Encoder diagnostics

General topics

• Safety precautions
• Determining the interface of HEIDENHAIN encoders
• Interface description
• Principle of operation of incremental encoders
• Encoders with a BUS interface

PWT testing device

• Possible applications
• Items supplied
• Available functions
• Software updates

PWM inspection device

General information

• Safety precautions

Installation/Initial setup

• Items supplied
• Hardware description
• Specifications
• Installation of the ATS software
• Configuration
• Operating instructions
• Product keys

General measurement setup

• Connecting the testing equipment
• Overview of cables and connection technology

Connecting to the encoder

• Electrical connection (selecting the appropriate input adapter cable)
• Connection dialogs
• Selecting encoders by entering the ID number
• Manual encoder selection
• Supply voltage

Testing incremental encoders

• Voltage display field
• PWT: checking for proper incremental signals
• Checking and setting the reference signal
• Recording signals (documentation)
• Counter function
• Measuring Zn/Z1 rotary encoders

Testing absolute encoders

• Position display field
• Incremental signal display field
• Meaning of EnDat encoder memory areas  
• Reading and comparing encoder memory contents (backing up)
• Absolute-incremental deviation
• Online diagnostics (documentation)
• Mounting wizards
• Functional safety: testing procedure and documentation

Practical application

• Functional testing on HEIDENHAIN encoders with the PWT 
• Inspection and analysis of HEIDENHAIN encoders with the PWM 
• Determining the required cables using the “Cables and Connection Technologies” user’s manual
• Measuring in closed-loop operation at a machine tool (incremental/absolute EnDat)

If possible, please bring your own PWM and laptop to the course

• That participants understand the basic functions of the PWT testing device 
• To be able to operate the PWM within the measuring circuit of the machine tool and to perform troubleshooting for HEIDENHAIN encoders

• Servicing and maintenance specialists

• Basic knowledge of electronics
• Basic knowledge of NC machine tools
• Basic computer skills (Windows)