2 internal state machine, 9400 highline | parameter setting & configuration – Lenze E94AxHE Servo Drives 9400 HighLine (Firmware 01-37) User Manual

Page 141

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Firmware 1.37 - 09/2006

141

9400 HighLine | Parameter setting & configuration

Basic drive functions

General information | Internal state machine

9.1.2

Internal state machine

The execution of the different basic functions is internally controlled by a state machine

which can adopt the following "function states":

[9-1]

Function states of the state machine "Basic functions"

The state machine ensures that:

r

one basic function at a time adopts the control of the drive.

r

only the basic function with the highest priority (= smallest number) is executed if

several basic functions are activated at the same time.

Priorities

(C 145)

r

the drive always has a defined state both in case of error and in normal operation.

ManualJog

On operator input request,
the drive travels at
constant speed.

Homing

Drive travels to home
target position.

Error

Drive does nothing
due to an error.

Stopping

Drive stops as defined.

Quickstop

Drive stops as defined
and holds the position.

SpeedFollower

Drive continuously follows
a speed setpoint.

Positioning

Drive executes
a positioning command.

DriveNotReady

Drive has no torque
(no error).

Standstill

Drive holds position.

Init

Drive does nothing,
basic functions are being
initialised.

Optional limitation
by basic

function.

Limiter

Optional additional braking
by basic
function.

Brake control

PositionFollower

Drive continuously follows
a position setpoint.

TorqueFollower

Drive continuously follows
a torque setpoint.

1

3

2

9

10

11

4

5

7

8

6

x

= Priority

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