Emerson Smart Wireless THUM Adapter User manual

¢00825-0100-4075[¤
Quick Installation Guide
00825-0100-4075, Rev DA
July 2011 Smart Wireless THUM Adapter
Wireless Considerations
Bench Top Configuration
Step 1: Physical Installation
Step 2: Verify Operation
Reference Information
Product Certifications
EC Declaration of Conformity
Start
End
Smart Wireless THUM™ Adapter
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© 2011 Rosemount Inc. All rights reserved. All marks property of owner.
IMPORTANT NOTICE
This installation guide provides basic guidelines for the Smart Wireless THUM Adapter. It
does not provide instructions for detailed configuration, diagnostics, maintenance,
service, troubleshooting, or installations. Refer to the THUM Adapter Reference Manual
(document number 00809-0100-4075) for more instruction. The manual and this QIG are
also available electronically on www.rosemount.com.
WARNING
Explosions could result in death or serious injury:
Installation of this transmitter in an explosive environment must be in accordance with the
appropriate local, national, and international standards, codes, and practices. Please
review the Product Certifications section for any restrictions associated with a safe
installation.
• Before connecting a Field Communicator in an explosive atmosphere, ensure the
instruments are installed in accordance with intrinsically safe or non-incendive field
wiring practices.
Electrical shock can result in death or serious injury:
• Avoid contact with the leads and terminals. High voltage that may be present on leads
can cause electrical shock.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
conditions. This device may not cause harmful interference. This device must accept any
interference received, including interference that may cause undesired operation.
This device must be installed to ensure a minimum antenna separation distance of
7.87-in. (20 cm) from all persons.
IMPORTANT NOTICE
During normal operation, or in fault condition, the THUM Adapter will cause a 2.5 V drop
in the connected loop. It is important to ensure that the power supply can provide at least
2.5 V more than the minimum operating voltage of the wired device to make sure it works
properly with the THUM Adapter installed. To determine the minimum operating voltage
for the wired device, review the wired device operation and installation manual.
Emerson Process Management
Rosemount Division
8200 Market Boulevard
Chanhassen, MN USA 55317
T (US) [phone]
T (Intnl) [phone]
F [phone]
Rosemount Temperature GmbH
Frankenstrasse 21
63791 Karlstein
Germany
T 49 (6188) 992 0
F 49 (6188) 992 112
Emerson Process Management
Asia Pacific Private Limited
1 Pandan Crescent
Singapore 128461
T (65) 6777 8211
F (65) 6777 0947 / (65) 6777 0743
[e-mail]
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July 2011 Smart Wireless THUM Adapter
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WIRELESS CONSIDERATIONS
Power Up Sequence
Power should not be applied to any wireless device until the Smart Wireless Gateway
(“Gateway”) is installed and functioning properly. Wireless devices should also be powered
up 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. For more information see the Smart Wireless
Gateway Manual (Doc. No. 00809-0200-4420).
THUM Adapter Position
If possible, the THUM Adapter should be positioned vertically straight up, and should be
approximately 3 ft (1 m) from any large structure, building or conductive surface to allow for
clear communication to other devices. If the THUM Adapter is mounted horizontally wireless
communication range may be decreased. The THUM Adapter should not be mounted
vertically straight down. See THUM Adapter reference manual (00809-0100-4075) for more
information.
Figure 1. THUM Adapter Position
Conduit Entry
When installing the THUM Adapter into the conduit entry of a wired device, use an approved
thread sealant. Thread sealant provides a water tight seal. The thread sealant also provides
lubrication to ensure easy removal of the THUM Adapter.
M20 Conduit Adapter
When using the M20 Conduit Adapter on the THUM Adapter, use an approved thread
sealant and tighten wrench tight to the THUM Adapter. When installing the M20 conduit
adapter into a conduit, tighten to 32.5 Nm/25 ft-lb. to ensure water tight seal.
Field Communicator Connections
In order for the Field Communicator to interface with the THUM Adapter, the wired device
must be powered. The Field Communicator must be put into poll mode and should use the
THUM Adapter address of 63.
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Power Supply
Minimum loop load of 250 Ohms.
The THUM Adapter communicates via and derives power from a standard 4-20 mA/HART®
loop. The THUM Adapter causes a small voltage drop on the loop which is linear from 2.25
V at 3.5 mA to 1.2 V at 25 mA. Under fault conditions, the maximum voltage drop is 2.5 V.
The THUM Adapter will not affect the 4-20 mA signal under normal or fault conditions as
long as the loop has at least a 2.5 V margin at the maximum loop current (25 mA for a
typical 4-20 mA/HART device).
Limit the power supply to 0.5 Amps maximum, and voltage to 55 Vdc.
Load Resistor
If required, add a load resistor as shown in Figure 8, 12, and 16. The resistor should be
adequately rated for the application (1W minimum) and be compatible with the supplied
