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Allen-Bradley 700-SK
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Rockwell Automation Allen-Bradley 700-SK manual available for free PDF download: Application Manual
Rockwell Automation Allen-Bradley 700-SK Application Manual (69 pages)
Solid-State Relays
Brand:
Rockwell Automation
| Category:
Relays
| Size: 1 MB
Table of Contents
EMC Directive
3
Low Voltage Directive
3
Table of Contents
4
For Further Information
7
Manual Explanation
7
Manual Objectives
7
Preface
7
Who Should Use this Manual
7
Chapter 1 - Basic Concepts of Ssrs
8
Overview
8
What Are Ssrs
8
Configuration of Ssrs
9
Representative Example of Switching
9
Electromagnetic Relay (EMR)
10
Control of Ssrs
10
ON/OFF Control
11
SSR Application Examples
11
SSR Classifications
11
Classification by Application
13
SSR Glossary
14
Chapter 2 - Considerations When Designing SSR Control Systems
17
Input Circuit
17
Input Noise
17
Input Conditions
19
Output Circuit
21
AC ON/OFF SSR Output Noise Surges
21
DC ON/OFF Output Noise Surges
22
Self-Holding Latching Circuits
23
Selecting a SSR for Different Loads
23
Inrush Currents from Transformer Loads
27
Transformer Tap Selection
29
Load Power Supply
29
Operating Frequency for AC Load Power Supply
29
Low AC Voltage Loads
30
Phase-Controlled AC Power Supplies
30
Application Circuit Examples
31
Connection to a Sensor
31
Switching Control of an Incandescent Lamp
31
Temperature Control of an Electric Furnace
32
Forward and Reverse Operation of a Single-Phase Motor
32
ON/OFF Control of a Three-Phase Inductive Motor
32
Forward and Reverse Operation of a Three-Phase Motor
33
Fail-Safe Concept Power
34
Error Mode
34
Short-Circuit Protection (Fuse Selection) and Overcurrent Protection
35
SSR Operation Indicator (LED)
36
Heat Radiation Design Basics
36
SSR Heat Radiation
36
Heat Sink Selection
36
Calculating Heat Sink Area
37
Designing for Control Panel Heat Radiation
38
Operation
39
Leakage Current
39
Screw Tightening Torque
39
SSR Mounting Panel Quality
39
Panel/Surface-Mounting Socket
40
SSR Insertion and Removal Direction
40
Panel Mounting
40
Relationship between Ssrs and Wire Ducts
41
Ventilation
42
Confirmation after Installation
42
Operation and Storage Environment Precautions
43
Ambient Temperature (Operating)
43
Operation and Storage Locations
44
Vibration and Shock
44
Solvents
44
Oil
44
Handling the SSR
44
What Is Zero Cross Function
46
Why Does the Input Current Vary with the SSR
47
What Is the Difference in Switching with a Thyristor and a Triac
47
What Are the Characteristics of Thyristors and Triacs
48
What Is a Snubber Circuit
48
Are There any Ssrs with Normally Closed Contacts
49
What Is the Difference between Recommended
50
Values and Rated Values
50
What Is Counter-Electromotive Force
50
What Is the Meaning of I2T for Fuse Selection
50
Why Does the Operating Time Vary between AC Inputs
51
What Is the Relationship between the Leakage Current and Load Voltage
51
Is It Possible to Connect Ssrs in a Series
51
Is It Possible to Connect Two 200V AC Ssrs in Series to a 400V AC Load
51
Is It Possible to Connect Ssrs in Parallel
51
Is It Possible to Connect a DC Output Load to a Negative Electrode? Can Either a Positive or Negative Load be Connected
52
What Portion of the Power Factor of the Load Is Practically Applicable
52
Why Is the Minimum Load Current for most Ssrs
53
Limited to 0.1 a
53
Why Can most Ssrs Not Switch Micro-Loads
53
Ssrs with AC Outputs
53
Switched with a SSR
54
Why Is the Current Not Stable When the Power Supply Is Switched on and off
54
Can a Panel Frame be Used in Place of Heat Sink
55
Why Is It Necessary to Apply Grease to the Ssr/Heat Sink
56
Available Silicon Grease Products for Heat Dissipation
56
What Output Configuration Is Suitable When the SSR Is Used in Combination with a Temperature Controller
57
What Precautions Are Necessary When Driving a Number of Ssrs with a Temperature Controller Output
57
Examples of Connections between Temperature Controllers
58
What Precautions Are Necessary for Forward/Reverse Operation of a Single-Phase Motor
59
Precautions for Forward/Reverse Operation
59
Does an SSR Have a Mounting Direction
60
What Precautions Are Required for High-Density
60
Mounting or Gang Mounting
60
What Is the Non-Repetitive Inrush Current
61
What Kind of Failure Do Ssrs Have most Frequently
61
What will Happen if the Load Voltage Eceeeds
61
Is It Possible to Replace a Defective Part in a SSR
62
How Can We Use a Multimeter to Check if the SSR Is on or off
62
Appendix
65
List of Recommended Loads
65
Circuit Configuration
66
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