List of Figures

1 System Overview

Figure 1.1—D8 Standard Parts List 5

Figure 1.2—D8 Special Inputs Parts List 6

Figure 1.3—D8 Rear Views 6

Figure 1.4—D8 Front Panel 7

Figure 1.5—TB50 8

2 Installation

Figure 2.1—D8 System Components 12

Figure 2.2—Module Dimensions and Clearance 14

Figure 2.3—Wiring Clearances 14

Figure 2.4—Mounting Bracket 15

Figure 2.5—Mounting the TB50 16

Figure 2.6—TB50 Mounted on a DIN Rail (Front) 16

Figure 2.7—TB50 Mounted on DIN Rail (Side) 17

Figure 2.8—Mounting a TB50 with Standoffs 17

Figure 2.9—D8 Power Supply Mounting Bracket 18

Figure 2.10—Dual DAC and Serial DAC Dimensions 19

Figure 2.11—D8 Series Controller with TB50 23

Figure 2.12—Power Connections with the D8 Power Supply 25

Figure 2.13—Thermocouple Connections 29

Figure 2.14—RTD Connections 30

Figure 2.15—Voltage Signal Connections 30

Figure 2.16—Current Signal Connections 30

Figure 2.17—Digital Output Wiring 32

Figure 2.18—Sample Heat, Cool and Alarm Output Connections 33

Figure 2.19—Output Connections Using External Power Supply 34

Figure 2.20—TB50 Watchdog Timer Output 34

Figure 2.21—TB18 Watchdog Timer Output 34

Figure 2.22—Wiring Digital Inputs 35

Figure 2.23—Dual DAC with Current Output 38

Figure 2.24—Dual DAC with Voltage Output 39

Figure 2.25—Single/Multiple Serial DACs 40

Figure 2.26—DeviceNet Connector 40

Figure 2.27—DeviceNet Connector 41

Figure 2.28—Pinout 41

Figure 2.29—D8 Side with Rotary Switches 43

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List of Figures Series D8 User’s Guide

3 Communicating by DeviceNet

Figure 3.1—RSNetWorx On-line with Found Devices 47

Figure 3.2—The D8 Registered in RSNetWorx 48

Figure 3.3—D8 Properties in RSNetWorx 49

Figure 3.4—Parameters Tab 50

Figure 3.5—Adding the D8 to the Scanlist 51

Figure 3.6—Scanner Input Properties 52

Figure 3.7—Advanced Mapping Dialog Box 53

Figure 3.8—Using Scanned Data in Logic 54

Figure 3.9—Contents of the PLC Memory 55

Figure 3.10—Explicit Write in Ladder 56

Figure 3.11—Explicit Read in Ladder 58

Figure 3.12—D84 Produced Static Input 65

Figure 3.13— D84 Consumed Static Output 65

Figure 3.14—D88 Produced Static Input 65

Figure 3.15—D88 Consumed Static Output 66

4 Operation and Setup

Figure 4.1—General Navigation Map 78

Figure 4.2—Keypad Navigation 79

Figure 4.3—Loop Display 80

Figure 4.4—Loop Display with Alarm Code 81

Figure 4.5—Display for Failed Sensor Alarm 81

Figure 4.6—Input Scaling 89

Figure 4.7—Activation and Deactivation of Process Alarms 96

Figure 4.8—Application Using Process Variable Retransmit 99

Figure 4.9—Secondary Set Point When Primary Loop Has Heat and Cool Outputs

101

Figure 4.10—Secondary Set Point When Primary Loop Has Heat Output Only 101

Figure 4.11—Example Application Using Cascade Control 103

Figure 4.12—Relationship of Secondary Loop Set Point to Primary Loop Process

Variable in Cascade Example 104

Figure 4.13—Relationship Between the Process Variable on the Master Loop and the

Set Point of the Ratio Loop 105

Figure 4.14—Application Using Ratio Control 106

5 Tuning and Control

Figure 5.1—On/Off Control 112

Figure 5.2—Proportional Control 113

Figure 5.3—Proportional and Integral Control 113

Figure 5.4—Proportional, Integral and Derivative Control 114

Figure 5.5—Time Proportioning and Distributed Zero Crossing Waveforms 118

6 Menu and Parameter Reference

Figure 6.1—Operator Parameter Navigation 121

Figure 6.2—Setup Menus and Parameters 124

Figure 6.3—Linear and Nonlinear Outputs 143

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Series D8 User’s Guide

7 Troubleshooting and Reconfiguring

Figure 7.1—Removal of Electronics Assembly from Case 170

Figure 7.2—Screw Locations on PC Board 171

Figure 7.3—Location of Flash Memory Chip 171

Figure 7.4—Input Circuit 173

Figure 7.5—Serial DAC Voltage and Current Jumper Positions 176

Figure 7.6—Dual DAC 177

8 Specifications

Figure 8.1—D8 Module Dimensions 180

Figure 8.2—Module Dimensions and Clearance 181

Figure 8.3—TB50 Dimensions 182

Figure 8.4—TB50 Dimensions with Straight SCSI Cable 183

Figure 8.5—TB50 Dimensions with Right-Angle SCSI Cable 184

Figure 8.6—Power Supply Dimensions (Bottom View) 190

Figure 8.7—Dual DAC Dimensions 191

Figure 8.8—Serial DAC Dimensions 193

Glossary

Index

Menu Structure

List of Figures

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List of Figures Series D8 User’s Guide xii Watlow Anafaze Doc. 0600-3120-2000