splice connector which accepts wire sizes from 14 to 22 AWG.
Loop
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.
BENCH TOP CONFIGURATION
When performing bench top configuration it is suggested that you connect the THUM
Adapter to a wired device. If this is not possible, the following wiring diagrams can be used.
For bench top configuration, ensure that the power supply that you are using is limited to 0.5
Amps maximum.
Figure 2. THUM Adapter Only, Powered by a Current Source (Such as a Fluke 744)
Loop Current THUM Adapter voltage drop
3.5 mA 2.25 V
25 mA 1.2 V
Ground
-
20 mA
Current
Source
HART
Modem
THUM Adapter
Green
Red
Black
White
Yellow
+
250 Ohm Resistor not
required, but may be
used to verify current
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Figure 3. THUM Adapter Only, Powered by a 24 V Power Supply with 1200 Ohm resistor to limit
current to 20 mA
STEP 1: PHYSICAL INSTALLATION
The THUM Adapter can be installed in one of two configurations:
Direct Mount: The THUM Adapter is connected directly to the conduit entry of the wired
device.
Figure 4. Direct Mount
Direct Mount
1. Install the HART device according to standard installation practices and the
manufacturer’s instructions, being sure to use an approved thread sealant on all
connections.
2. Attach the THUM Adapter to the wired device as shown in Figure 4.
3. Connect the THUM Adapter to the HART wired device using the wiring diagrams below.
See Figures 21, 8, 10, and 12 on the following pages.
4. Close the housing cover on the HART wired device, so that metal touches metal, but do
not over tighten to prevent damaging the unit.
NOTE
Two splice connectors are included with the THUM Adapter. The first is a two
connection splice. The second is a three connection splice for use with a resistor, if
there is not enough resistance in the loop. Both of these splice connectors can
accept 14 to 22 gauge wire. See wired device reference manual for information on the
required loop resistance.
Ground
-
20 mA
Current
Source
HART
Modem
THUM Adapter
Green
Red
Black
White
Yellow
+
1200 Ohm
Resistor
Required
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Remote Mount
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.
Figure 5. Remote Mount
1. Install the HART device according to standard installation practices and the
manufacturer’s instructions, being sure to use an approved thread sealant on all
connections.
2. The THUM Adapter should be mounted as shown in Figure 5 on page 6.
3. Ground the Remote Mount Kit per local practices.
4. Connect the THUM Adapter to the wired device using standard practices. Wire running
from the THUM Adapter to the wired device should be shielded or in conduit when
installed in electrically noisy environments.
5. Connect the THUM Adapter to the HART wired device using the wiring diagrams below.
See Figure 21, 8, 10, and 12 on the following pages.
6. Close the housing cover on the HART wired device, so that metal touches metal, but do
not over tighten to prevent damaging the unit.
NOTE
Two splice connectors are included with the THUM Adapter. The first is a two
connection splice. The second is a three connection splice for use with a resistor, if
there is not enough resistance in the loop. Both of these splice connectors can
accept 14 to 22 gauge wire. See wired device reference manual for information on the
required loop resistance.
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Wiring Diagrams
The following is a list of the figure titles and page numbers for each direct mount and remote
mount wiring diagram:
Figure 6 - Direct Mount Wiring Diagram for 2-Wire Device on page 8
Figure 7 - Remote Mount Wiring Diagram for 2-Wire Device on page 8
Figure 8 - Direct Mount Wiring Diagram for 2-Wire Device with Resistor on page 9
Figure 9 - Remote Mount Wiring Diagram for 2-Wire Device with Resistor on page 9
Figure 10 - Direct Mount Wiring Diagram for 4-Wire Passive Device on page 10
Figure 11 - Remote Mount Wiring Diagram for 4-Wire Passive Device on page 10
Figure 12 - Direct Mount Wiring Diagram for 4-Wire Passive Device with Resistor on
page 11
Figure 13 - Remote Mount Wiring Diagram for 4-Wire Passive Device with Resistor on
page 11
Figure 14 - Direct Mount Wiring Diagram for 4-Wire Active Device on page 12
Figure 15 - Remote Mount Wiring Diagram for 4-Wire Active Device on page 12
Figure 16 - Direct Mount Wiring Diagram for 4-Wire Active Device with Resistor on page 13
Figure 17 - Remote Mount Wiring Diagram for 4-Wire Active Device with Resistor on
page 13
Figure 18 - Direct Mount Wiring Diagram for 4-Wire Active Device with No 4-20 mA Loop on
page 14
Figure 19 - Remote Mount Wiring Diagram for 4-Wire Active Device with No 4-20 mA Loop
on page 14
Figure 20 - THUM Adapter only, Powered by a 24 V Power Supply with 1200 Ohm resistor
to limit current to 20 mA on page 15
Figure 21 - THUM Adapter only, Powered by a 24 V Power Supply with 1200 Ohm resistor
to limit current to 20 mA on page 15
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Figure 6. Direct Mount Wiring Diagram for 2-Wire Device
NOTE:
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 8, 12, or 16 as applicable.
Figure 7. Remote Mount Wiring Diagram for 2-Wire Device
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
- PWR / COMM
+ PWR / COMM
THUM Adapter
Green
Red
Black
White
Yellow
Load Resistor 250

