manuais Watlow Series D8

Watlow Series D8 Manual do Utilizador (232 páginas)

Marca: Watlow | Categoria: Sensores | Tamanho: 2.44 MB |

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Series D8

1

User’s Guide

1

Warranty

2

Table of Contents

3

4 Operation and Setup 77

5

5 Tuning and Control 111

6

8 Specifications 179

8

Glossary 197

9

Index 205

9

Menu Structure 213

9

List of Figures

11

List of Tables

15

8 Specifications

17

System Overview

19

Getting Started

20

Product Features

20

D8 Parts List

23

D8x0-0000-xx0x

23

Technical Description

24

D8SI _ _ - _ _ - _ _

24

Front Panel Description

25

Figure 1.4 D8 Front Panel

25

D8 Cabling

26

External Safety Devices

26

Power-Fail Protection

27

Installation

29

Typical Installation

30

Recommended Tools

31

Mounting the Controller

31

Figure 2.3 Wiring Clearances

32

Figure 2.4 Mounting Bracket

33

Mounting the TB50

34

Mounting with Standoffs

35

Mounting the Power Supply

36

Mounting

37

Dimensions

37

System Wiring

38

Noise Suppression

39

Ground Loops

40

Power Connections

41

Table 2.2 Power Connections

42

Connecting the TB50 to the D8

43

Testing the System

44

Sensor Wiring

45

Input Wiring Recommendations

46

Thermocouple Connections

47

RTD Input Connections

48

Voltage Input Connections

48

Current Input Connections

48

Output Wiring Recommendations

49

Cable Tie Wraps

49

Digital Outputs

49

Stored in the Controller

50

Configuring Outputs

51

Output Connections

51

External Power Supply

52

CPU Watchdog Timer

52

TB18 Connections

54

TB50 Connections

55

Wiring the Serial DAC

57

Connector Type

58

Figure 2.28 Pinout

59

Table 2.8 DeviceNet Connector

59

Network Length

60

Baud Rate (Data Rate)

60

Node Address (MAC ID)

60

Status Indicators

61

Indicator Light Description

62

Communicating by DeviceNet

63

Found Devices

65

Table 3.1 Number of Bytes

66

Mapping Polled I/O Data

68

Assigning PLC Addresses

69

Sample Ladder Logic

71

Size of the message

75

Non-Numeric Settings

76

Bit-Wise Values

77

D8 DeviceNet Overview

78

DeviceNet Objects

79

Message Router Object

80

DeviceNet Object

81

Assembly Object

81

Poll Connection

82

Connection Object

84

Input Object

85

Output Object

86

(Instances 1 to 4 or 8)

87

Control Object

88

Alarm Object

89

PV Retransmit Object

90

Ratio Object

91

Cascade Object

92

Global Object

93

(Instance 1)

94

Operation and Setup

95

Figure 4.2 Keypad Navigation

97

Displays

98

Alarm Displays

99

How to Acknowledge an Alarm

100

System Alarm Messages

100

Job Display

101

Changing the Set Point

102

How to Access the Setup Menus

104

How to Edit a Setup Parameter

104

Control Algorithm

105

Control Output Signal Forms

105

Heat and Cool Outputs

105

Feedback

105

Setting Up a Process Input

106

Figure 4.6 Input Scaling

107

Situation

107

Table 4.4 Input Readings

108

Table 4.5 Scaling Values

108

Autotuning

109

Prerequisites

110

How to Autotune a Loop

110

Setting Up Alarms

111

Thermocouple Open Alarm

112

Thermocouple Reversed Alarm

112

Thermocouple Short Alarm

112

RTD Open and RTD Fail Alarms

112

Process Alarms

113

Alarm High and Alarm Low

114

Deviation Alarms

114

Global Alarm

115

Variable Retransmit

117

Variable Retransmit Example

117

Setting Up Cascade Control

118

Loop Has Heat Output Only

119

How To Set Up Cascade Control

120

Setting Up Ratio Control

122

How to Set Up Ratio Control

123

Loop (Loop 2) in the Example

124

Loop (Loop 2) for the Example

125

Loop (Loop 1) in the Example

126

Tuning and Control

129

On/Off Control

130

Proportional Control (P)

