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Summary of Contents for Emerson Wireless 775 THUM
- Page 1 Quick Start Guide 00825-0100-4075, Rev GI May 2024 Emerson Wireless 775 THUM ™ Adapter...
- Page 2 Quick Start Guide May 2024 Safety messages NOTICE This guide provides basic guidelines for the Emerson Wireless THUM Adapter. It does not provide instructions for detailed configuration, diagnostics, maintenance, service, troubleshooting, or installations. Refer to the Emerson Wireless 775 THUM Adapter Reference Manual for more instruction.
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Page 3: Table Of Contents
May 2024 Quick Start Guide Contents Wireless considerations......................5 Bench top configuration......................7 Physical installation........................9 Direct mount..........................10 Remote mount........................... 11 Wiring diagrams.........................12 Device network configuration....................28 AMS Device Manager.........................29 Field Communicator........................30 Perform loop current test......................31 Verify operation..........................34 Troubleshooting.........................36 Reference information...................... - Page 4 Quick Start Guide May 2024 www.emerson.com...
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Page 5: Wireless Considerations
May 2024 Quick Start Guide 1 Wireless considerations 1.1 Power up sequence Power up wireless devices in order of proximity from the Gateway, beginning with the closest. This will result in a simpler and faster network installation. Enable Active Advertising on the Gateway to ensure that new devices join the network faster. - Page 6 To ensure proper operation, the THUM Adapter should not be installed on a HART loop with other active HART masters. HART ® masters that are active periodically, such as a field communicator can be used on a loop with a THUM Adapter. www.emerson.com...
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Page 7: Bench Top Configuration
Quick Start Guide 2 Bench top configuration When performing bench top configuration Emerson suggests connecting the THUM Adapter to a wired device. If this is not possible, use the following wiring diagrams. For bench top configuration, ensure the power supply used is limited to 0.5 A maximum. - Page 8 Figure 2-2: THUM Adapter only, powered by a 24 V power supply with 1200 Ohm resistor to limit current to 20 mA A. THUM Adapter B. Ground C. 24 V power supply D. 1200 Ohm resistor E. HART modem www.emerson.com...
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Page 9: Physical Installation
May 2024 Quick Start Guide 3 Physical installation The THUM Adapter can be installed in one of two configurations: 1. Direct mount: The THUM Adapter is connected directly to the conduit entry of the wired device. 2. Remote mount: The THUM Adapter is mounted separate from the wired device housing and then connected to the wired device using conduit or other suitable means. -
Page 10: Direct Mount
Both of these splice connectors can accept 14 to 22 gauge wire. See wired device reference manual for information on the required loop resistance. www.emerson.com... -
Page 11: Remote Mount
May 2024 Quick Start Guide 5 Remote mount Prerequisites Install the HART device according to standard installation practices ® and the manufacturer’s instructions. Use an approved thread sealant on all connections. Procedure 1. The THUM Adapter should be mounted as shown in Figure 5-1. -
Page 12: Wiring Diagrams
In order for the THUM Adapter to function properly there must be at least 250 Ohms resistance in the loop. If the 4–20 mA loop does not have the required resistance, wire a resistor as shown in Figure 6-3, Figure 6-7, or Figure 6-11 as applicable. www.emerson.com... - Page 13 May 2024 Quick Start Guide Figure 6-2: Remote Mount Wiring Diagram for 2-Wire Device Black Green 4 -20 mA Loop + White 4 -20 mA Loop - Yellow + COMM To Wired Device - COMM A. THUM Adapter B. Remote mount housing C.
- Page 14 Figure 6-3: Direct Mount Diagram for 2-Wire Device with Resistor Green 4 -20 mA Loop + Black 4 -20 mA Loop - White Yellow - PWR/COMM + PWR/COMM A. THUM Adapter B. Wired device C. Ground D. Splice connector E. Load resistor ≥ 250 Ω F. Power supply www.emerson.com...
- Page 15 May 2024 Quick Start Guide Figure 6-4: Direct Mount Wiring Diagram for 2-Wire Device with Resistor Green 4 - 20 mA Loop + White Black 4 - 20 mA Loop - Yellow + COMM To Wired Device - COMM A. THUM Adapter B.
- Page 16 E. Load resistor ≥ 250 Ω F. Power supply Note A passive loop exists when the wired device is not supplying power to the 4–20 mA loop. It is important to verify if the wired device is operating in active or passive mode. www.emerson.com...
- Page 17 May 2024 Quick Start Guide Figure 6-6: Remote Mount Wiring Diagram for 4-Wire Passive Device Green 4 -20 mA Loop + 4 -20 mA Loop - + COMM To Wired Device - COMM A. THUM Adapter B. Remote mount housing C. Ground D.
- Page 18 Figure 6-7: Direct Mount Wiring Diagram for 4-Wire Passive Device with Resistor Green 4 - 20 mA Loop + 4 -20 mA Loop - Black White Yellow A. THUM Adapter B. Wired device C. Ground D. Splice connector E. Load resistor ≥ 250 Ω F. Power supply www.emerson.com...
- Page 19 May 2024 Quick Start Guide Figure 6-8: Remote Mount Wiring Diagram for 4-Wire Passive Device with Resistor Green 4 - 20 mA Loop + 4 - 20 mA Loop - + COMM To Wired Device - COMM A. THUM Adapter B. Remote mount housing C.
- Page 20 E. Load resistor ≥ 250 Ω F. Input card Note An active loop exists when the wired device is supplying the power to the 4–20 mA loop. It is important to verify if the wired device is operating in active or passive mode. www.emerson.com...
