Watlow MLS manuals

Watlow MLS User Manual (142 pages)

Brand: Watlow | Category: Sensors | Size: 1.26 MB |

English

Table of contents

User’s Guide

1

Warranty

2

Addendum for MLS User’s

3

Guide (3.6)

3

Mounting Environment

4

Contents

7

Contents MLS User’s Guide

10

MLS User’s Guide Contents

11

Overview

13

System Diagram

14

Parts List

14

4 MLS User’s Guide

16

Introduction

17

Specifications

19

RTD Ranges

20

Miscellaneous Specifications

20

Digital Inputs

20

Digital Outputs

21

Standard Digital Outputs

21

System Digital Outputs

21

Miscellaneous Specifications

22

Expanded Parts List

23

Front Panel Description

24

Installation

27

Read This Before Installation

28

Recommended Tools

29

Mounting the MLS-PM

30

MLS-PM Mounting Steps

31

Mounting the MLS-AIM

32

Mounting Steps

33

Mounting the RTB

34

Mounting the MLS-PS

35

Wiring Your System

36

Wiring Recommendations

37

Cable Recommendations

38

Noise Suppression

38

Symptoms of RFI

38

Avoiding RFI

38

Testing Connections

40

Testing Your System

42

Outputs

43

Ribbon Cable Recommendations

44

Using the Cable Tie Wraps

44

System safe

45

(RTB pin 6)

45

RTB Connections

46

AIM Communications Failure

47

Input Wiring Recommendations

49

Input Scaling

49

Scaling Values

49

Input Calibration

50

T/C Inputs

51

Connecting Thermocouples

52

RTD Inputs

52

Current Inputs

53

Voltage Inputs

53

Unused Inputs

53

Communications

54

Recommended Wire Gauges

57

46 MLS User’s Guide

58

Using the MLS

59

Front Panel

60

Front Panel Keys

61

Yes (Up)

61

No (Down)

61

Man/Auto

62

Ramp/Soak

62

Alarm Ack

62

Displays

63

(blank) (blank)

64

Interpreting Alarm Display

65

Acknowledging an Alarm

66

Operator Menus

68

MAN/AUTO CONTROL

69

Automatically Tuning a Loop

70

How to enter the Setup menus?

71

How to edit a menu?

71

Setup Global Parameters Menu

73

Save to Job

74

Load from Job

74

Job Select Inputs

75

Controller Address

78

Communications Error Checking

78

Setup Loop Input

81

Input Type

82

Input Reading Offset

84

Linear Scaling Menus

84

}Line a r in put ty pe

85

Display Format

86

High Process Value

86

High Reading

87

Low Process Value

87

Low Reading

87

Input Filter

88

Setup Loop Control Parameters

89

Heat/Cool Control PB

90

Heat/Cool Control TI

90

Heat/Cool Control TD

90

Heat/Cool Output Filter

91

Heat/Cool Spread

91

Setup Loop Outputs

92

MLS User’s Guide 81

93

Setup Loop Outputs?

93

Heat or Cool Output Type

94

SDAC Menus

95

SDAC High Value

96

SDAC Low Value

96

Heat/Cool Output Action

96

Heat/Cool Output Limit

97

Heat/Cool Output Limit Time

97

Heat/Cool Output Override

97

Calculated by PID

98

Setup Loop Alarms

99

Alarm Types

100

Failed Sensor Alarms

100

Global Alarms

100

Process Alarms

100

• Alarm deadband

101

• Loop alarm delay

101

Alarm Delay

102

High Process Alarm Setpoint

103

High Process Alarm Type

103

Deviation Band Value

104

High Deviation Alarm Type

104

Low Deviation Alarm Type

105

Low Process Alarm Setpoint

106

Low Process Alarm Type

106

Alarm Deadband

107

Loop Alarm Delay

107

Manual I/O Test

108

Digital Input Testing

109

Using This Menu

109

Keypad Test

109

Test Digital Output

109

Toggle Digital Output

110

Tuning and Control

111

Proportional Control

112

Digital Output Control Forms

114

Time Proportioning (TP)

114

Analog Outputs

114

Output Digital Filter

115

Reverse and Direct Action

115

General PID Constants

118

MLS User’s Guide 107

119

108 MLS User’s Guide

120

Tuning and Control

120

Troubleshooting

121

MLS-PM Has No Power

122

Keys Don't Respond

123

Checking Analog Inputs

123

Checking PID Control Outputs

124

Checking Digital I/O

124

Computer Problems

125

Serial Interface Problems

125

Communications Problems

126

Ground Loops

126

Software Problems

127

User-Written Software

127

Changing the EPROM

128

118 MLS User’s Guide

130

Linear Scaling Examples

131

Glossary

133

Glossary MLS User’s Guide

142

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