Endress+Hauser micropilot S FMR 530 Mode D'emploi page 8

XA 081F-A
Hazardous area
1 2 3 4 5
Micropilot S
FMR 53x-
Tank
Hazardous
area
Zone 0
Bild 1
Hazardous area
≤1000 mm *
e.g. armoured hose *
1 2 3 4 5
Micropilot S
FMR 53x-
Equipotential bonding* )
Tank
Hazardous
area
Zone 0
Bild 2
For notes on screening and installation with associated apparatus (Tank Side Monitor NRF 590) see associated Operating
Manual (BA).
2
Micropilot S
FMR 53x-
Tank
Hazardous
area
Zone 1
local potential bonding
Installation with additional overvoltage protector
Separate housing with
overvoltage protector
e.g. HAW 262 Z
2 1
2
1
2 1
2
1
Equipotential
bonding
Plant equipotential bonding system (here German practice)
EX EX
1 2 3 4 5
EX
EX
Metal housing*
Cable with
screening or
metal sheath
Non hazardous area
–
Certified associated apparatus
+
(supply circuit)
–
Certified associated apparatus
+
(signal circuit)
–
Certified associated apparatus
+
(supply circuit)
–
Certified associated apparatus
+
(signal circuit)
Non hazardous area
–
Certified associated apparatus
+
(supply circuit)
–
Certified associated apparatus
+
(sgnal circuit)
* Must satisfy the requirements of
EN 60 079-14 for intrinsically safe circuits
in Zone 0, if the risk of dangerously high
potential differences within Zone 0 exists,
e.g. by the occurance of atmospheric
electrical discharge.
Micropilot S
XA081F-A
XA081F-A
Endress+Hauser