MKS 649B - Customer Support

Table of Contents
vii
Generic Shielded Cable Description..................................................................11
Product Location and Requirements...............................................................................12
Dimensions .....................................................................................................................13
Front and Back Views........................................................................................13
Side View...........................................................................................................14
Bottom View......................................................................................................15
Setup ...............................................................................................................................16
Fittings...............................................................................................................16
Mounting Hardware...........................................................................................16
Gas Pressure.......................................................................................................16
Installing the Unit ..............................................................................................17
Electrical Information.....................................................................................................18
I/O Connector ....................................................................................................18
Initial Configuration .......................................................................................................20
Chapter Three: Overview............................................................................................................21
General Information........................................................................................................21
Pressure Control Range .....................................................................................21
Flow Range........................................................................................................22
A Typical Control System .................................................................................22
How The 649 Pressure Controller Works.......................................................................23
Flow Measurement Overview.........................................................................................24
Flow Path...........................................................................................................24
Measurement Technique....................................................................................24
Tuning the 649 Pressure Controller................................................................................25
Proportional Term..............................................................................................25
Integral Term .....................................................................................................26
Tuning the 649 Controller .................................................................................27
Priority of Commands.....................................................................................................29
Trip Points ......................................................................................................................30
Action of the Trip Points ...................................................................................30
Applications with a Large Differential Pressure.............................................................31
Labels..............................................................................................................................31
Chapter Four: Operation .............................................................................................................33