Yaskawa SGDB User Manual

Page 110

APPLICATIONS OF Σ-SERIES PRODUCTS

3.2.11 Using the Reference Pulse Input Filter Selection Function

Relationship between INHIBIT Signal and Reference Pulse

/INHIBIT signal

(/P-CON)

Reference pulse

Input reference pulses

are not counted

during this period.

t1, t2 ² 0.5 ms

3.2.11 Using the Reference Pulse Input Filter Selection Function

This function selects a reference pulse input filter inside the SERVOPACK according to
the output form of reference pulses from the host controller.

How to Use Reference Pulse Input Filter

Set the following memory switch according to the output form of reference pulses from
the host controller:

Cn-02 Bit F

Reference Pulse Input Filter

Selection Function

Factory

Setting: 0

For Position Control Only

Sets the memory switch according to the output form (line driver or open collector) of ref-
erence pulses from the host controller.

Setting

Meaning

Output form of reference pulses from host controller: Line driver output (maximum

frequency of reference pulse: 450 kpps)

Output form of reference pulses from host controller: Open collector output

(maximum frequency of reference pulse: 200 kpps)

For open collector output, the wire length must be as short as possible (maximum 3 m).