Introduction

The NC-Kernel in version 2.60 (TwinCAT 2.11) has the feature to run encrypted NC-Programs. These files are detected by the extension “.enc” (Encrypted NC).

To execute an encrypted NC-program the CNC must know the password the program has been encrypted with. This password must be set to the CNC before program start by an ADS write request:

Name: password
IndexGroup: 0x22301
IndexOffset: 0x1a
Port: 552 (task SDA)