Record composition – Festo Контроллер двигателя SFC-ST User Manual
Page 101

A. Technical appendix
A−17
Festo P.BE−SFC−DC−PB−S7−E N en 0604NH
Record composition
A positioning task in Record Select mode is written with one
record of nominal values. Each nominal value is addressed by
its own PNU. A record consists of the nominal values with the
same subindex.
Causes of faults in application:
ć
referencing has not been carried out
ć
the target position and/or the preselect position cannot
be reached
ć
invalid record number
ć
record not initialized.
Overview of parameters involved (see appendix B.1.2)
Parameters involved
Description
PNU
Record control byte 1
401
Nominal value
404
Speed
406
Acceleration move towards
407
Deceleration braking
408
Start
SFC_DC_CONTROL ć Start_Positioning_Task = positive edge: Start
Ĉ Jogging and referencing have priority.
Reply message
SFC_DC_CONTROL ć MC = 0: Motion Complete
SFC_DC_CONTROL ć Ack_Start = positive edge: Quit Start
SFC_DC_CONTROL ć Drive_is_moving = 1: Drive moves
Prerequisites
Device control via PLC/field bus (Drive_Control_FCT_HMI = 0)
Controller in status Drive enabled" (Drive_enabled = 1)
Record number must be valid (Record_No = 0 ... 31)
Tab. A/9:
Parameters involved Record Select