Watlow PM LEGACY™ Limit Controller  •  3  •  Table of Contents
TC
Table of Contents ..............................................3
Chapter 1: Overview  ...........................................6
  Available PM LEGACY™ Limit Literature and Resources .............6
  Introduction .................................................6
  Feature Benefits   ............................................6
  A Conceptual View of the PM  ..................................7
  Overview .................................................7
  Inputs  ...................................................7
  Internal Functions ..........................................8
  Outputs ..................................................8
  Input Events and Output Events ..............................10
Chapter 2: Install & Wiring .....................................12
 Installation .................................................12
  Dimensions ................................................14
  1/32 DIN (PM3) ...........................................14
  1/32 DIN (PM3) Recommended Panel Spacing ..................14
  1/16 DIN (PM6)   ..........................................15
  1/16 DIN (PM6) Recommended Panel Spacing ..................15
     Wiring  ..................................................16
 Chapter 3: Keys and Displays ............................34
   Responding to a Displayed Message ...........................35
Chapter 4: Home Page ........................................36
Changing the Set Point ......................................38
Modifying the Home Page  ...................................38
Modifying the Display Pairs  ..................................38
Conventions Used in the Menu Pages ..........................40
Display ...................................................40
Communication Protocols ....................................41
Modbus Introduction to the Modbus Protocol ....................41
Profibus DP ...............................................42
Chapter 5: Operations Page ...................................43
Analog Input Menu .........................................44
Digital Input/Output Menu ....................................45
Limit Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Alarm Menu ...............................................46
Chapter 6: Setup Page ........................................48
Analog Input Menu .........................................51
Digital Input/Output Menu ....................................54
Limit Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Output Menu ..............................................60
Alarm Menu ...............................................60
Function Key ..............................................64
Global Menu ..............................................65
Communications Menu ......................................66
Table of Contents