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Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual User Manual

Page 49

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2–29

How Communication Takes Place and I/O Image Table Mapping

Publication 1794ĆUM057B-EN-P - November 2001

Description

Decimal Bit

(Octal Bit)

Word

Write Word 1

00-01 (00-01) Module Data Type

Bit

01

00

Definition

0

0

o

C (default)

0

1

o

F

1

0

Bipolar counts scaled between -32768 and +32767

1

1

Unipolar counts scaled between 0 and 65535

Bit 02 (02)

Fixed Digital Filter - When this bit is set (1), a software digital filter is enabled. This filter settles to

100% of a Full Scale step input in 60 scans.

03-05 (03-05) A/D Filter First Notch Frequency

Bit

05

04

03

Definition

0

0

0

10Hz (default)

0

0

1

25Hz

0

1

0

50Hz

0

1

1

60Hz

1

0

0

100Hz

1

0

1

250Hz

1

1

0

500Hz

1

1

1

1000hZ

06 (06)

Calibration High/Low bit - This bit is set during gain calibration; reset during offset calibration.

07 (07)

Calibration clock- this bit must be set to 1 to prepare for a calibration cycle; then reset to 0 to initiate

calibration.

08-15 (10-17) Calibration mask- The channel, or channels, to be calibrated will have the correct mask bit set. Bit 8

corresponds to channel 0, bit 9 to channel 1, and so on.