Endress+Hauser Levelflex FMP51 Technical specifications
Products Solutions Services
Brief Operating Instructions
Levelflex FMP51
Modbus
Guided wave radar
These Instructions are Brief Operating Instructions; they are
not a substitute for the Operating Instructions pertaining to
the device.
Detailed information about the device can be found in the
Operating Instructions and the other documentation:
Available for all device versions via:
• Internet: www.endress.com/deviceviewer
• Smart phone/tablet: Endress+Hauser Operations App
KA01421F/00/EN/02.22-00
71565975
2022-04-05
Associated documentation Levelflex FMP51 Modbus
2 Endress+Hauser
1 Associated documentation
Order code:
Ext. ord. cd.:
Ser. no.:
www.endress.com/deviceviewer Endress+Hauser
Operations App
XXXXXXXXXXXX
XXXXX-XXXXXX
XXX.XXXX.XX
Serial number
1.
3.
2.
A0023555
2 About this document
2.1 Symbols
2.1.1 Safety symbols
DANGER
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
Levelflex FMP51 Modbus About this document
Endress+Hauser 3
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
2.1.2 Electrical symbols
Protective earth (PE)
Ground terminals that must be connected to ground prior to establishing any other
connections.
The ground terminals are located on the inside and outside of the device.
• Inner ground terminal; protective earth is connected to the mains supply.
• Outer ground terminal; device is connected to the plant grounding system.
2.1.3 Tool symbols
Flat-blade screwdriver
Allen key
Torx screwdriver
Open-ended wrench
2.1.4 Symbols for certain types of information and graphics
Permitted
Procedures, processes or actions that are permitted
Forbidden
Procedures, processes or actions that are forbidden
Tip
Indicates additional information
Reference to documentation
Reference to graphic
Notice or individual step to be observed
Basic safety instructions Levelflex FMP51 Modbus
4 Endress+Hauser
1.
,
2.
,
3.
Series of steps
Result of a step
Visual inspection
1, 2, 3, ...
Item numbers
A, B, C, ...
Views
2.1.5 Symbols on the device
Safety instructions
Observe the safety instructions contained in the associated Operating Instructions
Temperature resistance of the connection cables
Specifies the minimum value of the temperature resistance of the connection cables
3 Basic safety instructions
3.1 Requirements for personnel
The personnel must fulfill the following requirements for its tasks:
‣Trained, qualified specialists must have a relevant qualification for the specific function
and task
‣Are authorized by the plant owner/operator
‣Are familiar with federal/national regulations
‣Must have read and understood the instructions in the manual and supplementary
documentation
‣Follow instructions and comply with conditions
3.2 Intended use
Application and media
The measuring device described in this manual is intended only for the level and interface
measurement of liquids. Depending on the version ordered, the measuring device can also
measure potentially explosive, flammable, poisonous and oxidizing media.
If the limit values specified in the "Technical data" and the conditions listed in the manual and
additional documentation are observed, the measuring device may be used for the following
measurements only:
‣Measured process variables: level and/or interface height
‣Calculable process variables: volume or mass in any shape of vessel (calculated from the
level by the linearization functionality)
Levelflex FMP51 Modbus Basic safety instructions
Endress+Hauser 5
To ensure that the measuring device remains in proper condition for the operation time:
‣Use the measuring device only for media to which the process-wetted materials have an
adequate level of resistance.
‣Observe the limit values in the "Technical data".
Incorrect use
The manufacturer is not liable for damage caused by improper or non-intended use.
Verification for borderline cases:
‣For special fluids and fluids for cleaning, Endress+Hauser is glad to provide assistance in
verifying the corrosion resistance of fluid-wetted materials, but does not accept any
warranty or liability.
Residual risks
Due to heat transfer from the process as well as power loss in the electronics, the temperature
of the electronics housing and the assemblies contained therein (e.g. display module, main
electronics module and I/O electronics module) may rise up to 80 °C (176 °F). When in
operation, the sensor may reach a temperature close to the medium temperature.
Danger of burns from contact with surfaces!
‣In the event of high medium temperatures, ensure protection against contact to prevent
burns.
3.3 Workplace safety
When working on and with the device:
‣Wear the required personal protective equipment according to federal/national
regulations.
With divisible probe rods, medium may penetrate the joints between the individual parts of
the rod. This medium may escape when the joints are loosened. This can cause injuries in the
case of dangerous (e.g., aggressive or toxic) media.
‣When loosening the joints between the individual parts of the probe rod, wear appropriate
protective equipment according to the medium.
3.4 Operational safety
Risk of injury!
‣Operate the device only if it is in proper technical condition, free from errors and faults.
‣The operator is responsible for the interference-free operation of the device.
Modifications to the device
Unauthorized modifications to the device are not permitted and can lead to unforeseeable
dangers:
‣If modifications are nevertheless required, consult with the manufacturer.
Repair
To ensure continued operational safety and reliability:
‣Carry out repairs on the device only if they are expressly permitted.
‣Observe federal/national regulations pertaining to the repair of an electrical device.
