Rockwell-automation 4100 ESRS Encoder Signal Reference Simulator Insta User Manual download pdf (Page 17)

Publication 4100-IN505A-EN-P - October 2000

Overview 1-5

Quadrature Output

Index Pulse

I/O Filtering

Table 1.D Quadrature Output

Number of quadrature outputs provided. One

Output format Incremental quadrature with Index pulse.

Output data type RS422 TTL Levels.

Quadrature output frequency 0 to 275kHz.

Quadrature output phase Forward is defined as A phase leading B.

Reverse is defined as B phase leading A.

Table 1.E Index Pulse

Index division ratios.

Selectable in the range : 2

, 2

pulses.

Index pulse type Gated

The index pulse is high (Logic 1 or

True) only when the selected

division ratio has been satisfied and

the A and B phases are High.

Table 1.F I/O Filtering

High Frequency Filtering. High Frequency filtering is provided on all

power, digital and analog I/O lines as

appropriate.

Over-Voltage Clamping Over-voltage clamping is provided on the

power supply inputs, the quadrature and

index outputs, and the “EXT LINE SPEED

IN” input.

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Rockwell-automation 4100 ESRS Encoder Signal Reference Simulator Insta User Manual Page 17