OHAUS Defender 3000 Series, Service Manual

Page: 3 / 51

Defender 3000 Indicators Service Manual EN-1
TABLE OF CONTENTS
1. INTRODUCTION .......................................................................................................................................... 3
1.1 Definition of Signal Warning and Symbols ................................................................................................. 3
1.1.1 Safety Precautions .............................................................................................................................. 3
1.1.2 Intended Use ....................................................................................................................................... 4
1.2 Service Facilities ........................................................................................................................................ 4
1.3 TOOLS AND TEST EQUIPMENT REQUIRED ......................................................................................... 4
1.3.1 Special Tools and Test Equipment List ............................................................................................... 5
1.3.2 Standard Tools and Test Equipment List ............................................................................................ 5
1.4 Overview of Parts ....................................................................................................................................... 6
1.4.1 Parts of i-DT33P ................................................................................................................................. 6
1.4.2 Parts of i-DT33XW ............................................................................................................................. 6
1.4.3 Main PCB ............................................................................................................................................ 7
1.5 Control Functions ....................................................................................................................................... 8
1.6 External Connections ............................................................................................................................... 10
1.6.1 Battery Power Supply ........................................................................................................................ 10
1.6.2 AC Power to i-DT61XWE .................................................................................................................. 10
1.7 Internal Connections ................................................................................................................................ 11
1.7.1 Load cell connection EasyConnect
TM
Indicator ................................................................................. 11
1.7.2 Load cell connection Non-EasyConnect TM Indicator ......................................................................... 11
1.7.3 RS232 Connection i-DT33P .............................................................................................................. 16
1.7.4 RS232 Connection i-DT33XW .......................................................................................................... 16
1.8 Mounting Bracket ..................................................................................................................................... 17
2 MENU SETTINGS ...................................................................................................................................... 18
2.1 Menu Navigation ...................................................................................................................................... 18
2.2 Button Navigation ..................................................................................................................................... 19
2.3 Calibration Menu ...................................................................................................................................... 20
2.3.1 Initial Calibration ................................................................................................................................ 20
2.3.2 Zero Calibration [
ZErO
] ....................................................................................................................... 20
2.3.3 Span Calibration [
SpaN
] ...................................................................................................................... 21
2.3.4 Linearity Calibration [
LIN
] .................................................................................................................. 21
2.3.5 GEO Adjustment [
GEO
] ....................................................................................................................... 22
2.3.6 Calibration Test [
C.test
] .................................................................................................................... 22
2.3.7 End Cal [
End
] ..................................................................................................................................... 23
2.4 Service Menu ........................................................................................................................................... 23
2.4.1 Ramp [
rAmMP
] ..................................................................................................................................... 23