Watlow CPC400 Instrukcja Użytkownika Pobierz pdf (Strona 61)

Doc. 0600-2900-2000 Watlow Anafaze 47

Operation and Setup

This chapter explains how to use the keypad and display to

operate the controller. This chapter also explains the basic

concepts that you need to understand to set up and operate

the controller.

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 229 230

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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