Safety Instructions: Installation - Endress+Hauser Micropilot FMR50 Sicherheitshinweise

XA00687F-E
Safety instructions:
Installation
28
A
2
1
1
 5
A Zone 2
1 Potential equalization line
2 Electronic insert
3 Ex ic: Certified associated apparatus; Ex nA: Supply depending upon equipment version
4 Tank; Zone 2
5 Potential equalization
• After aligning (rotating) the housing, retighten the fixing screw (see Operating Instructions).
• Install the device to exclude any mechanical damage or friction during the application.
Pay particular attention to flow conditions and tank fittings.
• After mounting and connecting the antenna, ingress protection of the housing must be at least
IP65.
• Perform the following to achieve the degree of protection:
• Screw the cover tight.
• Mount the cable entry correctly.
• Continuous service temperature of the connecting cable: –40 °C to ≥ +85 °C; in accordance with the
range of service temperature taking into account additional influences of the process conditions
(T ), (T +20 K).
a,min a,max
Optional specification, ID Jx (Test, Certificate) = JN
Continuous service temperature of the connecting cable: –50 °C to ≥ +85 °C; in accordance with the
range of service temperature taking into account additional influences of the process conditions
(T ), (T +20 K).
a,min a,max
Basic specification, Position 4 (Display, Operation) = N
Observe the requirements according to IEC/EN 60079-14 for conduit systems and the wiring- and
installation instructions of the suitable Safety Instructions (XA). In addition, observe national
regulations and standards for conduit systems.
Intrinsic safety
Ex ic
Basic specification, Position 1, 2 (Approval) = BH, IH
• The device is only suitable for connection to certified, intrinsically safe equipment with explosion
protection Ex ic.
• If the conditions U > U , (I
i o
installation concept (Ex ic) allows energy-limited devices or associated energy-limited devices to
be connected according to the entity concept.
• The intrinsically safe input power circuit of the device is isolated from ground. If the device is only
equipped with one input, the dielectric strength of the input is at least 500 V
equipped with more than one input, the dielectric strength of each individual input to ground is at
least 500 V , and the dielectric strength of the inputs vis-à-vis one another is also at least
rms
500 V .
rms
• Observe the pertinent guidelines when interconnecting intrinsically safe circuits.
• The device can be connected to the Endress+Hauser FXA291 service tool: refer to the Operating
Instructions and specifications in the "Overvoltage protection" chapter.
Micropilot FMR50/51/52/53/54/56/57
> I ), C > C + C and L
i o a i cable a
> L + L are met, the energy-limited
i cable
. If the device is
rms
Endress+Hauser
3
4
5
A0022629