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Filter selection scalar selection – Rockwell Automation 1738-VHSC24M23 ArmorPoint 24V dc Very High Speed Counter Module, Series A User Manual

Page 12

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Publication 1738-IN011B-EN-E - August 2013

12 ArmorPOINT 24V DC Very High Speed Counter Modules, Series A

Filter Selection

Scalar Selection

07

06

05

04

03

02

01

00

0

ZF

BF AF

FS

0

0

0

0

No Filter

0

0

0

1

50kHz (10

μ

s + 0

μ

s/-1.6

μ

s)

0

0

1

0

5kHz (100

μ

s + 0

μ

s/-13.2

μ

s)

0

1

0

0

500Hz (1.0ms + 0ms/-125

μ

s)

1

0

0

0

50Hz (10ms + 0ms/-1.25ms)

0

A input not filtered

1

A input filtered

0

B input not filtered

1

B input filtered

0

Z input not filtered

1

Z input filtered

07

06

05

04

03

02

01

00

Scalar

1

0

0

0

0

0

0

0

1

Z - F

min

= 0.149Hz

0

0

0

0

0

0

1

0

Z/2 - F

min

= 0.298Hz

0

0

0

0

0

1

0

0

Z/4 - F

min

= 0.596Hz

0

0

0

0

1

0

0

0

Z/8 - F

min

= 1.192Hz

0

0

0

1

0

0

0

0

Z/16 - F

min

= 2.384Hz

0

0

1

0

0

0

0

0

Z/32 - F

min

= 4.768Hz

0

1

0

0

0

0

0

0

Z/64 - F

min

= 9.537Hz

1

0

0

0

0

0

0

0

Z/128 - F

min

= 19.073Hz

1

Where Fmin indicates the frequency at which the zero frequency detect is asserted due
to counter overflow.