Power +
Supply-
Remote Mount Housing
4-20 mA Loop -
4-20 mA Loop +
Ground
+ COMM
- COMM
THUM Adapter
Green
Red
Black
White
Yellow
To Wired Device
Shield Wire Load Resistor 250

+Power
-Supply
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Figure 8. Direct Mount Wiring Diagram for 2-Wire Device with Resistor
Figure 9. Remote Mount Wiring Diagram for 2-Wire Device with Resistor
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
- PWR / COMM
+ PWR / COMM
THUM Adapter
Green
Red
Black
White
Yellow
Power +
Supply-
Load Resistor 250

Remote Mount Housing
4-20 mA Loop -
4-20 mA Loop +
Ground
+ COMM
- COMM
THUM Adapter
Green
Red
Black
White
Yellow
To Wired Device
Shield Wire
Load Resistor 250

+ Power
- Supply
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Figure 10. Direct Mount Wiring Diagram for 4-Wire Passive Device
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.
Figure 11. Remote Mount Wiring Diagram for 4-Wire Passive Device
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
THUM Adapter
Green
Red
Black
White
Yellow
Power+
Power-
COMM+
COMM-
Power +
Supply-
Load Resistor 250

Remote Mount Housing
4-20 mA Loop -
4-20 mA Loop +
Ground
+ COMM
- COMM
THUM Adapter
Green
Red
Black
White
Yellow
To Wired Device
Shield Wire Load Resistor 250

+ Power
- Supply
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Figure 12. Direct Mount Wiring Diagram for 4-Wire Passive Device with Resistor
Figure 13. Remote Mount Wiring Diagram for 4-Wire Passive Device with Resistor
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
THUM Adapter
Green
Red
Black
White
Yellow
Power+
Power-
COMM+
COMM-
Load Resistor 250

