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

Page 162

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Block Transfer Write and Block Transfer Read Configurations for 6 Output/2 Input 1771-N Series Modules

I–10

Publication 1771ĆUM127B-EN-P - December 2002

Definition

Decimal Bit

(Octal Bit)

Word

Bit 05

High alarm. This bit is set if alarms are enabled and the input

signal is higher than the high alarm setpoint.

Bit 06

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

signal changed at a rate faster than the input rate alarm

setpoint.

Bit 07

Not used. Always 0.

Word 16 continued

Bit 08 (10)

Bad program. This bit is set if any of the channel level

programming data is illegal.

Bit 09 (11)

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

calibration.

Bits 10-14

(12-16)

Not used. Always 0.

Bit 15 (17)

I/O select bit.

0 = output,

1 = input.

This bit is set to 1.

Word 17

Bits 00-15

(00-17)

Channel 7 input data.

Words 18 and 19

Same as words 16 and 17 but for channel 8.

Words 20 thru 27

For factory use only.