Watlow 8LS Controller - Manual (Page 4)

ii 8LS User’s Guide
PID Control Relay Outputs ..............................................28
Primary Screw Terminal Outputs ....................................28
Digital Outputs On The Screw Terminal Blocks.............29
Primary Analog Outputs ..................................................29
Analog Output Dip Switch Setting
for 0-5v/4-20mA ..............................................................30
CPU Dip Switch...............................................................31
Secondary Outputs 50 Pin Ribbon Cable ........................31
Communications Set-up and Connections .............................33
RS-232 Connections........ ................................................33
RS-485 Description And Connections.............................34
Using the 8LS 37
Front Panel .............................................................................37
Front Panel Keys..............................................................38
Displays .................................................................................40
Bar Graph Display ...........................................................40
Single Loop Display ........................................................41
Scanning Display .............................................................41
Alarm Display..................................................................41
Operator Menus .....................................................................43
Changing the Setpoint......................................................43
Selecting Status Mode .....................................................43
Autotune...........................................................................44
Ramp/Soak.......................................................................44
Setup 45
How to enter the Setup menus? .......................................45
How to edit a menu? ........................................................45
Setup Global Parameters Menu .............................................47
Save as Job.......................................................................48
Restore a Job ....................................................................48
Set Alarm Delay...............................................................48
Set R/S Time Base ...........................................................49
Lock Panel .......................................................................49
Power Up Output Status ..................................................49
Controller Address ...........................................................50
Communication Error Checking ......................................50
Communication Baud Rate ..............................................51
Communication Protocol .................................................51
AC Line Frequency..........................................................51
EPROM Version ..............................................................52
Setup Inputs Menu .................................................................53