Installation manual
900M050U00 Athena Controls, Inc. i
Table of Contents
1. Introduction.............................................................................................. 1-1
1.1 About this Manual..........................................................................................1-1
1.1.1 What It Contains.....................................................................................1-1
1.1.2 What to Read .........................................................................................1-2
1.2 Features and Benefits of Series C Controllers................................................ 1-2
1.2.1 PID and On/Off Control........................................................................... 1-2
1.2.2 Convenient User Interface ......................................................................1-2
1.2.3 Alarm Annunciation.................................................................................1-3
1.2.4 Ease of Configuration .............................................................................1-3
1.2.5 Ramp/Soak Recipes...............................................................................1-3
1.2.6 Serial Communications...........................................................................1-4
1.3 Modes of Operation.......................................................................................1-5
1.3.1 Control Modes........................................................................................1-5
1.3.2 Configuration..........................................................................................1-6
1.4 Security.........................................................................................................1-7
1.5 Control Types Supported...............................................................................1-8
1.5.1 Overview ................................................................................................ 1-8
1.5.2 PID Control............................................................................................. 1-8
1.5.3 On/Off Control ........................................................................................1-9
1.5.3.1 Use of Hysteresis................................................................................ 1-9
1.5.3.2 Use of Deadband ..............................................................................1-10
1.6 Setpoint....................................................................................................... 1-11
1.6.1 Introduction........................................................................................... 1-11
1.6.2 Setpoint from a Recipe ......................................................................... 1-11
1.6.3 Setpoint from a Host Computer............................................................. 1-11
1.6.4 Second Setpoint ...................................................................................1-12
1.6.5 Remote Analog Setpoint....................................................................... 1-12
1.6.6 What Determines Which is the Active Setpoint......................................1-12
1.7 Alarm Annunciation ..................................................................................... 1-13
1.7.1 Using LEDs .......................................................................................... 1-13
1.7.2 Using an Output to Trigger an External Device...................................... 1-14
1.7.2.1 Introduction....................................................................................... 1-14
1.7.2.2 Using Alarm Outputs......................................................................... 1-14
1.7.2.3 Using One or Two Standard Outputs.................................................1-14
1.8 Configuration Sequence Matters.................................................................. 1-16