Cooper Instruments & Systems DFI 250X Digital Weight Indicator User Manual
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CF 147
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version 1.1
CONTENTS
1.0 INTRODUCTION.......................................................................................................................................1
1.1 Overview.................................................................................................................................................. 1
1.2 Approvals (for trade versions only) ..................................................................................................... 1
1.3 The Manuals Set..................................................................................................................................... 1
1.4 Document Conventions......................................................................................................................... 1
2.0 SPECIFICATIONS....................................................................................................................................2
3.0 INSTALLATION ........................................................................................................................................2
3.1 Introduction............................................................................................................................................. 2
3.2 General Warnings................................................................................................................................... 3
3.3 Electrical Safety...................................................................................................................................... 3
3.4 Cleaning................................................................................................................................................... 3
3.5 Panel Mount Template ........................................................................................................................... 3
3.6 Cable Connections................................................................................................................................. 3
3.7 DC Power (DC PWR +, DC PWR –) ....................................................................................................... 3
3.8 Load Cell Connection ............................................................................................................................ 4
3.8.1 Load Cell Signals and Scale Build ........................................................................................... 4
3.8.2 4-Wire Connection...................................................................................................................... 4
3.8.3 6-Wire Connection...................................................................................................................... 4
3.9 Auxiliary Connections ........................................................................................................................... 5
3.9.1 RS-232 Serial .............................................................................................................................. 5
3.9.2 Remote Input............................................................................................................................... 5
3.9.3 Outputs........................................................................................................................................ 6
3.10 GSE-LINK (Optional)............................................................................................................................ 6
3.11 Connecting Shields.............................................................................................................................. 7
3.11.1 Cable Shield Connection and Earthing ................................................................................. 7
3.12 Regulatory Sealing Requirements ..................................................................................................... 8
4.0 DATA ENTRY............................................................................................................................................8
4.1 Editing Annunciators............................................................................................................................. 8
4.2 Numeric Entry......................................................................................................................................... 8
4.3 Selections and Options ......................................................................................................................... 9
5.0 BASIC OPERATION ................................................................................................................................9
5.1 Display and Controls ............................................................................................................................. 9
5.1.1 Front Panel: Visual Display....................................................................................................... 9
5.2 Operation Keys ..................................................................................................................................... 10
5.2.1 Primary Function...................................................................................................................... 10
5.2.2 Editing Function ....................................................................................................................... 10
5.3 Stability Considerations...................................................................................................................... 10
5.4 POWER Key.......................................................................................................................................... 10
5.4.1 Automatic Operation................................................................................................................ 11
5.5 ZERO Key.............................................................................................................................................. 11
5.6 TARE Key.............................................................................................................................................. 11
5.7 GROSS/NET Key................................................................................................................................... 11
5.7.1 GSE-LINK Activation................................................................................................................ 11
5.8 PRINT Key............................................................................................................................................. 11
5.9 FUNCTION Key..................................................................................................................................... 11
6.0 CONFIGURATION ISSUES..................................................................................................................12
6.1 General Setup Information.................................................................................................................. 12
6.2 Basic Weighing Terminology.............................................................................................................. 12
6.3 Filtering Techniques............................................................................................................................ 13