Table of Contents
Short Instructions . . . . . . . front cover
Notes on Safety . . . . . . . . . . . . . 3
1 Introduction . . . . . . . . . . . . . . 5
1.1 Application . . . . . . . . . . . . . . . 6
1.2 Measuring system . . . . . . . . . . . . 7
1.3 Measuring principle . . . . . . . . . . . . 8
1.4 Functional description . . . . . . . . . . . 9
1.5 Technical data . . . . . . . . . . . . . 10
2 Installation . . . . . . . . . . . . . . 12
2.1 Probes and sensors . . . . . . . . . . . 13
2.2 Prolevel FMC 661 installation . . . . . . . 14
2.3 Transmitter wiring . . . . . . . . . . . . 15
2.4 Sensor connection . . . . . . . . . . . 16
2.5 Rackbus RS-485 option . . . . . . . . . 18
3 Controls . . . . . . . . . . . . . . . 19
3.1 Operating matrix . . . . . . . . . . . . 19
3.2 Keyboard and display . . . . . . . . . . 20
3.3 Commulog VU 260 Z . . . . . . . . . . 21
3.4 Rackbus RS-485 (option) . . . . . . . . 22
4 Level Measurement . . . . . . . . . . 23
4.1 Commissioning . . . . . . . . . . . . 23
4.2 Calibration . . . . . . . . . . . . . . 24
4.3 Analogue Outputs . . . . . . . . . . . 30
4.4 Relays . . . . . . . . . . . . . . . . 32
4.5 Measured value display . . . . . . . . . 34
4.6 Parameter locking . . . . . . . . . . . 34
5 Level Measurement with Limit Switch . . 35
5.1 Level measurement with automatic calibration
correction . . . . . . . . . . . . . . . 36
5.2 External limit switch . . . . . . . . . . . 39
6 Trouble-Shooting . . . . . . . . . . . 40
6.1 Fault recognition . . . . . . . . . . . . 40
6.2 Incorrect measurements . . . . . . . . . 42
6.3 Simulated operating mode . . . . . . . . 43
6.4 Exchanging transmitters and sensors . . . . 44
6.5 Repairs . . . . . . . . . . . . . . . . 45
7 Appendix . . . . . . . . . . . . . . . 46
7.1 Calibration and linearisation in volume units . 46
Index . . . . . . . . . . . . . . . . 48
Operating matrix . . . . . . . back cover
Prolevel FMC 661 Table of Contents
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