KROHNE MFC 400 - Page 4

CONTENTS
4
www.krohne.com 07/2016 - 4002075804 - MA MFC 400 R04 en
MFC 400
4.8 Description of the inputs and outputs........................................................................................... 30
4.8.1 Current output ...................................................................................................................... 30
4.8.2 Pulse output and frequency output ...................................................................................... 31
4.8.3 Status output and limit switch .............................................................................................. 32
4.8.4 Control input ......................................................................................................................... 33
4.9 Electrical connection of the inputs and outputs ............................................................ 34
4.9.1 Field housing, electrical connection of the inputs and outputs ........................................... 34
4.9.2 Laying electrical cables correctly......................................................................................... 35
4.10 Description of the inputs and outputs.......................................................................... 36
4.10.1 Important notes................................................................................................................... 36
4.10.2 Description of the electrical symbols................................................................................. 37
4.10.3 Modular inputs/outputs and bus systems .......................................................................... 38
4.10.4 Ex i inputs/outputs .............................................................................................................. 46
4.10.5 HART
®
connection .............................................................................................................. 49
5 Start-up 51
5.1 Switching on the power .................................................................................................. 51
5.2 Starting the signal converter ......................................................................................... 51
6 Operation 52
6.1 Display and operating elements .................................................................................... 52
6.1.1 Display in measuring mode with 2 or 3 measured values ................................................... 54
6.1.2 Display for selection of submenu and functions, 3 lines ..................................................... 54
6.1.3 Display when setting parameters, 4 lines ............................................................................ 55
6.1.4 Display when previewing parameters, 4 lines...................................................................... 55
6.1.5 Using an IR interface (option) ............................................................................................... 56
6.2 Menu structure............................................................................................................... 57
6.3 Function tables ............................................................................................................... 61
6.3.1 Menu "Quick Setup" .............................................................................................................. 61
6.3.2 Menu "Test"........................................................................................................................... 63
6.3.3 Menu "Setup" ........................................................................................................................ 65
6.3.4 Set free units......................................................................................................................... 79
6.4 Calibration functions ......................................................................................................80
6.4.1 Zero calibration (C1.1.1 Calibrate Zero) ............................................................................... 80
6.4.2 Density calibration (C1.2.1 Calibrate Density)...................................................................... 82
6.4.3 Temperature/density tables ................................................................................................. 84
6.5 Measurement functions ................................................................................................. 87
6.5.1 Flow (C1.1.0 Flow)................................................................................................................. 87
6.5.2 Density (C1.2.0 Density) ........................................................................................................ 89
6.5.3 System control (C1.4.0 System Control)............................................................................... 90
6.5.4 Detection of 2 phase flow...................................................................................................... 91
6.6 I/O configuration ............................................................................................................. 92
6.6.1 Damp output signals............................................................................................................. 92
6.6.2 Suppress small flow rates.................................................................................................... 92
6.6.3 Polarity of measurement ...................................................................................................... 93
6.6.4 Current output ...................................................................................................................... 93
6.6.5 Alarm signalling via current outputs.................................................................................... 94
6.6.6 Pulse output and batching applications ............................................................................... 94