Bosch PIN8 N1 Průvodce řešením problémů stáhnout pdf (Strana 314)

100

101

7-8 Operating Modes MPH-02, MPB-02, MPD-02

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

Diagnostic Messages and Monitoring Functions

Diagnostic Status Message

The activated "torque/force control" mode is displayed by the following

diagnostic message:

• A0100 Drive in TORQUE control

Monitoring Functions

Monitoring functions in torque/force control:

• The value of parameter S-0-0036, Velocity command value is limited

S-0-0091, Bipolar velocity limit value. If the value in S-0-0036 is

higher than the value in S-0-0091, the E2063 Velocity command

value > limit S-0-0091 warning is generated.

7.3 Velocity Control

Brief Description

In the "velocity control" mode a velocity command value is preset for the

drive. The velocity command value is limited by ramps and filters.

torque/force

command value

effective

velocity command

value

DF0026v1.fh7

velocity command

value

command value adjust-

ment for velocity loop

velocity loop

current loop

Fig. 7-4: "Velocity control" block diagram

• an external velocity command value (sum of S-0-0036, Velocity

command value and S-0-0037, Additive velocity command value)

is preset via analog inputs or master communication interface

(SERCOS, field bus, ...)

• selection of predefined and internally stored velocity command value

steps (fixed values) via digital inputs (e.g. jogging forward/backward,

feeding, setting up, ...)

• window comparator for masking critical velocity ranges in the

command value channel (e.g. machine resonances) with

corresponding acceleration adjustment (cf. P-0-1209)

• ramp generator with separately adjustable two-stage acceleration and

deceleration limits of the preset velocity command value; switching

from ramp 1 to ramp 2 is done with selectable velocity and run-up stop

that can be parameterized

• velocity control via a digital PI loop with extensive filter measures

• monitoring the command velocity and actual velocity for exceeding

parameter S-0-0091, Bipolar velocity limit value

• smoothing of velocity control loop difference via filter that can be

parameterized

E2063 Velocity command value >

limit S-0-0091

Features

Base package of all variants

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