Uson Qualitek mR - Page 9

Contents v
Comp Offset.......................................................................................................8-27
Temp Comp Parameters.....................................................................................8-27
Verification ........................................................................................................8-28
Stallion Force Decay Tester Model ...............................................................................8-29
Specifications...........................................................................................................8-30
Force Mode Steps ....................................................................................................8-31
Force Mode Details (Run Mode).............................................................................8-32
Vacuum Mode Steps................................................................................................8-33
Vacuum Mode Details (Run Mode).........................................................................8-34
Bar Code Scanner Initial Setup......................................................................................8-35
Internal Clock Battery Replacement..............................................................................8-38
Replacing the Battery in Battery-Holder Models ....................................................8-38
Replacing Soldered-In Batteries ..............................................................................8-39
Pneumatics Operation....................................................................................................8-41
Key Components......................................................................................................8-41
Pressure Change Calc. (Leak Rate) .........................................................................8-45
Pneumatic Signal/Noise Ratio ...........................................................................8-46
Concepts Applicable to Testing.....................................................................................8-47
Terminology Reference .................................................................................................8-52
Chapter 9: QmR Modbus 9-1
Introduction......................................................................................................................9-1
Overview....................................................................................................................9-1
Modbus Communications..........................................................................................9-2
Supported Modbus Functions ....................................................................................9-2
QmR Data Structure for Modbus Access ........................................................................9-3
Modbus ‘Coils’: Discrete Closures............................................................................9-3
Modbus Inputs: Discrete Closures.............................................................................9-3
System Status.............................................................................................................9-4
Test Status..................................................................................................................9-4
Modbus ‘Input Registers’ ................................................................................................9-5
System Setup: Factory Configuration: Tester............................................................9-5
System & Test Status: Closures.................................................................................9-5
System Status: Health ................................................................................................9-6
Test Setup: Specification ...........................................................................................9-6
Test Status: Counters .................................................................................................9-6
Test Status: Statistics .................................................................................................9-7
Test Status: Results....................................................................................................9-8
Test Setup: Inquire Specification...............................................................................9-8
Modbus Holding Registers ............................................................................................9-10
System Control ........................................................................................................9-10