Emerson Rosemount 5408 Manuale utente
Quick Start Guide
00825-0800-4408, Rev AA
February 2020
Rosemount™ 5408 Level Transmitter
with Modbus® Protocol
Contents
About this guide...........................................................................................................................3
Confirm approval type..................................................................................................................5
Components of the parabolic antenna......................................................................................... 6
Mount the transmitter..................................................................................................................7
Adjust the inclination of the antenna..........................................................................................11
Plug and seal the air purge entry.................................................................................................14
Adjust display orientation (optional).......................................................................................... 15
Prepare the electrical connections..............................................................................................16
Connect wiring and power up.....................................................................................................19
Performance specifications........................................................................................................ 23
Functional specifications............................................................................................................ 25
Physical specifications................................................................................................................ 27
Quick Start Guide February 2020
2 Rosemount 5408 Level Transmitter
1 About this guide
This Quick Start Guide provides basic guidelines for the Rosemount 5408
Level Transmitter with Modbus® Protocol.
WARNING
Failure to follow safe installation and servicing guidelines could result in
death or serious injury.
•Ensure the transmitter is installed by qualified personnel and in
accordance with applicable code of practice.
•Use the equipment only as specified in this Quick Start Guide. Failure to
do so may impair the protection provided by the equipment.
•For installations in hazardous locations, the transmitter must be installed
according to the Rosemount 5408 Product Certifications document and
System Control Drawing (D7000005-811).
•Repair, e.g. substitution of components, etc. may jeopardize safety and
is under no circumstances allowed.
Explosions could result in death or serious injury.
•Verify that the operating atmosphere of the transmitter is consistent
with the appropriate hazardous locations certifications.
•Before connecting a handheld communicator in an explosive
atmosphere, ensure the instruments are installed in accordance with
intrinsically safe or non-incendive field wiring practices.
•In Explosion-proof/Flameproof installations, do not remove the
transmitter covers when power is applied to the unit.
•Both transmitter covers must be fully engaged to meet Explosion-proof/
Flameproof requirements.
Electrical shock could cause death or serious injury.
•In Explosion-proof/Flameproof installations, avoid contact with the leads
and terminals. High voltage that may be present on leads can cause
electrical shock.
•Ensure the mains power to the transmitter is off and the lines to any
other external power source are disconnected or not powered while
wiring the transmitter.
February 2020 Quick Start Guide
Quick Start Guide 3
WARNING
Process leaks could result in death or serious injury.
•Ensure that the transmitter is handled carefully. If the process seal is
damaged, gas might escape from the tank.
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 February 2020
4 Rosemount 5408 Level Transmitter
2 Confirm approval type
For hazardous locations transmitters labeled with multiple approval types:
Procedure
Permanently mark the checkbox of the selected approval type(s).
Figure 2-1: Label with Multiple Approval Types
February 2020 Quick Start Guide
Quick Start Guide 5
3 Components of the parabolic antenna
3.1 Components of the threaded version
Figure 3-1: Components
2x
[([*['[&[%[$[)
A. Antenna
B. Purge plug kit (blind plug and bonded seal)
C. Threaded sleeve
D. M20 adapter
E. Lock nut BSPP (G) 3½-in.
F. Antenna adapter with ball joint
G. O-ring
Quick Start Guide February 2020
6 Rosemount 5408 Level Transmitter
4 Mount the transmitter
4.1 Mount the threaded version
Procedure
1. Remove the lock nut.
2. Mount the O-ring.
3. Mount the antenna adapter on the mounting flange plate. Ensure the
antenna adapter fits tightly to the mounting flange plate.
B
A
A. Ø 3.98 ± 0.02 in. (Ø 101 ± 0.6 mm) or G 3½-in.
B. Max. 0.59 in. (15 mm)
February 2020 Quick Start Guide
Quick Start Guide 7
4. Remove the M20 adapter and visually inspect the O-rings for damage
and dirt.
5. Carefully insert the antenna.
6. Secure the antenna.
27 mm
Torque 180 in-lb (20 N-m)
Quick Start Guide February 2020
8 Rosemount 5408 Level Transmitter
7. Tighten the set screw.
H2 mm
Torque 5 in-lb (0.5 N-m)
8. Position the antenna assembly onto the mounting frame.
Example
Deck/platform mounted
9. Tighten the bolts and nuts.
It is recommended that insulating bushes are fitted to the mounting
bolts.
February 2020 Quick Start Guide
Quick Start Guide 9
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