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K-bus status – BECKHOFF BK3xx0 User Manual

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Notes on the Documentation

58

Fieldbus Components

K-Bus Status

The K-Bus status can be read through DPV1. The data is transferred in Intel format (low byte first):

Slot
number

Index Byte Description

Bit 0: Fieldbus errors

Bit 1: K-Bus error

Bit 2: Error on the Bus Terminal

0-1

Bit 3: Coupler error

2-3

In the presence of a coupler error: Error code

K-Bus error = 0: Bit length of the K-Bus

4-5

K-Bus error = 1: K-Bus error code (-> Diagnostic data)

K-Bus error = 0:
Number of terminals

0

90

6-7

K-Bus error = 1:
Bus Terminal number following which the K-Bus error is detected (-> Diagnostic
data)