2 device state machine and device states, Device state machine and device states, 4device control (dctrl) – Lenze 8400 motec User Manual

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Lenze · 8400 motec · Reference manual · DMS 4.1 EN · 08/2013 · TD05

69

4

Device control (DCTRL)

4.2

Device state machine and device states

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4.2

Device state machine and device states

The behaviour of the controller is mainly determined by the current device status within the device

state machine. Which device status is active and which device status is next depends on certain con-

trol signals (e.g. for controller inhibit and quick stop) and status parameters.

• The arrows between the device states mark possible state changes.
• The digits stand for the status ID (see table below).

Device state machine

Grey field: Pulse inhibit

 Can be reached from all statuses.
 "Warning" contradicts the definition of a device status. In fact, it is a message which is to call attention to

the device status the warning exists for.

"Warning" can occur in parallel to other device states.

ReadyTo

SwitchOn

3

SwitchedOn

4

Operation

Enabled

5

Trouble

7

0

SafeTorqueOff

10

0

MotorIdent

2

1

Warning

Fault

8

Init

1

Power on

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