Endress+Hauser Levelflex M FMP40, Operating Instructions Manual

Page: 30 / 92

Wiring Levelflex M FMP40 with HART/4...20 mA
30 Hauser
4.2 Connecting the measuring unit
Connection compartment
Three housings are available:
• Aluminum housing F12 with additionally sealed connection compartment for:
– Standard
– Ex ia
– Dust ignition-proof
• Aluminum housing T12 with separate connection compartment for:
– Standard
– Ex e
– Ex d
– Ex ia (with overvoltage protection)
– Dust ignition-proof
• Stainless steel 316L housing F23 for:
– Standard
– Ex ia
– Dust ignition-proof
L00-FMR2xxxx-04-00-00-en-019
The device data are given on the nameplate together with important information regarding the
analog output and power supply. Housing rotation with regard to the wiring, see "Turning the
housing" on
→
ä
27.
HART load
Minimum load for HART communication: 250
Ω
Ground connection
A good ground connection has to be made to the ground terminal on the outside of the housing in
order to achieve EMC immunity.
Cable gland
Terminals
For wire cross-sections of 0.5 to 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, Ex ia, IS Plastic M20x1.5 5 to 10 mm
Ex em, Ex nA Metal M20x1.5 7 to 10.5 mm