinsic Safety CML20JPN2401X Certificate Ex ia IIC T4 Ga (-40 °C ≤ T ≤...
- Page 18 July 2023 21-KA4BO-0490X Certificate Ex ic IIC T4 Gc (-40 °C ≤ T ≤ +70 °C) Markings Special Conditions for Safe Use (X) See certificate. 6.15 Combinations Combination of I1, I5, and I6 Combination of I1, I5, I6, and I7 Emerson.com...
- Page 19 July 2023 Quick Start Guide 6.16 Declaration of Conformity Emerson Wireless 781SA Smart Antenna Quick Start Guide...
- Page 20 Quick Start Guide July 2023 Emerson.com...
- Page 21 July 2023 Quick Start Guide Emerson Wireless 781SC Smart Antenna Quick Start Guide...
- Page 22 Quick Start Guide July 2023 Emerson.com...
- Page 23 July 2023 Quick Start Guide 6.17 China RoHS table Quick Start Guide...
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Page 24: Reference Data
Quick Start Guide July 2023 7 Reference data For information on product specs, dimensional drawings, ordering information or the complete reference manual, see Emerson.com. Figure 7-1: Hazardous Location Installation Option N: No intrinsically safe (IS) outputs, for installation in safe areas only... - Page 25 July 2023 Quick Start Guide Quick Start Guide...
- Page 26 Quick Start Guide July 2023 Emerson.com...
- Page 27 July 2023 Quick Start Guide Quick Start Guide...
- Page 28 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.