Wiring Levelflex M FMP41C with HART/4...20 mA
24 Endress + Hauser
4.2 Connecting the measuring unit
Terminal compartment
Three housings are available:
• Aluminium housing F12 with additionally sealed terminal compartment for:
–standard,
– EEx ia.
• Aluminium housing T12 with separate terminal compartment for:
–standard,
– EEx e,
– EEx d
– EEX ia (with overvoltage protection).
• Stainless steel 316L housing F23 for:
–standard,
– EEx ia.
After mounting, the housing can be turned 350° in order to simplify access to the display and the
terminal compartment.
L00-FMR2xxxx-04-00-00-en-019
The instrument data are given on the nameplate together with important information regarding the
analog output and voltage supply. Housing orientation regarding the wiring see "Turn housing" on
→ ä 21.
Load HART
Minimum load for Hart communication: 250 Ω
Ground connection
It is necessary to make a good ground connection to the ground terminal on the outside of the
housing, in order to achieve EMC security.
Cable gland
Terminals
for wire cross-sections of 0.5...2.5 mm
2
1 1
2 2
3 3
4 4
1
2
3
4
sealed terminal
compartment
F12 housing F23 housing
T12 housing
Type Clamping area
Standard, EEx ia, IS Plastic M20x1.5 5...10 mm
EEx em, EEx nA Metal M20x1.5 7...10.5 mm
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