Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual User Manual

Page 103

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Block Transfer Write and Block Transfer Read Configurations for 8 Output/0 Input 1771-N Series Modules

C–7

Publication 1771ĆUM127B-EN-P - December 2002

Definition

Decimal Bit

(Octal Bit)

Word

Bit 06

Rate alarm. This bit is set if alarms are enabled and the output

data changed faster than the programmed ramp rate.

Bit 07

Bad data. This bit is set if BCD format was chosen and the

output data is not a legal BCD value.

Bits 08 (10)

Bad programming. This bit is set if the most recent BTW

contained improper programming data for this channel

Bit 09 (11)

Bad calibration. This bit is set if the channel has not had a valid

calibration.

Bits 10-15

(12-17)

Not used. Always = 0

Word 5

Bits 00-15

(00-17)

Channel 1 Raw data sent to DAC.

Words 6 and 7

Same as words 4 and 5 but for Channel 2.

Words 8 and 9

Same as words 4 and 5 but for Channel 3.

Words 10 and 11

Same as words 4 and 5 but for Channel 4.

Words 12 and 13

Same as words 4 and 5 but for Channel 5.

Words 14 and 15

Same as words 4 and 5 but for Channel 6.

Words 16 and 17

Same as words 4 and 5 but for Channel 7.

Words 18 and 19

Same as words 4 and 5 but for Channel 8.

Words 20 thru 27

For factory use only

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