Endress+Hauser prolevel FMC 661 - 5 Level Measurement with Limit Switch

5 Level Measurement with Limit Switch
This chapter describes the configuration of the Prolevel FMC 661 operating with an
external limit switch for:
• Level measurement with automatic calibration correction
The external limit switch can also be used for:
• Level measurement on channel 1 with level switching on channel 2
• Level limit switching on channel 2 only
The setting of the analogue output, relays, measured value display and parameter upload
and locking are described in Chapter 4.
V0H0
BA142_43
Corrected
level
measurement
Measured
values
Level
measurement
+ limit switch
Analogue
output
Relays
Correction by
density factor
Parameter lock
5.1 5.2
4.3
4.4
4.5
4.6
External limit
switch only
Fig. 5.1:
Summary: Corrected level
measurement and other
applications with an external limit
switch
Prolevel FMC 661 Chapter 5: Level Measurement with Limit Switch
Endress+Hauser 35