Emerson Rosemount 2140 User manual
Quick Start Guide
00825-0100-4140, Rev AD
July 2021
Rosemount™ 2140 and 2140:SIS Level
Detectors
Vibrating Fork
Contents
About this guide...........................................................................................................................3
Installation................................................................................................................................... 5
Prepare the electrical connections..............................................................................................12
Connect wiring and power-up.................................................................................................... 15
Configuration.............................................................................................................................20
Quick Start Guide July 2021
2 Rosemount 2140 and 2140:SIS Level Detectors
1 About this guide
This Quick Start Guide provides basic guidelines for the Rosemount 2140
and 2140:SIS Level Detectors. Refer to the Rosemount 2140 and 2140:SIS
Reference Manual for more instructions. The manual and this guide are also
available electronically at Emerson.com/Rosemount.
1.1 Safety messages
WARNING
Failure to follow safe installation and servicing guidelines could result in
death or serious injury.
Ensure the level detector is installed by qualified personnel and in
accordance with applicable code of practice.
Use the level detector only as specified in this manual. Failure to do so may
impair the protection provided by the level detector.
The weight of a level detector with a heavy flange and extended fork length
may exceed 37 lb. (18 kg). A risk assessment is required before carrying,
lifting, and installing the level detector.
For installations in hazardous locations, the level detector must be installed
according to the Rosemount 2140 and 2140:SIS Level Detectors Product
Certifications document.
WARNING
Explosions could result in death or serious injury.
Verify that the operating atmosphere of the level detector is consistent with
the appropriate hazardous locations certifications.
Before connecting a handheld communicator in an explosive atmosphere,
ensure that the instruments in the loop are installed in accordance with
intrinsically safe or non-incendive field wiring practices.
In explosion-proof/flameproof and non-incendive installations, do not
remove the housing covers when power is applied to the level detector.
Both housing covers must be fully engaged to meet flameproof/explosion-
proof requirements.
July 2021 Quick Start Guide
Quick Start Guide 3
WARNING
Electrical shock could cause death or serious injury.
Avoid contact with the leads and terminals. High voltage that may be
present on leads can cause electrical shock.
Ensure the power to the level detector is off, and the lines to any other
external power source are disconnected or not powered while wiring the
level detector.
Ensure the wiring is suitable for the electrical current and the insulation is
suitable for the voltage, temperature, and environment.
WARNING
Process leaks could result in death or serious injury.
Ensure the level detector is handled carefully. If the process seal is damaged,
gas might escape from the vessel (tank) or pipe.
WARNING
Physical access
Unauthorized personnel may potentially cause significant damage to and/or
misconfiguration of end users’ equipment. This could be intentional or
unintentional and needs to be protected against.
Physical security is an important part of any security program and
fundamental to protecting your system. Restrict physical access by
unauthorized personnel to protect end users’ assets. This is true for all
systems used within the facility.
CAUTION
Hot surfaces
The flange and process seal may be hot at high process temperatures. Allow
to cool before servicing.
Quick Start Guide July 2021
4 Rosemount 2140 and 2140:SIS Level Detectors
2 Installation
2.1 Fork alignment in a pipe installation
The fork is correctly aligned by positioning the groove or notch as indicated
(Figure 2-1).
Figure 2-1: Correct Fork Alignment for Pipe Installation
OK A
B
OK
A
B
A. Tri Clamp process connections have a circular notch
B. Threaded process connections have a groove
2.2 Fork alignment in a vessel (tank) installation
The fork is correctly aligned by positioning the groove or notch as indicated
(Figure 2-2).
Figure 2-2: Correct Fork Alignment for Vessel (Tank) Installation
OKOK
OK
C
A
B
A. Tri Clamp process connections have a circular notch
B. Threaded process connections have a groove
C. Flanged process connections have a circular notch
July 2021 Quick Start Guide
Quick Start Guide 5
2.3 Mounting the threaded version
2.3.1 Threaded vessel (tank) or pipework connection
Procedure
1. Seal and protect the threads. Use anti-seize paste or PTFE tape
according to site procedures.
A gasket may be used as a sealant for BSPP (G) threaded connections.
2. Screw the level detector into the process connection.
Note
Tighten using the hexagon nut only.
Figure 2-3: Vertical Installation
A
A. Gasket for BSPP (G) threaded connection
Figure 2-4: Horizontal Installation
A
A. Gasket for BSPP (G) threaded connection
Quick Start Guide July 2021
6 Rosemount 2140 and 2140:SIS Level Detectors
2.3.2 Threaded flange connection
Procedure
1. Place the customer-supplied flange and gasket on the vessel (tank)
nozzle.
A
A. Gasket (customer supplied)
2. Tighten the bolts and nuts with sufficient torque for the flange and
gasket.
3. Seal and protect the threads. Use anti-seize paste or PTFE tape
according to site procedures.
A gasket may be used as a sealant for BSPP (G) threaded connections.
July 2021 Quick Start Guide
Quick Start Guide 7
4. Screw the level detector into the flange thread.
Note
Tighten using the hexagon nut only.
A
A. Gasket for BSPP (G) threaded connection
Quick Start Guide July 2021
8 Rosemount 2140 and 2140:SIS Level Detectors
2.4 Mounting the flanged version
Procedure
1. Lower the level detector into the nozzle.
A
A. Gasket (customer supplied)
2. Tighten the bolts and nuts with sufficient torque for the flange and
gasket.
July 2021 Quick Start Guide
Quick Start Guide 9
2.5 Mounting the Tri Clamp version
Procedure
1. Lower the level detector into the flange face.
A
A. Seal (supplied with Tri Clamp)
2. Fit the Tri Clamp.
Quick Start Guide July 2021
10 Rosemount 2140 and 2140:SIS Level Detectors
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