Connecting The Measuring Unit - Endress+Hauser Levelflex M FMP45 Operating Instructions Manual

Wiring
F12 housing
1 2 3
sealed terminal
compartment
28
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.
4
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 25.
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
Standard, EEx ia, IS
EEx em, EEx nA
Terminals
for wire cross-sections of 0.5...2.5 mm
T12 housing
1 2 3 4
Type Clamping area
Plastic M20x1.5 5...10 mm
Metal M20x1.5 7...10.5 mm
2
Levelflex M FMP45 with HART/4...20 mA
F23 housing
1 2 3
Endress + Hauser
4
L00-FMR2xxxx-04-00-00-en-019