Beckhoff KL6781, Документация

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Product overview
KL6781 8 Version: 2.0.0
2 Product overview
2.1 Introduction
Fig. 1: KL6781
The KL6781 M-bus master terminal enables direct connection of M-Bus devices. The M-bus (meter bus) is a
fieldbus for consumption data acquisition from electricity, water, gas or energy meters.
The KL6781 does not contain the M-bus protocol but converts the K-bus data to an M-bus compliant format.
On the K-bus, 24 bytes are available for this purpose for each M-bus master terminal.
The TwinCAT M-bus library enables operation without external M-bus gateway, i.e. the M-bus devices can
be connected directly to the KL6781.
With a total line length of 300 m, up to 40 M-bus devices can be operated at a KL6781.