- Page 21 May 2024 Quick Start Guide Figure 6-10: Remote Mount Wiring Diagram for 4-Wire Active Device Green + COMM To Wired Device - COMM 4-20 mA Loop + 4-20 mA Loop - A. THUM Adapter B. Remote mount housing C. Ground D. Shield wire E.
- Page 22 Quick Start Guide May 2024 Figure 6-11: Direct Mount Wiring Diagram for 4-Wire Active Device with Resistor Green Yellow White Black A. THUM Adapter B. Wired device C. Ground D. Splice connector E. Load resistor ≥ 250 Ω F. Input card www.emerson.com...
- Page 23 May 2024 Quick Start Guide Figure 6-12: Remote Mount Wiring Diagram for 4-Wire Active Device with Resistor COMM + COMM - 4 - 20 mA Loop + 4 - 20 mA Loop - A. THUM Adapter B. Remote mount housing C. Ground D.
- Page 24 Quick Start Guide May 2024 Figure 6-13: Direct Mount Wiring Diagram for 4-Wire Active Device with No 4-20 mA Loop Green Yellow White Black A. THUM Adapter B. Wired device C. Ground D. Splice connector E. Load resistor ≥ 250 Ω www.emerson.com...
- Page 25 May 2024 Quick Start Guide Figure 6-14: Remote Mount Wiring Diagram for 4-Wire Active Device with No 4–20 mA Loop Black Green White Yellow + COMM To Wired Device - COMM A. THUM Adapter B. Remote mount housing C. Ground D. Load resistor ≥ 250 Ω Quick Start Guide...
- Page 26 Figure 6-15: THUM Adapter only, Powered by a 24 V Power Supply with 1200 Ohm resistor to limit current to 20 mA Green Black White Yellow A. THUM Adapter B. Junction box C. Ground D. 250 Ω resistor E. 1200 Ohm resistor required F. 24 V power supply www.emerson.com...
- Page 27 May 2024 Quick Start Guide Figure 6-16: THUM Adapter only, Powered by a 24 V Power Supply with 1200 Ohm Resistor to Limit Current to 20 mA Black Green White Yellow A. THUM Adapter B. Remote mount housing C. Ground D. 250 Ω resistor E.
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Page 28: Device Network Configuration
May 2024 7 Device network configuration In order to communicate with the Emerson Wireless Gateway, and ultimately the information system, the transmitter must be configured to communicate with the wireless network. This step is the wireless equivalent of connecting wires from a transmitter to the information system. -
Page 29: Ams Device Manager
May 2024 Quick Start Guide 8 AMS Device Manager Right-click on the THUM Adapter and select Configure. When the menu opens, select Join Device to Network and follow the method to enter the Network ID and Join Key. Quick Start Guide... -
Page 30: Field Communicator
The Network ID and Join Key may be changed in the wireless device by using the following Fast Key sequence. Set both Network ID and Join Key. Function Fast Key Menu Items sequence Wireless Setup 1, 4 Smart Power, Network ID, Set Join Key, Radio State www.emerson.com... -
Page 31: Perform Loop Current Test
May 2024 Quick Start Guide 10 Perform loop current test To verify the THUM Adapter will work under all conditions, a loop current test should be performed. This test will exercise the loop under the highest possible voltage drop conditions. Procedure 1. - Page 32 When communicating to the THUM Adapter, select: Configure → Manual setup → Wired Device → Voltage Drop Mode. b) In the method, select Variable Voltage Drop. Function Fast Key Menu items sequence Voltage Drop 2, 2, 2, 2 Voltage Drop 6. Remove loop from high alarm value. www.emerson.com...
- Page 33 May 2024 Quick Start Guide Figure 10-1: AMS Device Manager Configure Screen Quick Start Guide...
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Page 34: Verify Operation
Available Neighbors, Number of Advertisements Heard, Number of Join Attempts 11.2 Verify operation using Emerson Wireless Gateway If the THUM Adapter was configured with the Network ID and Join Key, and sufficient time has passed for network polling, the transmitter will be connected to the network. To verify device operation and connection to the network with the Gateway’s... - Page 35 May 2024 Quick Start Guide Figure 11-1: AMS Device Manger Quick Start Guide...
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Page 36: Troubleshooting
Setup → Network → Settings page on the web server. The Network ID and Join Key may be changed in the wireless device by using the following Fast Key sequence. Function Fast Key Menu items sequence Wireless Setup 1, 4 Smart Power, Network ID, Set Join Key, Radio State www.emerson.com... -
Page 37: Reference Information
May 2024 Quick Start Guide 13 Reference information Note In order to communicate with a Field Communicator, the wired device must be powered. Table 13-1: THUM Adapter Fast Key Sequence Function Fast Key Menu items sequence Device Info 2, 2, 4, 3 Manufacturer, Model, Final Assembly Number, Universal, Field Device, Software, Hardware, Descriptor,... -
Page 38: Product Certifications
(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 39 May 2024 Quick Start Guide This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device.
- Page 40 2. The Emerson Model 775 enclosure may be made of aluminum alloy and given a protective polyurethane paint finish; however, care should be taken to protect it from impact or abrasion if located in zone 0.
- Page 41 May 2024 Quick Start Guide 14.9.2 N7 IECEx Type n IECEx BAS 09.0058 Certificate Ex nA IIC Gc T4 or Ex ec IIC Gc T4 (-50 °C ≤ Ta ≤ Markings +70 °C) 14.10 Declaration of Conformity Quick Start Guide...
- Page 42 Quick Start Guide May 2024 14.11 China RoHS www.emerson.com...
- Page 43 May 2024 Quick Start Guide Quick Start Guide...
- Page 44 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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