Is It Possible to Connect SSRs In a Series? . . . . . . . . . . . . . . . . . . . . 4-6
Is It Possible to Connect Two 200V AC SSRs in
Series to a 400V AC Load? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Is It Possible to Connect SSRs in Parallel?. . . . . . . . . . . . . . . . . . . . . 4-6
Is It Possible to Connect a DC Output Load to a Negative
Electrode? Can Either a Positive or Negative
Load Be Connected? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
What Portion of the Power Factor of the Load
Is Practically Applicable?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Why Is the Minimum Load Current for Most SSRs
Limited to 0.1 A? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Why Can Most SSRs Not Switch Micro-loads? . . . . . . . . . . . . . . . . . 4-8
SSRs with AC Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 8
Why Does a Relay Make Noise When
Switched With a SSR?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4- 8
Why Is the Current Not Stable When the Power Supply Is
Switched ON and OFF? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
How Much Thermal Resistance Is Required in the Heat Sink?
What Is the Thermal Resistance of the SSR? . . . . . . . . . . . . . . . . . . 4-10
Can A Panel Frame Be Used in Place of Heat Sink? . . . . . . . . . . . . 4-10
What Are the Carry Current Statistics of the Radiator?. . . . . . . . . . 4-11
Why Is It Necessary to Apply Grease to the SSR/Heat Sink? . . . . 4-11
Available Silicon Grease Products for Heat Dissipation. . . . . . 4-12
What Output Configuration Is Suitable
When the SSR Is Used in Combination
With a Temperature Controller? . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
What Precautions Are Necessary When Driving a Number of SSRs
With a Temperature Controller Output? . . . . . . . . . . . . . . . . . . . . 4-12
Examples of Connections Between Temperature Controllers
and SSRs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
What Precautions Are Necessary For Forward/Reverse
Operation of a Single-phase Motor?. . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Precautions for Forward/Reverse Operation . . . . . . . . . . . . . . 4-14
Does an SSR Have a Mounting Direction? . . . . . . . . . . . . . . . . . . . 4-15
What Precautions Are Required For High-Density
Mounting or Gang Mounting? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
What Is the Non-Repetitive Inrush Current?. . . . . . . . . . . . . . . . . . 4-16
What Kind of Failure Do SSRs Have Most Frequently?. . . . . . . . . 4-17
What Will Happen if the Load Voltage Eceeeds
the Upper Limit?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Is It Possible to Replace a Defective Part in a SSR? . . . . . . . . . . . . 4-18
How Can We Use a Multimeter to Check
If the SSR is ON or OFF? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Chapter Five — Troubleshooting Flowcharts . . . . . . . . . . . . . .5-1
Appendix
List of Recommended Loads . . . . . . . . . . . . . . . . . . . . . . . . Appendix-1
Circuit Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix-2