ZF2/ZF3 SCR Power Controller
Table of Contents
Rev 3
Ametek HDR Power Systems
i
TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS ............................................................................................................. 1
CHAPTER 1 - DESCRIPTION .............................................................................................................................. 3
1.1
General Description
3
1.2
Application
3
1.3
Operation
3
1.4
Specification
3
CHAPTER 2 - OPTIONS ...................................................................................................................................... 6
2.1
Option UB (Unbalance Alarm)
6
2.2
Option SF (Shorted SCR Failure Alarm)
6
2.3
Option LG (Lug Kit)
6
2.4
Additional Options
6
CHAPTER 3 - INSTALLATION ............................................................................................................................ 7
3.1
Mounting the ZF2/ZF3
7
3.2
Input/Output Wiring
7
3.3
Fan Wiring (applicable to models rated 90 A and higher)
7
3.4
Wiring Overtemperature Contacts
8
3.5
Command Signal Input
8
3.6
Determining Line Frequency
9
3.7
Voltage Changeover
9
3.8
Options
10
CHAPTER 4 - OPERATION ............................................................................................................................... 11
4.1
General
11
4.2
Front Panel Indicators
11
4.3
Command Input Control
11
4.4
Remote Manual Control with a Potentiometer
12
4.5
Auto/Manual Control with a Controller and Remote Potentiometer
13
4.6
On/Off Control
14
4.7
Shutdown
14
4.8
Unbalance Alarm
15
4.9
Shorted SCR Alarm
16
CHAPTER 5 – OPTIONS SETUP ...................................................................................................................... 19
5.1
Option UB (Unbalance Alarm)
19
CHAPTER 6 - THEORY...................................................................................................................................... 21
6.1
Functional Description
21
6.2
Digital Firing Control Circuit
21
6.3
Variable-Time Base
21
6.4
Pulse-Train Firing
22
6.5
Phase-Lock Loop
22
6.6
SPAN and ZERO Controls
22
6.7
Voltage-Squared Feedback
22
6.8
Shut-down
22
CHAPTER 7 – TROUBLESHOOTING ............................................................................................................... 23
7.1
Customer-Service Program
23
7.2
Troubleshooting Typical Symptoms
23
7.3
Static Precautions when Servicing
23
7.4
Environmental Problems
24
Содержание ZF2 SCR Series
Страница 6: ...Table of Contents ZF2 ZF3 SCR Power Controller iv Ametek HDR Power Systems Rev 3...
Страница 8: ...Safety Instructions ZF2 ZF3 SCR Power Controller 2 Ametek HDR Power Systems Rev 3...
Страница 23: ...ZF2 ZF3 SCR Power Controller Operation Rev 3 Ametek HDR Power Systems 17 Figure 4 9 Unbalance Block Diagram...
Страница 24: ...Operation ZF2 ZF3 SCR Power Controller 18 Ametek HDR Power Systems Rev 3...
Страница 32: ...Troubleshooting ZF2 ZF3 SCR Power Controller 26 Ametek HDR Power Systems Rev 3...
Страница 42: ...Appendix ZF2 ZF3 SCR Power Controller 36 Ametek HDR Power Systems Rev 3 Appendix C ZF2 60 225 A Outline R...
Страница 43: ...ZF2 ZF3 SCR Power Controller Appendix Rev 3 Ametek HDR Power Systems 37 Appendix D ZF2 350 500 A Outline R...
Страница 44: ...Appendix ZF2 ZF3 SCR Power Controller 38 Ametek HDR Power Systems Rev 3 Appendix E ZF2 650 A Outline R...
Страница 45: ...ZF2 ZF3 SCR Power Controller Appendix Rev 3 Ametek HDR Power Systems 39 Appendix F ZF2 800 1200 A Outline R...
Страница 46: ...Appendix ZF2 ZF3 SCR Power Controller 40 Ametek HDR Power Systems Rev 3 Appendix G ZF3 60 225 A Outline R...
Страница 47: ...ZF2 ZF3 SCR Power Controller Appendix Rev 3 Ametek HDR Power Systems 41 Appendix H ZF3 350 500 A Outline R...
Страница 48: ...Appendix ZF2 ZF3 SCR Power Controller 42 Ametek HDR Power Systems Rev 3 Appendix I ZF3 650 A Outline...
Страница 49: ...ZF2 ZF3 SCR Power Controller Appendix Rev 3 Ametek HDR Power Systems 43 Appendix J ZF3 800 1200 A Outline R...
Страница 51: ...Notes...
Страница 52: ...503 Lakeview Plaza Blvd Ste C Worthington Ohio 43085 USA...
