Watlow CLS User Manual
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Contents
CLS User’s Guide
Inputs ....................................................................................34
Input Scaling ...................................................................34
4 and 8 CLS Scaling Values ...........................................35
16 CLS Scaling Values ...................................................38
Scaling and Calibration ...................................................39
T/C Inputs .......................................................................39
RTD Inputs (4 and 8 CLS only) ......................................40
Current Inputs .................................................................41
Voltage Inputs .................................................................41
Unused Inputs .................................................................41
Back Terminal Block Connections .................................42
Serial Communications .........................................................42
RS-232 Interface .............................................................43
RS-485 Interface .............................................................43
Using the CLS
49
Introduction ...........................................................................49
Front Panel ............................................................................50
Front Panel Keys .............................................................50
Displays ................................................................................53
Bar Graph Display ..........................................................53
Single Loop Display .......................................................54
Alarms .............................................................................56
Job Display ...........................................................................57
Operator Menus ....................................................................58
Change Setpoint ..............................................................58
Manual/Automatic Control .............................................58
Ramp/Soak ......................................................................60
Setup
61
How to Enter the Setup Menus? .....................................61
How to edit a menu? .......................................................61
Set up Global Parameters Menu ...........................................63
Load a Job .......................................................................64
Save Setup to Job ............................................................64
Job Select Inputs .............................................................65
Job Select Input Polarity .................................................65
Output Override Digital Input .........................................66
Output Override Input Polarity .......................................66
Start-up Alarm Delay ......................................................66
Keyboard Lock Status .....................................................67
Power-Up Output Status .................................................67
Controller Address ..........................................................67
Communications Baud Rate ............................................68