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Contents
Overview
General Information 04
Service Concept 04
Information 04
Overview of the Models 05
Auxiliary Service Tools and Equipment 05
Accompanying Literature 06
Description of the Equipment
Indicators 07
Function of the Switches 08
Menu Access Switch 08
Repairing the Midrics Indicator
Repairing the Indicator 09
Replacing the Front Panel 10
Blank Display 11
Replacing the Power Cable 11
Replacing the Power PCB 12
Points of Measurement 13
Replacing the Main PCB 14
Quick-test of the A/D Converter 14
Pin Assignment Chart 14
Replacing the Main PCB 15
Terminal Assignments in Midrics Indicators 16
Interface Description 17
RS-232 Interface 17
RS-485 Interface 17
RS-485 Analog Interface 17
Digital I/O Interface 18
COM1 Interface With and Without Clock Chip 18
Adjusting the Weighing Platform
Adjusting the Weighing Platform 19
Junction Box 1 20
Pin Assignments in the Junction Box 1 21
Junction Box 2 22
Cable from the Load Cell
to the Junction Box 2 (Terminals) 23
Cable from the Load Cell
to the Junction Box (Terminals) 24
Adjusting the Off-center Load 26
Setting the Overload Stops 27
1. Weighing Platforms with One Load Cell: Steel 27
2. Weighing Platforms with Four Load Cells: Steel 27
3. Weighing Platforms with One Load Cell:
Stainless Steel 28
4. Weighing Platforms with Four Load Cells:
Stainless Steel 28
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