User's Manual

DRAFT
Micropilot FMR56, FMR57
52 V. 1, Rev. 6, 19-10-2012 Endress+Hauser
Air purge connection
in preparation
Electromagnetic compatibility
(EMC)
Electromagnetic compatibility to all relevant requirements of the EN 61326- series and NAMUR
recommendation EMC (NE21). For details see declaration of conformity.
4)
.
If only the analogue signal is used, unshielded interconnection lines are sufficient for the installation. In case
of using the digital signal (HART/ PA/ FF) use shielded interconnection lines. Use a shielded cable when
working with a digital communications signal.
Max. fluctuations during EMC- tests: < 0.5 % of the span. As an exception to this, the maximum
fluctuations may amount to 2 % of the span for devices with plastic housing and see-through lid (integrated
display and operating module SD02 or SD03) if strong electromagnetic interferences in the frequenency
range of 1 to 2 GHz are present.
4) Can be downloaded from www.endress.com.