manuais Watlow CPC400

Watlow CPC400 Manual do Utilizador (230 páginas)

Marca: Watlow | Categoria: Sensores | Tamanho: 3.25 MB |

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Índice

CPC400 Series

1

User’s Guide

1

Warranty

2

Table of Contents

3

List of Figures

7

7 Specifications 165

9

List of Tables

11

Values for BCD Job Load

12

System Overview

15

Getting Started

16

Product Features

16

CPC400 Parts List

18

40 _ -1 _ _ _ _ _ _

19

Technical Description

20

CPCSI _ _ - _ _ - _ _

20

Front Panel Description

21

Figure 1.4 CPC400 Front Panel

21

CPC400 Cabling

22

External Safety Devices

23

Power-Fail Protection

24

Installation

25

Typical Installation

26

Recommended Tools

27

Mounting the Controller

27

Figure 2.3 Wiring Clearances

28

Figure 2.4 Mounting Bracket

29

Mounting the TB50

30

Mounting with Standoffs

31

Mounting the Power Supply

32

Mounting

33

System Wiring

34

Noise Suppression

35

Avoiding Noise

36

Power Connections

37

Wiring the Power Supply

38

Testing the System

40

Sensor Wiring

41

Input Wiring Recommendations

42

Thermocouple Connections

42

RTD Input Connections

43

Reference Voltage Terminals

44

Voltage Input Connections

44

Current Input Connections

44

Pulse Input Connections

45

Output Wiring Recommendations

46

Cable Tie Wraps

46

Digital Outputs

46

Stored in the Controller

47

Configuring Outputs

48

Digital Inputs

50

TB18 Connections

51

TB50 Connections

52

Wiring the Serial DAC

54

Serial Communications

55

EIA/TIA-485 Interface

57

Cable Recommendations

58

Connections

58

Signal Common

59

Termination

59

Operation and Setup

61

General Navigation Map

62

Figure 3.2 Keypad Navigation

63

Displays

64

Alarm Displays

65

How to Acknowledge an Alarm

66

System Alarm Messages

66

Job Display

67

Changing the Set Point

68

How to Access the Setup Menus

70

How to Edit a Setup Parameter

70

Feedback

71

Control Algorithm

71

TRU-TUNE+™

71

Control Output Signal Forms

71

Heat and Cool Outputs

71

Input Scaling

72

Figure 3.6 Input Scaling

73

Situation

73

(dc) Sensor

74

Table 3.7 Scaling Values

75

Autotuning

76

Setting Up Alarms

77

Thermocouple Open Alarm

78

Thermocouple Reversed Alarm

78

Alarm High and Alarm Low

80

Deviation Alarms

80

Global Alarm

81

Variable Retransmit

82

Setting Up Cascade Control

83

Loop Has Heat Output Only

84

How To Set Up Cascade Control

85

Setting Up Ratio Control

87

How to Set Up Ratio Control

88

Loop (Loop 2) in the Example

89

Loop (Loop 2) for the Example

90

Loop (Loop 1) in the Example

91

Non-Numeric Settings

92

Bit-Wise Values

92

Tuning and Control

95

On/Off Control

96

Proportional Control (P)

96

Proportional

97

Manually Tuning PID Loops

99

Derivative Settings

100

Proportional Band Only (P)

