Watlow MLS User Manual
Page 10
Contents
MLS User’s Guide
iv
Heat/Cool Output Override........................................... 85
Heat/Cool Nonlinear Output Curve .............................. 86
Setup Loop Alarms ............................................................. 87
Alarm Types ................................................................ 88
Alarm Delay.................................................................. 90
High Process Alarm Setpoint........................................ 91
High Process Alarm Type............................................. 91
High Process Alarm Output Number............................ 91
Deviation Band Value................................................... 92
High Deviation Alarm Type ......................................... 92
High Deviation Alarm Output Number ........................ 93
Low Deviation Alarm Type .......................................... 93
Low Deviation Alarm Output Number ......................... 93
Low Process Alarm Setpoint ........................................ 94
Low Process Alarm Type ............................................. 94
Low Process Alarm Output Number ............................ 94
Alarm Deadband ........................................................... 95
Loop Alarm Delay ........................................................ 95
Manual I/O Test .................................................................. 96
Digital Input Testing ..................................................... 97
Keypad Test .................................................................. 97
Test Digital Output ....................................................... 97
Toggle Digital Output ................................................... 98
Tuning and Control....................................................99
Introduction......................................................................... 99
Control Modes .................................................................... 99
On/Off Control.............................................................. 99
Proportional Control ..................................................... 100
Proportional and Integral Control ................................. 101
Proportional, Integral and Derivative Control .............. 101
Digital Output Control Forms....................................... 102
Setting Up and Tuning PID Loops ..................................... 104
Proportional Band (PB) Settings................................... 104
Integral Term (TI) Settings ........................................... 105
Derivative Term (TD) Settings ..................................... 105
General PID Constants........................................................ 106
Proportional Band Only (P) .......................................... 106
Proportional with Integral (PI)...................................... 106
PI with Derivative (PID)............................................... 106
Troubleshooting..........................................................109
Manual Controller Reset ............................................... 109
Returning your Unit to ANAFAZE .............................. 110