6Operation .................................................................................................. 27
6.1 Operating elements............................................................................................................ 27
6.1.1 Overview of the keypad........................................................................................................ 28
6.1.2 Overview of display.............................................................................................................. 29
6.2 Operation ............................................................................................................................ 30
6.2.1 Weighing.............................................................................................................................. 30
6.2.1.1 Underfloor weighing ........................................................................................................................... 31
6.2.1.2 Tare weighing (tare)........................................................................................................................... 32
6.2.2 Piece counting (excl. model KERN EW120-4NM) ............................................................... 34
6.2.2.1 Add mode........................................................................................................................................... 36
6.2.3 Percent weighing (excl. model KERN EW120-4NM) ........................................................... 38
6.2.4 Weighing using a tolerance range (excl. model KERN EW120-4NM)................................ 39
6.2.4.1 Basic settings when weighing using a tolerance range...................................................................... 40
6.2.4.2 Entering the limit values by weighing................................................................................................. 42
6.2.4.3 Entering the limit values using the keyboard...................................................................................... 44
7Functions.................................................................................................. 46
7.1 Access and changing of numerous functions:............................................................... 46
7.2 List of the function parameters ........................................................................................ 47
7.2.1 Parameters when weighing with a tolerance range (excl. model KERN EW120-4NM)...... 49
7.2.2 Parameters for the serial interface....................................................................................... 50
8Data output ............................................................................................... 51
8.1 Description of the serial data output (RS 232C).............................................................. 51
8.2 Technical data of the interface ......................................................................................... 51
8.3 Interface description.......................................................................................................... 52
8.4 Data Output......................................................................................................................... 52
8.4.1 Data Transmission Formats................................................................................................. 52
8.4.2 Algebraic sign....................................................................................................................... 52
8.4.3 Data...................................................................................................................................... 52
8.4.4 Units ..................................................................................................................................... 53
8.4.5 Result of the evaluation / Type of data................................................................................. 53
8.4.6 Data state............................................................................................................................. 53
8.5 Data input commands........................................................................................................ 54
8.5.1 Command input format......................................................................................................... 54
8.5.2 External taring command ..................................................................................................... 54
8.5.3 External control commands.................................................................................................. 54
8.6 Feedback message after data transmission.................................................................... 55
9Maintenance, upkeep, disposal .............................................................. 55
9.1 Cleaning .............................................................................................................................. 55
9.2 Maintenance, upkeep......................................................................................................... 55
9.3 Disposal .............................................................................................................................. 55
10 Troubleshooting....................................................................................... 56
11 Declaration of Conformity ....................................................................... 57