7.6 Status and error messages
HIPERFACE DSL
®
can be used to monitor the status of the motor feedback system in
various ways.
Dependent upon the importance of the status or error message, different indication
mechanisms are used to inform the frequency inverter application.
7.6.1 Event register
The EVENT_H and EVENT_L registers (see chapter 6.3.4) contain all important error
and status indications for the DSL Master. All events are updated after 200 µs at the
latest.
More specifically, the EVENT_H register contains all the critical motor feedback system
error messages. Recommendations for error handling can be found in chapter 6.3.4.
The EVENT_L register contains all motor feedback system warning and status mes‐
sages. Recommendations for error handling can be found in chapter 6.3.4.
All errors and warning conditions indicated in the event registers must be acknowl‐
edged by deletion of the corresponding error bits. The DSL Master does not automati‐
cally reset these bits.
This mechanism is explained below using an example (error in the transmitted fast
position, POS bit).
Figure 29: Acknowledgment of event bits
7
CENTRAL FUNCTIONS
74
T E C H N I C A L I N F O R M A T I O N | HIPERFACE DSL
®
8017595/ZTW6/2018-01-15 | SICK
Subject to change without notice
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