101

Control Outputs

102

Output Filter

103

Reverse and Direct Action

104

Menu and Parameter Reference

105

Operator Parameters

106

Heat/Cool Output

107

Process Variable

107

Overview of the Setup Menus

108

><

109

Global Setup Menu

110

BCD Job Load

111

BCD Job Load Logic

112

Mode Override

113

Logic Program

113

Power Up Alarm Delay

114

Power Up Loop Mode

114

Power Up With Logic

114

Keypad Lock

115

Thermocouple Short Alarm

115

Controller Address

115

Communications Baud Rate

116

Communications Parity

116

AC Line Frequency

116

Digital Output Alarm Polarity

117

Model and Firmware Version

117

Input Menu

118

Input Units

119

Input Pulse Sample

119

Calibration Offset

119

Display Format

120

Input Range High

121

Input High Signal

121

Input Range Low

122

Input Low Signal

122

Channel Menu

123

PV Source

124

Control Menu

125

Heat/Cool Integral

126

Heat/Cool Derivative

126

Heat/Cool Manual Reset

126

Heat/Cool Filter

127

Hysteresis

127

Restore Automatic Mode

128

Tune Band

128

Tune Gain

128

Overshoot Reduction

129

Control Type

129

Output Menu

130

Heat/Cool Cycle Time

131

Heat/Cool SDAC Signal

131

Heat/Cool SDAC Low Signal

131

Heat/Cool SDAC High Signal

132

Heat/Cool Action

132

Heat/Cool Power Limit

132

Heat/Cool Power Limit Time

133

Sensor Fail Heat/Cool Output

133

Heat/Cool Output Curve

134

Alarms Menu

135

Alarm High Function

136

Alarm High Output

136

High Deviation Value

136

High Deviation Function

137

High Deviation Output

137

Low Deviation Value

137

Low Deviation Function

137

Low Deviation Output

137

Alarm Low Set Point

138

Alarm Low Function

138

Alarm Low Output

138

Alarm Hysteresis

138

Alarm Delay

139

Heat/Cool Output Retransmit

140

Cascade Menu

141

Ratio Menu

142

Ratio Low Set Point

143

Ratio High Set Point

143

Control Ratio

143

Soft Integers Menu

144

Soft Booleans Menu

145

I/O Tests Menu

145

Keypad Test

146

Test Digital Output 1 to 35

146

Alarm Acknowledge

146

Alarm Enable

147

Alarm Function

147

Alarm Status

148

Ambient Sensor Reading

148

Analog Input

148

Data Changed Register

149

Firmware Identification

149

Firmware Version

149

System Status

150

Full Scale Calibration

150

Zero Calibration

151

When There is a Problem

153

Returning a Unit

154

Process Alarms

155

Failed Sensor Alarms

156

System Alarms

157

Other Behaviors

157

Low Power

159

Battery Dead

159

Ambient Warning

160

H/W Failure: Gain or Offset

160

H/W Failure: Ambient

160

Keys Do Not Work

161

Checking Analog Inputs

162

Earth Grounding

163

Checking Control Outputs

164

Testing the TB18 and TB50

164

Testing Digital Inputs

165

Computer Problems

166

Communications

166

Clearing the RAM

167

CAUTION!

168

Installing Scaling Resistors

171

Input Circuit

172

Current Inputs

173

Voltage Inputs

174

RTD Inputs

175

SERIAL DAC

176

Configuring Dual DAC Outputs

177

DUAL DAC

177

Specifications

179

Table 7.3 Physical Dimensions

180

SCSI Cable

181

TB50 Physical Specifications

182

Figure 7.4 TB50 Dimensions

183

Table 7.8 TB50 Connections

183

Table 7.11 Analog Inputs

186

Table 7.12 Pulse Inputs

186

Table 7.13 Programmable Logic

187

Resolution

187

Table 7.17 Digital Inputs

188

Analog Outputs

188

CPC400 Power Supply

190

Dual DAC Specifications

192

Dual DAC Inputs

193

Serial DAC Specifications

194

Serial DAC Inputs

195

Serial DAC Analog Outputs

196

Appendix A: Modbus Protocol

197

Response

198

Modbus ASCII and RTU Modes

199

Message Framing

199

Address Field

200

Function Field

200

Data Field

201

Error Checking Field

201

Error Checking Methods

202

CRC Checking

203

Function Codes

204

Force Single Coil 05

205

Preset Single Register 06

205

Diagnostics 08

205

Force Multiple Coils 15

206

Examples

207

Write Examples

208

Glossary

209

— A standard for interface

210

— A power

213

53, 146

217

Parameter Address Reference

223

Input (page 104)

224

Channel (page 109)

224

Control (page 111)

224

Output (page 116)

225

Alarms (page 121)

226

Firmware Version (page 135)

228

Declaration of Conformity

229

Menu Structure

230

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