Endress+Hauser Waterpilot FMX21 Installation instructions
Products Solutions Services
Safety Instructions
Waterpilot FMX21
II 2 G Ex ia IIC T6...T4 Gb
0
XA02555P-A/00/EN/
01.21
71533911
2021-07-05
Waterpilot FMX21 XA02555P-A
Endress+Hauser 3
Waterpilot FMX21
Table of contents
Associated documentation ......................................... 4
Supplementary documentation ..................................... 4
Manufacturer's certificates ......................................... 4
Manufacturer address ............................................. 4
Extended order code ............................................... 4
Safety instructions: General ........................................ 6
Safety instructions: Special conditions .............................. 6
Safety instructions: Installation .................................... 7
Temperature tables ................................................ 8
Connection data ................................................... 9
XA02555P-A Waterpilot FMX21
4 Endress+Hauser
Associated
documentation
This document is an integral part of the following Operating
Instructions:
BA00380P/00
Supplementary
documentation
Explosion-protection brochure: CP00021Z/11
The Explosion-protection brochure is available:
• In the download area of the Endress+Hauser website:
www.endress.com -> Downloads -> Brochures and Catalogs ->
Text Search: CP00021Z
• On the CD for devices with CD-based documentation
Manufacturer's
certificates
UK Declaration of Conformity
Declaration Number:
UK_00250
The UK Declaration of Conformity is available:
In the download area of the Endress+Hauser website:
www.endress.com -> Downloads -> Declaration ->
Type: UKCA Declaration -> Product Code: ...
UKCA type-examination certificate
Certificate number:
CML 21UKEX2466
List of applied standards: See UK Declaration of Conformity.
Manufacturer
address
Endress+Hauser SE+Co. KG
Hauptstraße 1
79689 Maulburg, Germany
Address of the manufacturing plant: See nameplate.
Extended
order code
The extended order code is indicated on the nameplate, which is affixed
to the device in such a way that it is clearly visible. Additional
information about the nameplate is provided in the associated
Operating Instructions.
Waterpilot FMX21 XA02555P-A
Endress+Hauser 5
Structure of the extended order code
FMX21 – ************* + A*B*C*D*E*F*G*..
(Device
type)
(Basic
specifications)
(Optional
specifications)
* = Placeholder
At this position, an option (number or letter) selected from the
specification is displayed instead of the placeholders.
Basic specifications
The features that are absolutely essential for the device (mandatory
features) are specified in the basic specifications. The number of
positions depends on the number of features available.
The selected option of a feature can consist of several positions.
Optional specifications
The optional specifications describe additional features for the device
(optional features). The number of positions depends on the number of
features available. The features have a 2-digit structure to aid
identification (e.g. JA). The first digit (ID) stands for the feature group
and consists of a number or a letter (e.g. J = Test, Certificate). The
second digit constitutes the value that stands for the feature within the
group (e.g. A = 3.1 material (wetted parts), inspection certificate).
More detailed information about the device is provided in the following
tables. These tables describe the individual positions and IDs in the
extended order code which are relevant to hazardous locations.
Extended order code: Waterpilot
The following specifications reproduce an extract from the product
structure and are used to assign:
• This documentation to the device (using the extended order
code on the nameplate).
• The device options cited in the document.
Device type
FMX21
XA02555P-A Waterpilot FMX21
6 Endress+Hauser
Basic specifications
Position 1, 2 (Approval)
Selected option Description
FMX21 UE UK Ex II 2G Ex ia IIC T4...T6 Gb
Position 4 (Probe Tube)
Selected option Description
FMX21 1 316L, d=22mm/0.87in
2 316L, d=42mm/1.66in, flush mount
5 PPS/Polyolefin>316L, d=29mm/1.15in, application salt-water
Optional specifications
No options specific to hazardous locations are available.
Safety
instructions:
General
• Comply with the installation and safety instructions in the Operating
Instructions.
• Staff must meet the following conditions for mounting, electrical
installation, commissioning and maintenance of the device:
• Be suitably qualified for their role and the tasks they perform
• Be trained in explosion protection
• Be familiar with national regulations
• Install the device according to the manufacturer's instructions and
national regulations.
• Avoid electrostatic charging:
• Of plastic surfaces (e.g. enclosure, sensor element, special
varnishing, attached additional plates, ..)
• Of isolated capacities (e.g. isolated metallic plates)
Safety
instructions:
Special conditions
• To avoid electrostatic charging: Do not rub surfaces with a dry cloth.
• In the event of additional or alternative special varnishing on the
enclosure or other metal parts or for adhesive plates:
• Observe the danger of electrostatic charging and discharge.
• Do not install in the vicinity of processes (≤ 0.5 m) generating
strong electrostatic charges.
• Avoid sparks caused by impact and friction.
• Anchor equipment if necessary/secure against swinging.
• Do not use in media or environments which may generate
electrostatic charges on the plastic surfaces.
Waterpilot FMX21 XA02555P-A
Endress+Hauser 7
Safety
instructions:
Installation
(+)
(–)
A
B
1
A0033644
1
A Zone 1, Zone 2
B Zone 1
1 Only for Basic specification, Position 4 = 1, 2
• When the devices are connected to certified intrinsically safe circuits
of Category Ex ib, the type of protection changes to Ex ib.
• When interconnecting intrinsically safe circuits, take into account
sensor capacitance and lengthdependent cable capacitance and
inductance (see "Connection data" chapter).
• The intrinsically safe input power circuit of the device is isolated from
ground. The dielectric strength is at least 500 Vrms.
• When shortening the length of the cable: Ensure that the dielectric
strength is maintained for connection wires and earth grounded
screen.
• Connect cable screen to earth ground of the installation.
XA02555P-A Waterpilot FMX21
8 Endress+Hauser
Terminal box
1
2
3
A0033645
2
1 Functional earth terminals
2 Isolation plates
3 Signal terminals
• Continuous service temperature of the connecting cable: ≥ +85 °C.
• Do not remove or move terminal blocks, isolation plates or fastening
elements.
• Do not build in additional components.
Temperature
tables
Ambient temperature range Temperature class Max. ambient temperature
–10 °C ≤ Ta ≤ +70 °C T4 +70 °C
T5 +55 °C
T6 +40 °C
Terminal box
Ambient temperature range Temperature class
–40 °C ≤ Ta ≤ +80 °C T6
Waterpilot FMX21 XA02555P-A
Endress+Hauser 9
Connection data Electrical data
Ui ≤ 30 VDC
li ≤ 133 mA
Pi ≤ 1 W
Sensor:
Ci ≤ 10.3 nF, Li = 0
Cable:
Ci ≤ 180 pF/m, Li ≤ 1 µH/m
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