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4 communication 4.1 nmt state machine – NORD Drivesystems BU0570 User Manual

Page 17

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4 Communication

BU 0570 GB-0312

Subject to technical amendments

17

4 Communication

4.1 NMT State Machine

The NMT State Machine defines various communication states of the SK TU3-ECT.

Fig. 9 NMT State Machine

State

Explanation

Init

No communication of process data and parameters

Pre-Operational

- Communication of parameters
- No process data communication

Save Operational

- Communication of parameters
- Restricted process data communication (only actual values are transmitted, setpoint are not evaluated)

Operational

- Communication of parameters
- Unrestricted process data communication

Table 10 Explanation of NMT States

Init

Pre- Operational

Save- Operational

Operational