Watlow 8LS Controller - Manual (Page 3)

8LS User’s Guide i
Contents
Overview 1
System Diagram.....................................................................2
Parts List ..........................................................................2
Safety .....................................................................................3
Introduction 5
Specifications.........................................................................7
Analog Inputs...................................................................7
Control Capability............................................................8
Digital Outputs.................................................................8
Digital Inputs ...................................................................8
Pulse Counting Input .......................................................8
Serial Interface .................................................................8
Power Supply ...................................................................8
Installation 9
Read This Before Installation ................................................10
Mounting The 8LS.................................................................11
External Wiring................................................................13
General Wiring Requirements .........................................13
Cable Recommendations .................................................15
Noise Suppression............................................................16
Terminal Block And Connector Layout ..........................18
RTB Connections.............................................................19
Analog Inputs...................................................................20
Input Scaling ..........................................................................21
Resistor Installation .........................................................22
Voltage Inputs..................................................................23
Milliamp Inputs................................................................23
Thermocouple Inputs .......................................................23
RTD Inputs ......................................................................24
Infrared Non-contact Temp. Sensors ...............................24
Pulse Input .......................................................................25
Carbon Probe Input ..........................................................25
Control Outputs......................................................................27
PID Output Termination TB (Primary) or
Flat Ribbon (Secondary) ..................................................27