Watlow 8LS Controller User Manual
Page 5
8LS User’s Guide iii
Input Type........................................................................54
Pulse Sample Time ..........................................................55
Input Units .......................................................................55
Linear Scaling Menus ......................................................56
Input Offset ......................................................................58
Setup Control Menu...............................................................59
Heat/Cool PB ...................................................................60
Heat/Cool TI ....................................................................60
Heat/Cool TD...................................................................60
Heat/Cool Output Filter ...................................................60
Heat/Cool Spread .............................................................61
Setup Outputs Menu ..............................................................62
Output Type .....................................................................63
Cycle Time.......................................................................63
Output Action ..................................................................64
Output Limit ....................................................................64
Output Limit Time ...........................................................65
Nonlinear Output Curve...................................................65
Heat Output......................................................................66
Setup Alarms..........................................................................67
Alarm Types ....................................................................68
High Process Alarm Setpoint...........................................69
High Process Alarm Status ..............................................69
High Process Alarm Output Number...............................69
Deviation Band Alarm .....................................................70
Deviation Band Alarm Status ..........................................70
High Deviation Alarm Output Number ...........................70
Low Deviation Alarm Output Number ............................71
Low Process Alarm Setpoint ...........................................71
Low Process Alarm Status ...............................................71
Low Process Alarm Output Number ...............................72
Alarm Deadband ..............................................................72
Alarm Delay.....................................................................72
Test I/O ..................................................................................73
Digital Input Testing ........................................................73
Test Output ......................................................................74
Digital Output Test ..........................................................74
Tuning and Control
75
Introduction............................................................................75
Control Modes .......................................................................76
Control Outputs................................................................78
Digital Output Control Forms..........................................78