Document Outline

• Cover
• Warranty
• Table of Contents
• List of Figures
• List of Tables
• System Overview
  • Manual Contents
  • Getting Started
    • Safety Symbols
    • Initial Inspection
  • Product Features
  • D8 Parts List
  • Technical Description
    • D8
    • TB50
    • D8 Cabling
  • Safety
    • External Safety Devices
    • Power-Fail Protection
• Installation
  • Typical Installation
  • Mounting Controller Components
    • Recommended Tools
    • Mounting the Controller
    • Mounting the TB50
    • Mounting the Power Supply
    • Mounting the Dual DAC or Serial DAC Module
  • System Wiring
    • Wiring Recommendations
    • Noise Suppression
    • Ground Loops
  • Power Connections
    • Wiring the Power Supply
    • Connecting the TB50 to the D8
  • Testing the System
    • TB50 or TB18 Test
    • Digital Output Test
    • Digital Input Test
  • Sensor Wiring
    • Input Wiring Recommendations
    • Thermocouple Connections
    • RTD Input Connections
    • Voltage Input Connections
    • Current Input Connections
  • Wiring Control and Digital I/O
    • Output Wiring Recommendations
    • Cable Tie Wraps
    • Digital Outputs
    • Digital Inputs
    • TB18 Connections
    • TB50 Connections
  • Analog Outputs
    • Wiring the Dual DAC
    • Wiring the Serial DAC
  • Connecting the D8 to a DeviceNet Network
    • Connector Type
    • Pinout
    • Network Length
    • Baud Rate (Data Rate)
    • Node Address (MAC ID)
    • Status Indicators
• Communicating by DeviceNet
  • Accessing Data with a DeviceNet Master
    • Software
    • About The Electronic Data Sheet (EDS)
    • Configuring a D8 Using RSNetWorx
    • Registering the D8 without an EDS File
    • Registering the D8 with the Watlow EDS File
  • Mapping Polled I/O Data
    • Adding the D8 to the Master's Scanlist
    • Assigning PLC Addresses
  • Sample Ladder Logic
    • Accessing Polled I/O Data
    • Setting a Value with an Explicit Message
    • Reading a Value with an Explicit Message
  • Setting Parameters via DeviceNet
    • Non-Numeric Settings
    • Bit-Wise Values
    • Decimal Placement for Numeric Values
    • Decimal Placement for Percentage Values
  • D8 DeviceNet Overview
    • Master/Slave Connections
    • Addressing
    • Data Types
  • DeviceNet Objects
    • Identity Object
    • Message Router Object
    • DeviceNet Object
    • Assembly Object
    • Connection Object
    • Input Object
    • Output Object
    • Control Object
    • Alarm Object
    • PV Retransmit Object
    • Ratio Object
    • Cascade Object
    • Global Object
• Operation and Setup
  • General Navigation Map
  • Keypad
  • Displays
    • Loop Display
    • Alarm Displays
    • Job Display
  • Changing the Set Point
    • How to Manually Change the Set Point
    • Other Methods of Changing the Set Point
  • Changing the Control Mode and Output Power
  • Accessing and Navigating the Setup Menus
    • How to Access the Setup Menus
    • How to Edit a Setup Parameter
  • Setting Up Closed-Loop Control
    • Feedback
    • Control Algorithm
    • Control Output Signal Forms
    • Heat and Cool Outputs
    • How to Set Up Closed-Loop Control
  • Setting Up a Process Input
    • Input Scaling
    • Input Scaling Example: 4 to 20 mA Sensor
    • Input Scaling Example: 0 to 5 Vdc Sensor
  • Autotuning
    • How Does Autotuning Work?
