Fluke 6270A, Service Manual, Page: 3 / 144

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Table of Contents
Title Page
Introduction ............................................................................................ 1
Contact Fluke Calibration ...................................................................... 2
Safety Information ................................................................................. 2
Symbols ................................................................................................. 3
The Product Manual Set ........................................................................ 4
Specifications ........................................................................................ 4
Control Specifications ............................................................................ 6
Pressure Measurement Specifications .............................................. 6
PM200 Modules ................................................................................. 7
PM600 Modules ................................................................................. 8
Theory of Operation .............................................................................. 9
Overview ............................................................................................ 9
Accessories ....................................................................................... 9
Pneumatic and Electrical Configuration ............................................. 9
Pneumatic Interfaces ......................................................................... 11
Over Pressure Protection .................................................................. 11
Electrical ............................................................................................ 13
Module Connector ............................................................................. 14
PCA Overview ................................................................................... 15
Communications / Firmware .............................................................. 16
System Boot ...................................................................................... 17
Software Upgrades ................................................................................ 17
Maintenance .......................................................................................... 18
Access the Module Bay ..................................................................... 18
PMM and PCM Removal ................................................................... 19
Clean the Exterior .............................................................................. 21
Pressure Leakage Test (on-board diagnostics) ................................. 21
Fuse Replacement ............................................................................ 22
Manifold Replacement ....................................................................... 23
Repair and Replacement ....................................................................... 25
Feet and Tilt Stands .......................................................................... 25
Remove and Replace Handles .......................................................... 27
Top Panel .......................................................................................... 29
Module Guide Rails ............................................................................... 30
Communications Tray ........................................................................ 32
The CPU ............................................................................................ 33
PMM Dock Assembly ........................................................................ 35