Power +
Supply-
Remote Mount Housing
4-20 mA Loop -
4-20 mA Loop +
Ground
+ COMM
- COMM
THUM Adapter
Green
Red
Black
White
Yellow
To Wired Device
Shield Wire
+ Power
- Supply
Load Resistor 250

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Figure 14. Direct Mount Wiring Diagram for 4-Wire Active Device
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.
Figure 15. Remote Mount Wiring Diagram for 4-Wire Active Device
Splice Connector
Wired Device
4-20 mA Loop -
4-20 mA Loop +
Ground
THUM Adapter
Green
Yellow
White
Black
Red
Input
Card
Power+
Power-
COMM+
COMM-
Load Resistor 250

Remote Mount Housing
4-20 mA Loop -
4-20 mA Loop +
Ground + COMM
- COMM
THUM Adapter
Green
Red
Black
White
Yellow
To Wired Device
Shield Wire
Load Resistor 250

Input
Card
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Figure 16. Direct Mount Wiring Diagram for 4-Wire Active Device with Resistor
Figure 17. Remote Mount Wiring Diagram for 4-Wire Active Device with Resistor
Splice Connector
Wired Device
Ground
THUM Adapter
Green
Yellow
White
Black
Red
4-20 mA Loop -
4-20 mA Loop +
Load Resistor 250

Input
Card
Power+
Power-
COMM+
COMM-
Remote Mount Housing
4-20 mA Loop -
4-20 mA Loop +
Ground
+ COMM
- COMM
THUM Adapter
Green
White
Black
Red
To Wired Device
Yellow
Shield Wire
Load Resistor 250

Load Resistor 250

Input
Card
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Figure 18. Direct Mount Wiring Diagram for 4-Wire Active Device with No 4-20 mA Loop
Figure 19. Remote Mount Wiring Diagram for 4-Wire Active Device with No 4-20 mA Loop
Splice Connector
Wired Device
Ground
THUM Adapter
Green
Yellow
White
Black
Red
Load Resistor 250

Power+
Power-
COMM+
COMM-
Remote Mount Housing
Ground
+ COMM
- COMM
THUM Adapter
Green
White
Black
Red
To Wired Device
Yellow
Load Resistor 250

