Description of the transfer conditions – Festo Контроллеры двигателя SFC-LAC User Manual

Page 331

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C. Object directory DS402 and CI

C−5

Festo GDCP−SFC−LACI−CO−EN en 0812NH

Status

Description

H

Fault reaction active"

This status can be assumed from any situation if a serious error
is detected. The parameterised error response (emergency ramp,
immediate stop etc.) is executed. Communication via the fieldbus
is maintained, parameter modifications are permitted. The motor
remains switched on.

I

Fault"

In this status the motor remains switched on, provided the error
which has occurred permits. Otherwise the output stage is disabled
and the mechanical brake is actuated. No more positioning moveĆ
ments are executed.

Tab. C/9: Description of the states

Description of the transfer conditions

Condition for status
transfer

Description

0

Start" −>
Not ready to switch on"

This status transition always takes place unconditionally after a
(re)start.

1

Not ready to switch on"
−> Switch on disabled"

The self−test of the 5 V logic has been completed successfully.
Communication via the fieldbus can, but does not have to be already
active.
No special signal levels from DS402 are required for the change of
status (automatic transfer).

2

Switch on disabled"
−> Ready to switch on"

Fault reset = 0, Quick stop = 1, Enable voltage = 1, Switch on = 0.
No serious error.

3

Ready to switch on"
−> Switched on"

Fault reset = 0, Enable operation = 0, Quick stop = 1,
Enable voltage = 1, Switch on = 1.
Note: In DS402 the same status transition also for Enable Operation
= 1, rest the same. This combination is also provided for transitions
4 and 16 however, but in 4 there is a conflict. So this combination is
not applied here.
No serious error.

4

Switched on"
−> Operation enable"

Fault reset = 0, Enable operation = 1, Quick stop = 1,
Enable voltage = 1, Switch on = 1.
No serious error.

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