KL6201, KL6211 - Introduction

KL6201, KL6211 - Introduction 1:Fig.1: KL6201, KL6211 - AS-Interface master terminals

The AS-Interface master terminals are extended masters according to the M3 profile and enable the direct connection of AS-Interface slaves. The AS-Interface compliant interface supports digital and analog slaves, versions 2.0, 2.1 and 3.0, as well as safety slaves and slaves with Combined Transaction Type 1 (profile S-7.3 and 7.4).

Process data exchange, parameterization and diagnosis are fieldbus-independent. Together with the different Bus Couplers, the AS-Interface master terminals represent a universal fieldbus / AS-Interface gateway.

Together with the BK3120, the PROFIBUS DP V1 services can be used for communication with the KL6201/KL6211.

The size of the process image can be set to 6 bytes, 12 bytes (default), 22 bytes or 38 bytes, as required.

Since the usual register interface (with 64 registers per terminal or channel) is not sufficient for transferring all the information of the AS-i master terminal (terminal registers and AS-i parameters), a parameter interface was defined that can be accessed cyclically (via the process image) or acyclically (via fieldbus-specific acyclic services).

Unlike the KL6201 AS-Interface master terminal, the KL6211 features power contacts. This enables direct connection to the AS-Interface supply via the KL9520 AS-Interface potential feed terminal or the KL9528 power supply terminal.