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Figure 20. THUM Adapter only, Powered by a 24 V Power Supply with 1200 Ohm resistor to limit
current to 20 mA
Figure 21. THUM Adapter only, Powered by a 24 V Power Supply with 1200 Ohm resistor to limit
current to 20 mA
Junction Box
THUM Adapter
250
Ohm
Resistor
Ground
1200
Ohm
Resistor
Required
-
24 V
Power
Supply
+
Green
Red
Black
White
Yellow
Remote Mount
Housing
THUM Adapter
250 Ohm
Resistor
Ground 1200 Ohm
Resistor
Required
-
24 V
Power
Supply
+
Green
White
Black
Red
Yellow
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Device Network Configuration
In order to communicate with the Smart 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. Using a Field Communicator or AMS, enter the Network ID and Join Key so that
they match the Network ID and Join Key of the gateway and other devices in the network. If
the Network ID and Join Key are not identical, the THUM Adapter will not communicate with
the network. The Network ID and Join Key may be obtained from the Smart Wireless
Gateway on the Setup>Network>Settings page on the web server, shown in Figure 22.
Figure 22. Gateway Network Settings
AMS
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.
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 Key Sequence Menu Items
Wireless Setup 1,4 Smart Power, Network ID, Set Join
Key, Radio State
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Loop Current Test
To verify that 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.
1. Place loop in manual control.
2. Drive loop to high alarm level. For details, see wired device instruction manual.
• When the THUM Adapter is connected to a valve, this will need to be done at the current
source and not from the valve.
• When the THUM Adapter is connected to a transmitter, this will need to be performed at
the transmitter.
3. Place the THUM Adapter into fixed voltage drop mode.
AMS
Right click on the THUM Adapter and select Configure. When the menu opens, select
Manual Setup from the window on the left and select the Wired Device tab on the top.
Make sure that the Time drop down menu at the bottom of the page has Current
selected. Under the Voltage Drop drop down menu in the Smart Power Options box,
select Fixed Voltage Drop. Hit the Apply button to make any changes. See Figure 23 on
page 18.
Field Communicator
When communicating to the THUM Adapter select: Configure - Manual setup - Wired
Device - Voltage Drop Mode. In the method choose Fixed Voltage Drop.
4. Verify that the current on the loop reaches the high alarm levels.
5. Place the THUM Adapter into variable voltage drop mode.
AMS
Right click on the THUM Adapter and select Configure. When the menu opens, select
Manual Setup from the window on the left and select the Wired Device tab on the top.
Make sure that the Time drop down menu at the bottom of the page has Current
selected. Under the Voltage Drop drop down menu in the Smart Power Options box,
select Variable Voltage Drop. Hit the Apply button to make any changes. See
Figure 23.
Field Communicator
When communicating to the THUM Adapter select: Configure - Manual setup - Wired
Device - Voltage Drop Mode. In the method choose Variable Voltage Drop.
Function Key Sequence Menu Items
Voltage Drop 2,2,2,2 Voltage Drop
Function Key Sequence Menu Items
Voltage Drop 2,2,2,2 Voltage Drop
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6. Remove loop from high alarm value.
Figure 23. AMS Configure screen
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STEP 2: VERIFY OPERATION
Operation can be verified in three locations: by using the Field Communicator, at the
Gateway via the Smart Wireless Gateway’s integrated web server, or via AMS™Wireless
Configurator.
Field Communicator
For HART Wireless transmitter communication, a THUM Adapter DD is required.The Field
Communicator must be put into poll mode using the THUM Adapter address of 63. Use the
wired device documentation to connect the Field Communicator to the THUM Adapter.
Figure 24. Field Communicator Connections
Smart 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 Smart Wireless Gateway’s
integrated web server, open the Smart Wireless Gateway’s integral web interface and
navigate to the Explorer page.
NOTE:
It may take several minutes for the device to join the network.
AMS Wireless Configurator
When the device has joined the network, it will appear in the Wireless Configurator as
illustrated below.
Function Key Sequence Menu Items
Communications 3, 3 Join Status, Wireless Mode, Join Mode,
Number of Available Neighbors, Number of
Advertisements Heard, Number of Join
Attempts
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Troubleshooting
If the device is not operating properly, refer to the troubleshooting section of the manual. The
most common cause of incorrect operation is the Network ID and Join Key. The Network ID
and Join Key in the device must match that of the Smart Wireless Gateway.
The Network ID and Join Key may be obtained from the Smart Wireless Gateway on the
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.
REFERENCE INFORMATION
NOTE:
In order to communicate with a Field Communicator, the wired device must be
powered.
Table 1. THUM Adapter Fast Key Sequence
Function Key Sequence Menu Items
Wireless Setup 1, 4 Smart Power, Network ID, Set Join
Key, Radio State
Function Key Sequence Menu Items
Device Info 2, 2, 4, 3 Manufacturer, Model, Final Assembly Number, Universal,
Field Device, Software, Hardware, Descriptor, Message,
Date, Model Number I, II, III, SI Unit Restriction, Country
Guided Setup 2, 1 Configure, Guided Setup, Join Device to Network,
Configure Update Rate, Zero Trim, Configure Device
Display, Configure Process Alarms
Manual Setup 2, 2 Configure, Manual Setup, Wireless, Pressure, Device
Temperatures, Device Information, Display, Other
Wireless 2, 2, 1 Network ID, Join Device to Network, Configure Update
Rate, Configure Broadcast Power Level, Power Mode,
Power Source
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