    • Prerequisites
    • How to Autotune a Loop
  • Setting Up Alarms
    • Failed Sensor Alarms
    • Process Alarms
    • Global Alarm
  • Setting Up Process Variable Retransmit
    • How to Set Up Process Variable Retransmit
    • Process Variable Retransmit Example: Data Logging
  • Setting Up Cascade Control
    • How the Secondary Set Point is Determined
    • Proportional-Only Control on the Primary Loop
    • How To Set Up Cascade Control
    • Cascade Control Example: Water Tank
  • Setting Up Ratio Control
    • How to Set Up Ratio Control
    • Ratio Control Example: Diluting KOH
  • Setting Up Differential Control
    • How to Set Up Differential Control
    • Differential Control Example: Thermoforming
  • Setting Up Remote Analog Set Point
    • How to Set Up a Remote Analog Set Point
    • Remote Analog Set Point Example: Changing a Set Point with a PLC
• Tuning and Control
  • Control Algorithms
    • On/Off Control
    • Proportional Control (P)
    • Proportional and Integral Control (PI)
    • Proportional, Integral and Derivative Control (PID)
    • Heat and Cool Outputs
  • Setting Up and Tuning PID Loops
    • Proportional Band Settings
    • Integral Settings
    • Derivative Settings
  • General PID Constants by Application
    • Proportional Band Only (P)
    • Proportional with Integral (PI)
    • Proportional and Integral with Derivative (PID)
  • Control Outputs
    • Output Control Signals
    • Output Filter
    • Reverse and Direct Action
• Menu and Parameter Reference
  • Operator Parameters
    • Set Point
    • Mode
    • Heat/Cool Output
    • Process Variable
  • Overview of the Setup Menus
  • Global Setup Menu
    • Load Setup From Job
    • Save Setup As Job
    • BCD Job Load
    • BCD Job Load Logic
    • Mode Override
    • Mode Override Digital Input Active
    • Power Up Alarm Delay
    • Power Up Loop Mode
    • Keypad Lock
    • Thermocouple Short Alarm
    • AC Line Frequency
    • Digital Output Alarm Polarity
    • MAC ID
    • Baud Rate
    • Module LED
    • Network LED
    • Bus Off Count
    • Model and Firmware Version
  • Input Menu
    • Input Type
    • Loop Name
    • Input Units
    • Calibration Offset
    • Reversed Thermocouple Detection
    • Display Format
    • Input Range High
    • Input High Signal
    • Input Range Low
    • Input Low Signal
    • Input Filter
  • Control Menu
    • Heat/Cool Proportional Band
    • Heat/Cool Integral
    • Heat/Cool Derivative
    • Heat/Cool Manual Reset
    • Heat/Cool Filter
    • Hysteresis
    • Restore Automatic Mode
  • Output Menu
    • Heat/Cool Output Type
    • Heat/Cool Cycle Time
    • Heat/Cool SDAC Signal
    • Heat/Cool SDAC Low Signal
    • Heat/Cool SDAC High Signal
    • Heat/Cool Action
    • Heat/Cool Power Limit
    • Heat/Cool Power Limit Time
    • Sensor Fail Heat/Cool Output
    • Open Thermocouple Heat/Cool Output Average
    • Heat/Cool Output Curve
  • Alarms Menu
    • Alarm High Set Point
    • Alarm High Function
    • Alarm High Output
    • High Deviation Value
    • High Deviation Function
    • High Deviation Output
    • Low Deviation Value
    • Low Deviation Function
    • Low Deviation Output
    • Alarm Low Set Point
    • Alarm Low Function
    • Alarm Low Output
    • Alarm Hysteresis
    • Alarm Delay
  • Process Variable Retransmit Menu
    • Heat/Cool Output Retransmit
    • Heat/Cool Retransmit Low Process Variable
    • Heat/Cool Retransmit High Process Variable
  • Cascade Menu
    • Cascade Primary Loop
    • Cascade Low Set Point
    • Cascade High Set Point
  • Ratio Menu
    • Ratio Master Loop
    • Ratio Low Set Point
    • Ratio High Set Point
    • Control Ratio
    • Ratio Set Point Differential
  • I/O Tests Menu
    • Digital Inputs
    • Keypad Test
    • Display Test
    • Test Digital Output 1 to 20
  • Parameters Only Available via Communications
    • Alarm Acknowledge
    • Alarm Enable
    • Alarm Function
    • Alarm Status
    • Ambient Sensor Reading
    • Heat/Cool Output Action for Watchdog Inactivity Fault
• Troubleshooting and Reconfiguring
  • When There is a Problem
    • Returning a Unit
  • Troubleshooting the Controller
    • Process Alarms
    • Ambient Warning
    • Failed Sensor Alarms
    • System Alarms
    • Other Behaviors
  • Reading the DeviceNet Indicator Lights
  • Corrective and Diagnostic Procedures
    • Low Power
    • Battery Dead
    • H/W Error: Gain or Offset
    • H/W Error: Ambient
    • Keys Do Not Work
    • Checking Analog Inputs
    • Earth Grounding
    • Testing Control Output Devices
    • Testing the TB18 and TB50
    • Testing Control and Digital Outputs
    • Testing Digital Inputs
  • Clearing the RAM
  • Replacing the Flash Memory Chip
  • Installing Scaling Resistors
    • Input Circuit
    • Current Inputs
    • Voltage Inputs
    • RTD Inputs
    • Scaling and Calibration
  • Configuring Serial DAC Outputs
  • Configuring Dual DAC Outputs
• Specifications
  • System Specifications
    • Physical Specifications
    • Inputs
    • Outputs
  • Power Supply
  • Dual DAC Specifications
    • Dual DAC Inputs
    • Dual DAC Analog Outputs
  • Serial DAC Specifications
    • Serial DAC Inputs
    • Serial DAC Analog Outputs
• Glossary
• Index
• Menu Structure