Watlow EZ-ZONE ST User Manual Page 66
- Page / 97
- Table of contents
- BOOKMARKS
Rated. / 5. Based on customer reviews
Watlow EZ-ZONE
®
ST • 64 • Chapter 7 Features
7
Chapter 7: Features
Saving and Restoring User Settings . . . . . . . . . . . . . . . . . . . . . . . . . .65
Tuning the PID Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Manual Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Autotuning with TRU-TUNE+
®
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Calibration Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Filter Time Constant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Sensor Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Set Point Low Limit and High Limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Scale High and Scale Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Range High and Range Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Control Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Output Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Auto (closed loop) and Manual (open loop) Control . . . . . . . . . . . . . . . . . . 68
On-Off Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Proportional Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Proportional plus Integral (PI) Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Proportional plus Integral plus Derivative (PID) Control . . . . . . . . . . . . . . . 70
Dead Band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Variable Time Base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Phase Angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Soft Start Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Single Set Point Ramping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Process and Deviation Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Alarm Set Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Alarm Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Alarm Latching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Alarm Silencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Alarm Blocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Using Lockout to Hide Pages and Menus . . . . . . . . . . . . . . . . . . . . . . 73
Using Password Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Modbus - Using Programmable Memory Blocks . . . . . . . . . . . . . . . . .75
CIP - Communications Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Software Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Note:
In the following chapter, there will be many visual references to prompts as related to the features and as seen on the face of the
Remote User Interface (RUI) which is optional hardware. To learn more about the RUI point your browser to:
http://www.watlow.com/literature/pti_search.cfm?dltype=5 and type in EZ-ZONE in the search field at the bottom of the page to
find and download the RUI/Gateway User Manual.
- User’s Manual 1
- Integrated Control Loop 1
- Electrical Shock Hazard 2
- Table of Contents 3
- Table of Contents (cont.) 4
- Chapter 1: Overview 5
- A Conceptual View of the ST 6
- Getting Started Quickly 7
- ST System Diagram 8
- ST with 25A or 40A Contactor 9
- Wa tlow EZ-ZONE 11
- STATUS Indicator Light 11
- Watlow EZ-ZONE 12
- Ground Connection 13
- Limit Power 14
- Sub-assembly Labels 15
- Installation 16
- ST Isolation Block 19
- Input 1 Thermocouple 20
- Input 1 RTD 20
- Input 1 Process 20
- Input 2 Thermocouple 21
- Input 2 RTD 21
- Input 2 Process 21
- Digital Input 5 - 6 22
- Safe Operating Area 23
- Digital Output 5 - 6 25
- Quencharc Wiring Example 25
- Modbus RTU or 26
- Standard Bus EIA-485 26
- 27
- Setting the Address 28
- Chapter 3: Operations Pages 32
- Offset the input reading to 33
- Chapter 4: Setup Pages 41
- Setup Page 42
- R: Read 43
- W: Write 43
- S: User 43
- Apply an offset to the cur 52
- Chapter 5: Profiling Page 56
- Chapter 6: Factory Pages 61
- Change this value to 65
- Chapter 7: Features 66
- Temperature 67
- Autotuning with TRU-TUNE+ 68
- Before Tuning 68
- How to Autotune a Loop 68
- Calibration Offset 68
- Range Low and Range High 70
- On-Off Control 71
- Proportional Control 71
- Set Point 73
- Heating System with Ramping 74
- Alarm Silencing 75
- Alarm Blocking 75
- Lockout Menu 75
- Using Password Security 76
- Software Configuration 78
- Chapter 8: Appendix 81
- ST • 80 • Appendix 82
- ST • 81 • Appendix 83
- ST • 82 • Appendix 84
- ST • 83 • Appendix 85
- CIP Implicit Assembly 86
- Specifications 87
- Ordering Information 88
- ST • 87 • Appendix 89
- Code Number 90
- [`id;S] Idle Set Point 33 91
- Electrical Output Slope 63 92
- • 91 • Appendix 93
- • 92 • Appendix 94
- Declaration of Conformity 95
- How to Reach Us 97
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