Watlow CLS manuals

Watlow CLS User Manual (180 pages)

Brand: Watlow | Category: Sensors | Size: 2.09 MB |

English

Table of contents

User’s Guide

1

Warranty

2

Contents

3

Using the CLS 49

4

Setup 61

4

PID Tuning and Control 97

6

Troubleshooting 107

6

Linear Scaling Examples 115

7

Appendix A: Ramp Soak 119

7

Glossary 163

8

System Diagram

10

Parts List

10

4 CLS User’s Guide

12

Overview

12

Introduction

13

Specifications

15

Digital Inputs

17

System Digital Outputs

17

Miscellaneous Specifications

19

12 CLS User’s Guide

20

Installation

21

Precautions and Warnings

22

Recommended Tools

23

CLS Mounting Procedure

24

TB-18 Mounting Instructions

25

TB-50 Mounting Instructions

26

Grounding

29

Thermocouple Wiring

30

Input Wiring

30

Output Wiring

31

Communications Wiring

31

Wiring: Noise Suppression

32

General Wiring

33

Connections Test

34

Wiring Outputs

35

28 CLS User’s Guide

36

Using the Cable Tie Wraps

37

Configuring Outputs

37

Watchdog Timer

38

TB-18 Connections

39

TB-50 Connections

40

16 CLS TB-50 Connections

41

Input Scaling

42

4 and 8 CLS Scaling Values

43

4CLS: Voltage/Current Inputs

45

8CLS: Voltage/Current Inputs

45

4CLS: RTD/Thermister Inputs

45

8CLS: RTD/Thermister Inputs

45

16 CLS Scaling Values

46

Scaling and Calibration

47

T/C Inputs

47

Connecting Thermocouples

48

RTD Inputs (4 and 8 CLS only)

48

Current Inputs

49

Voltage Inputs

49

Unused Inputs

50

Serial Communications

51

Configuring Communications

54

Recommended Wire Gauges

55

48 CLS User’s Guide

56

Using the CLS

57

Front Panel

58

Change SP

59

Man/Auto

59

Ramp/Soak

60

Alarm Ack

60

Displays

61

Single Loop Display

62

F 0

63

Acknowledging an Alarm

64

Job Display

65

Operator Menus

66

Manual Output Levels

67

Autotune

68

How to Enter the Setup Menus?

69

How to edit a menu?

69

Loop name?

70

Set up Global Parameters Menu

71

Load a Job

72

Save Setup to Job

72

Job Select Inputs

73

Job Select Input Polarity

73

Output Override Digital Input

74

Start-up Alarm Delay

74

Keyboard Lock Status

75

Power-Up Output Status

75

Controller Address

75

Communications Baud Rate

76

Communications Protocol

76

Communications Error Checking

76

AC Line Frequency

77

Digital Output Polarity

77

EPROM Information

77

Set up Loop Input

78

Input Type

79

Pulse Sample Time

80

Loop Name

80

Input Units

80

Input Reading Offset

81

Linear Scaling Menus

81

Variable

82

InputR eading

82

Display Format

83

High Process Value

83

High Reading

84

Low Process Value

84

Low Reading

84

Input Filter

85

Heat or Cool Control PB

87

Heat or Cool Control TI

87

Heat or Cool Control TD

87

Heat or Cool Output Filter

88

Heat and Cool Spread

88

Set up Loop Outputs

89

Heat or Cool Output Type

90

SDAC Menus

91

SDAC High Value

92

SDAC Low Value

92

Heat or Cool Output Action

92

Heat or Cool Output Limit

93

Heat or Cool Output Override

93

Calculated by P ID

94

Set up Loop Alarms

95

Global Alarms

96

Process Alarms

96

High Process Alarm Setpoint

98

High Process Alarm Type

98

Deviation Band Value

99

High Deviation Alarm Type

99

Low Deviation Alarm Type

100

Low Process Alarm Setpoint

100

Low Process Alarm Type

101

Alarm Deadband

101

Alarm Delay

102

Manual I/O Test

103

Test Digital Output

104

Toggle Digital Output

104

Keypad Test

104

PID Tuning and Control

105

Control Modes

106

Control Outputs

108

Digital Output Control Forms

108

Time Proportioning (TP)

109

Analog Outputs

109

Output Digital Filter

109

Reverse and Direct Action

110

Integral Term (TI) Settings

112

Derivative Term (TD) Settings

112

Proportional Band Only (P)

113

PI with Derivative (PID)

113

106 CLS User’s Guide

114

Troubleshooting

115

Returning your Unit

116

Checking an Analog Input

116

Checking Digital I/O

117

TB-18 and TB-50 Test

117

Digital Input Testing

117

Computer Problems

118

Ground Loops

119

Software Problems

119

User-Written Software

119

Changing the EPROM

119

114 CLS User’s Guide

122

Linear Scaling Examples

123

Example 2

124

Example 3

125

118 CLS User’s Guide

126

Linear Scaling

126

Appendix A: Ramp Soak

127

Configuring Ramp/Soak

128

Setting the R/S Time Base

129

Editing R/S Parameters

129

Choosing a Profile to Edit

129

LOOP PROCESS UNITS

130

Editing the Ready Setpoint

131

Editing a Segment

132

Setting Segment Time

132

Setting a Segment Setpoint

133

Configuring Segment Events

133

Editing Event Outputs

134

Changing Event States

134

Editing Segment Triggers

134

Setting Segment Tolerance

136

Ending a Profile

136

Repeating a Profile

136

Using Ramp/Soak

137

Assigning a different profile

138

Bar graph display

140

Ramp/Soak Key Displays

140

How long has the profile run?

141

How many times has it cycled?

141

Holding a profile

142

Continuing a profile

142

Resetting a profile

143

136 CLS User’s Guide

144

Appendix B: Enhanced

145

Process Control

145

Process Variable Retransmit

147

PV Retransmit Menus

148

PV Assignment

148

Minimum Input

149

Minimum Output

149

Maximum Input

149

Maximum Output

150

Cascade Control

151

Cascade Control Menus

152

Cascade Output Assignment

152

Base Setpoint

153

Minimum Setpoint

153

Maximum Setpoint

153

Heat Cascade Span

153

Cool Cascade Span

154

Ratio control

155

Ratio Control Menus

156

Ratio PV Assignment

156

Control Ratio

156

Remote Analog setpoint

157

Differential Control

157

Typical Applications

158

Ratio Control

164

Remote Setpoint

166

Glossary

171

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