130

Proportional

131

Proportional Band Settings

133

Integral Settings

133

Derivative Settings

134

Proportional Band Only (P)

135

Control Outputs

136

Analog Outputs

137

Output Filter

138

Reverse and Direct Action

138

Menu and Parameter Reference

139

Set Point

140

Heat/Cool Output

140

Overview of the Setup Menus

141

><

142

Global Setup Menu

143

BCD Job Load

144

BCD Job Load Logic

144

Mode Override

145

Power Up Alarm Delay

146

Power Up Loop Mode

146

Keypad Lock

147

AC Line Frequency

147

Digital Output Alarm Polarity

147

Baud Rate

148

Module LED

148

Network LED

148

Bus Off Count

148

Input Menu

149

Loop Name

150

Input Units

150

Calibration Offset

150

Display Format

151

Input Range High

152

Input High Signal

152

Input Range Low

153

Input Low Signal

153

Input Filter

153

Control Menu

154

Heat/Cool Integral

155

Heat/Cool Derivative

155

Heat/Cool Manual Reset

155

Heat/Cool Filter

155

Hysteresis

156

Restore Automatic Mode

156

Output Menu

157

Heat/Cool Cycle Time

158

Heat/Cool SDAC Signal

158

Heat/Cool SDAC Low Signal

158

Heat/Cool SDAC High Signal

158

Heat/Cool Action

159

Heat/Cool Power Limit

159

Heat/Cool Power Limit Time

159

Sensor Fail Heat/Cool Output

160

Alarms Menu

161

Alarm High Output

162

Alarm High Function

162

High Deviation Value

163

High Deviation Function

163

High Deviation Output

163

Low Deviation Value

163

Low Deviation Function

163

Low Deviation Output

164

Alarm Low Set Point

164

Alarm Low Function

164

Alarm Low Output

164

Alarm Hysteresis

165

Alarm Delay

165

Heat/Cool Output Retransmit

166

Cascade Menu

167

Ratio Menu

168

I/O Tests Menu

169

Digital Inputs

170

Keypad Test

170

Display Test

170

Test Digital Output 1 to 20

171

Alarm Acknowledge

171

Alarm Enable

171

Alarm Function

172

Alarm Status

172

Ambient Sensor Reading

173

Inactivity Fault

174

When There is a Problem

175

Returning a Unit

176

Ambient Warning

178

Failed Sensor Alarms

178

System Alarms

178

Other Behaviors

179

Descriptions

180

Low Power

181

Battery Dead

181

H/W Error: Gain or Offset

182

H/W Error: Ambient

183

Keys Do Not Work

184

Checking Analog Inputs

184

Earth Grounding

185

Testing the TB18 and TB50

186

Clearing the RAM

187

Installing Scaling Resistors

190

Current Inputs

191

Voltage Inputs

192

RTD Inputs

193

SERIAL DAC

194

Configuring Dual DAC Outputs

195

Specifications

197

96 mm (3.78 in)

198

Table 8.4 D8 Connections

199

Figure 8.3 TB50 Dimensions

200

Table 8.6 TB50 Connections

200

SCSI Cable

201

Table 8.9 Analog Inputs

203

Resolution

204

Table 8.13 Digital Inputs

205

Power Supply

207

Dual DAC Specifications

209

Dual DAC Inputs

210

Dual DAC Analog Outputs

210

Serial DAC Specifications

211

Serial DAC Inputs

212

Serial DAC Analog Outputs

213

Declaration of Conformity

214

Glossary

215

— A po wer switching

220

68, 132

223

83, 164

225

Index Series D8 User’s Guide

230

Menu Structure

231

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