Description of the control bytes ccon, cpos, cdir – Festo Контроллеры двигателя SFC-LAC User Manual

Page 138

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5. Commissioning

5−42

Festo P.BE−GDCP−SFC−LACI−PB−E N en 0812NH

5.6.5

Description of the control bytes CCON, CPOS, CDIR

CCON

With control byte 1 (CCON) all the states which must be
available in all operating modes are controlled. The
cooperation of the control bits can be found under the
description of the drive functions in section 5.7.

Control byte 1 (CCON)

Bit

EN

Description

B0
ENABLE

Enable Drive

= 1: Drive (controller) enable
= 0: Drive (controller) blocked

B1
STOP

Stop

= 1: Enable drive.

Any error will be deleted.

= 0: STOP active: The axis stops with the fast stop ramp

(QuickĂStop) or with the normal stop ramp
(compareĂPNUĂ1020/605Dh).
The positioning task counts as finished.

B2
BRAKE

Brake

If the SFC−LACI is

not in the ready" state

(Status word does not equal operation_enable"):
= 0: Close brake / clamping unit
= 1: Open brake / clamping unit.
In the ready" condition, the controller takes over control of the
brake output. Control of the output via the PLC is then not possible.

B3
RESET

Reset Fault

With a rising edge a fault is acknowledged and the fault number is
deleted

B4

ć

reserved, must be at 0

B5
LOCK

Lock HMI access

Controls access to the parameterisation interface:
= 1: MMI and FCT may only observe the drive, the device control

(HMI control) cannot be taken over by MMI and FCT.

= 0: MMI or FCT may take over the device control (in order to modify

parameters or to control inputs)

B6
OPM1

Select

Operating

Mode

= 00:

Record selection

= 01:

Direct mode

10

reserved

B7
OPM2

= 10:

reserved

= 11:

reserved

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