Bosch PIN8 N1 Instrukcja Naprawy Pobierz pdf (Strona 514)

100

101

8-82 Drive Functions MPH-02, MPB-02, MPD-02

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

Note: In the case of a mechanical system with slip (e.g. V-belt)

between motor and spindle, an optional encoder is obligatory!

The encoder used for spindle positioning is defined by the bit for encoder

selection in S-0-0147, Homing parameter.

If the encoder selected for spindle positioning doesn’t yet have the

position data reference to the spindle (see S-0-0403, Position feedback

value status), the position data reference is automatically established

during the execution of spindle positioning!

See also section "Establishing the Position Data Reference"

The figure below illustrates the basic sequence of the drive function

"spindle positioning".

DK000047v01_en.fh7

S-0-0336,

Message In position

start of command

"position spindle"

S-0-0403,

Pos. feedback val. status

(bit "status of reference encoder")

reference encoder without position data reference

reference encoder has

position data reference

detecting the spindle

reference signal

target position

decelerating

with ramp (P-0-1201 to P-0-1203)

or filter (P-0-1222), if necessary

S-0-0041,

Homing velocity

S-0-0222,

Spindle positioning speed

S-0-0042,

Homing acceleration

accelerating and decelerating

with

S-0-0372, Drive Halt acceleration bipolar

Fig. 8-69: Basic sequence of spindle positioning (including establishing the

position data reference)

The following parameters signal that the target position for spindle

positioning has been reached:

• S-0-0336, Message In position and

• S-0-0013, Class 3 diagnostics

The target position is signaled to have been reached when

• velocity command value and actual velocity value are lower than the

threshold value in parameter S-0-0124, Standstill window

- and -

• the distance to target position is smaller than the value in parameter

S-0-0057, Position window.

See also Parameter Description "S-0-0013, Class 3 diagnostics"

Spindle Positioning with Non-

Homed Control Encoder

Message "Target Position

Reached"

1 2 ... 509 510 511 512 513 514 515 516 517 518 519 ... 727 728

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