Watlow CLS Manual de usuario descargar pdf (Pagina 150)

142

Appendix B: Enhanced Process Control

Maximum Output

Output will never go above the this Maximum Output percentage,

regardless of how high the PV goes.

Selectable Values: 0-100%.

NOTE

Any available output (heat or cool) may be used as a

retransmit output. Any PV (including the same loop num-

ber input) may be retransmitted.

LOOP PROCESS UNITS

ALARM SETPOINT STATUS OUT%

02 HEAT RETRANS

MAX OUT%? 100%

1 2 ... 145 146 147 148 149 150 151 152 153 154 155 ... 179 180

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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