Rockwell-automation 1734-IK/C POINT I/O 5V and 24V Encoder/Counter Mod Instrukcja Użytkownika Pobierz pdf (Strona 14)

14 POINT I/O™ 5V and 24V Encoder/Counter Modules

Publication 1734-IN005G-EN-E - September 2012

The Encoder/Counter Module uses several words to communicate real-time input and

output data as well as non-real time module information, that is, description, revision, and

configuration. This shows the words that you can exchange. You can read (get) or write

(set) data using an Explicit Message.

Filter Selection

(1)

07 06 05 04 03 02 01 00

0ZFBFAFFS

0000No filter

000150 kHz (10 μs + 0 μs/-1.6 μs)

00105 kHz (100 μs + 0 μs/-13.2 μs)

0100500 Hz (1 ms + 0 μs/-125 μs)

100050 Hz (10 ms + 0 ms/-1.25 ms)

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

(1)

Assumes a 50% duty cycle signal.

Scalar Selection

07 06 05 04 03 02 01 00 Scalar

(1)

00000001Z – F

min

= 0.149 Hz

00000 010Z/2 – F

min

= 0.298 Hz

00000100Z/4 – F

min

= 0.596 Hz

00001000Z/8 – F

min

= 1.192 Hz

00010000Z/16 – F

min

= 2.384 Hz

0010 0000Z/32 – F

min

= 4.768 Hz

01000000Z/64 – F

min

= 9.537 Hz

10000000Z/128 – F

min

= 19.073 Hz

(1)

Where F

min

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

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