Contents 1 General 4 1.1 Information about the operating instructions 1.2 Explanation of symbols 2 Security 6 2.1 Security 2.2 Proper use of the interfaces 3 Connection 7 4 Setting the additional function codes 8 5 Programming assistant 10 5.1 General 5.2 Installing the programming assistant 5.3 Connecting the counter 6 Configuring with the programming assistant 15 6.1 Writing and reading configuration data 6.2 Configuring via USB stick 6.3 Text messages 7 Communication interface 19 7.1 Definition of the communication interface 7.2 Overview of generic interface functions 7.3 List of commands 7.4 Syntax for read, write and function commands 7.5 Command examples 8 Technical data 26 9 Ordering information 28 10 Accessories 29 III