Incoming acceptance and product identification Levelflex FMP51 Modbus
6 Endress+Hauser
‣Use only original spare parts and accessories from the manufacturer.
Hazardous area
To eliminate danger to persons or the installation when the device is used in the hazardous
area (e.g. explosion protection, pressure vessel safety):
‣Check the nameplate to verify whether the ordered device can be put to its intended use in
the hazardous area.
‣Observe the specifications in the separate supplementary documentation, which is an
integral part of this manual.
3.5 Product safety
This measuring device is designed in accordance with good engineering practice to meet state-
of-the-art safety requirements, has been tested, and left the factory in a condition in which it
is safe to operate. It meets the general safety standards and legal requirements.
NOTICE
Loss of degree of protection by opening of the device in humid environments
‣If the device is opened in a humid environment, the degree of protection indicated on the
nameplate is no longer valid. This may also impair the safe operation of the device.
3.5.1 CE mark
The measuring system meets the legal requirements of the applicable EU directives. These are
listed in the corresponding EU Declaration of Conformity together with the standards applied.
The manufacturer confirms successful testing of the device by affixing to it the CE mark.
3.5.2 EAC conformity
The measuring system meets the legal requirements of the applicable EAC guidelines. These
are listed in the corresponding EAC Declaration of Conformity along with the standards
applied.
The manufacturer confirms successful testing of the device by affixing to it the EAC mark.
4 Incoming acceptance and product identification
4.1 Incoming acceptance
Check the following during incoming acceptance:
• Are the order codes on the delivery note and the product sticker identical?
• Are the goods undamaged?
• Do the nameplate data match the ordering information on the delivery note?
• If required (see nameplate): are the Safety Instructions (XA) provided?
If one of these conditions is not met, please contact your Endress+Hauser sales office.
Levelflex FMP51 Modbus Incoming acceptance and product identification
Endress+Hauser 7
4.2 Product identification
The device can be identified in the following ways:
• Nameplate specifications
• Extended order code with breakdown of the device features on the delivery note
‣Enter serial number from nameplates in W@M Device Viewer
(www.endress.com/deviceviewer)
All of the information on the measuring device and on the scope of the technical
documentation pertaining to the device is displayed.
‣Enter the serial number from the nameplate in the Endress+Hauser Operations app or scan
the 2-D matrix code on the nameplate with the camera
All of the information on the measuring device and on the scope of the technical
documentation pertaining to the device is displayed.
4.3 Storage and transport
4.3.1 Storage temperature
• Permitted storage temperature: –40 to +80 °C (–40 to +176 °F)
• Use original packaging.
• Option for FMP51 and FMP54: –50 to +80 °C (–58 to +176 °F)
This range applies if the option JN "Transmitter ambient temperature" –50 °C (–58 °F) was
selected in order code 580 "Test, Certificate". If the temperature is permanently below
–40 °C (–40 °F), higher failure rates can be expected.
4.3.2 Transporting the product to the measuring point
LWARNING
Housing or rod may become damaged or pull off.
Risk of injury!
‣Transport the measuring device to the measuring point in its original packaging or by the
process connection.
‣Always secure lifting equipment (slings, eyes, etc.) at the process connection and never lift
the device by the electronic housing or probe. Pay attention to the center of gravity of the
device so that it does not tilt or slip unintentionally.
‣Follow the safety instructions and transport conditions for devices weighing more than 18
kg (39.6 lbs) (IEC 61010).
Incoming acceptance and product identification Levelflex FMP51 Modbus
8 Endress+Hauser
A0013920
Levelflex FMP51 Modbus Mounting
Endress+Hauser 9
5 Mounting
5.1 Mounting requirements
5.1.1 Suitable mounting position
A
C
12 3
4
B
A0012606
1 Installation conditions for Levelflex
Mounting Levelflex FMP51 Modbus
10 Endress+Hauser
Spacing requirements when mounting
• Distance (A) between the vessel wall and rod and rope probes:
• For smooth metallic walls: > 50 mm (2 in)
• For plastic walls: > 300 mm (12 in) to metallic parts outside the vessel
• For concrete walls: > 500 mm (20 in), otherwise the permitted measuring range may be
reduced.
• Distance (B) between rod probes and internal fittings (3): > 300 mm (12 in)
• When using more than one Levelflex:
Minimum distance between the sensor axes: 100 mm (3.94 in)
• Distance (C) from the end of the probe to the bottom of the vessel:
• Rope probe: > 150 mm (6 in)
• Rod probe: > 10 mm (0.4 in)
• Coax probe: > 10 mm (0.4 in)
Coax probes can be mounted at any distance to the wall and internal fixtures.
5.1.2 Securing the probe
Securing rope probes
1
A
C
B
2
A0012609
A Rope sag: ≥ 10 mm/(1 m probe length) [0.12 in/(1 ft probe length)]
B Reliably grounded end of probe
C Reliably insulated end of probe
1 Fastener in female thread of probe end weight
2 Insulated fastening kit
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17
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