GEH-6641E
—————— Function Description ——————
118
Ch.1
1.11 STOP OPTION CONTROL (STOP OPTION)
1.11.1 Direct Current Braking Control - DC Braking
The Function allows to stop the motor with a direct current braking.
The current injection can be activated via an external command, via the DCbrake cmd src source or automati-
cally via an internal command when the stop command is performed. Such command can be activated by setting
DCbrake mode = “at stop”.
It is possible to have simultaneously both the internal and the external command. They both work on a OR logic.
Furthermore, the function is made of:
- a waiting phase between the command emission and the duration of the programmable injection
- a direct current injection phase, whose intensity and duration can be programmed.
Via DCBrake delay it is possible to set the waiting phase between the command and the injection duration.
NOTE! If the external command is a pulse shorter than the programmed injection time, the injection
phase lasts for the programmed time. If the external command is a pulse longer than the
programmed injection time, the injection phase lasts till the end of the external command.
With DCBrake duration it is possible to set the current injection duration while DCBrake current allows to set
the current intensity.
Description:
STOP OPTION DC braking
DCbrake mode
DCbrake delay
DCbrake duration
DCbrake current
DCbrake cmd src
Dcbrake state
STOP OPTION SAVE PERAMETERS
DCbrake mode Off - At Stop: internal command (standard Off).
DCbrake delay delay between the injection command and the injection of the current itself (standard 0.5sec).
DCbrake duration duration of the current injection. See the note about the external command
DCbrake current braking current as a percentage of Drive continuos current (standard 50%)
DCbrake cmd src external command source (standard NULL)
DCbrake state DC Brake state . Active, non-active.
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