Bosch PIN8 N1 Anleitung zur Fehlerbehebung PDF herunterladen (Seite 276)

100

101

6-64 Drive Control MPH-02, MPB-02, MPD-02

DOK-INDRV*-MP*-02VRS**-FK01-EN-P

Current and Torque Limitation (Open-Loop)

Brief Description

In open-loop operation there is a current limitation and a torque/force

limitation available in the drive. Both limitations take effect independently

of each other.

See section "Current and Torque Limitation (Closed-Loop)"

Other possibilities of current and torque limitation in open-loop operation:

• limitation of the available peak current or torque by dynamic controller

and motor protection equipment with current limitation loops

• user-side limitation of the available torque or force via stall protection

loop

P-0-4046

current

limitation

loop

stall

protection

loop

P-0-0048

S-0-0040

velocity command

value

DF000082v02_en.fh7

U/f regulation (open-loop)

torque/

force limitation

current

limitation

P-0-0442

P-0-0443

S-0-0040: velocity feedback value

P-0-0048: effective velocity command value

P-0-0442: actual value torque limit positive (stationary)

P-0-0443: actual value torque limit negative (stationary)

P-0-4046: effective peak current

Fig. 6-42: Principle of current and torque limitation (open-loop)

Operating Principle of Stall Current Loop and Current

Limitation Loop

See also "Functional Description: Stall Protection Loop" in section "Motor

Control: Voltage-Controlled Operation (Open-Loop)"

See also "Functional Description: Current Limitation Loop" in section

"Motor Control: Voltage-Controlled Operation (Open-Loop)"

Current and Torque Limitation (Closed-Loop)

Brief Description

In closed-loop operation there is a current limitation and a torque/force

limitation available in the drive. Both limitations take effect independently

of each other.

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