KV-H40S KV-H20S are 2 most common position control modules of Keyence, it uses pulse generation method to control stepper motor and Servo motor.
The KV-H40S supports control of up to 4 independent axes and is equipped with advanced position control features.

The KV-H40S KV-H20S User Manual consists of 7 chapters
- Chapter 1: OUTLINE
- Chapter 2: SPECIFICATIONS
- Chapter 3: WIRING
- Chapter 4: TYPES OF PARAMETERS
- Chapter 5: MAKING LADDER PROGRAMS
- Chapter 6: KZ-HP1/KV-HPD1 OPERATION
- Chapter 7: TROUBLESHOOTING

PDF Download Link
1. GoogleDrive 
2. MediaFire 
Password Extract: thelivingchristmascompany.com
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If the download link is broken or you need technical support in controlling KH-H20 / 40S, please comment below the article.
Thanks and best regards!