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IP 266 Fundamentals of COM 266

Data area:

"Type" column: I = input field, O = output field

TypeField name

Module:

Meas.System:

Axis type:

Reference

speed 1:

Description

These fields are the same as those in the data area on page 1.

I The drive begins a reference point approach at this speed. Reference

speed 1 is the higher of the two speeds for the initial approach to

reference point, and must be less than or equal to the maximum speed.

Reference

speed 2:

Reference

direction:

I Defines the direction for the reference point approach. Use <F7> to

choose between 'forward' and 'reverse'.

Pulses/

revolution:

Travel/

revolution:

I The distance traversed per encoder revolution must be entered in this

field. The value must take into account all ratios between encoder and

axis.

PLC BCD coded: I When you select "yes" with <F7>, all coordinates transferred from the

PLC are interpreted in BCD code. The value range in BCD format is

restricted to +/-9999999 µm.

Polarity HW limit

switch:

I This field is used to indicate which edge of the limit switch or "External

Stop" signal is to be evaluated.

Specifies the number of pulses per encoder revolution (this information

can be obtained from the encoder's rating plate).

The IP 266 requires this speed for an exact approach to the reference

point. Reference speed 2 must be less than or equal to the maximum

speed and less than or equal to reference speed 1.

The "travel/pulses" resolution is computed from the values for "travel/revo-

lution" and "pulses/revolution"

EWA 4NEB 812 6057-02

6-35

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