Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual User Manual
Page 96
Block Transfer Write and Block Transfer Read Configurations for 0 Output/8 Input 1771-N Series Modules
B–8
Publication 1771ĆUM127B-EN-P - December 2002
Definition
Decimal Bit
(Octal Bit)
Word
Bit 04
Low alarm. This bit is set if alarms are enabled and the input
data is lower than the low alarm setpoint.
Bit 05
High alarm. This bit is set if alarms are enabled and the input
data is higher than the high alarm setpoint.
Bit 06
Rate alarm. This bit is set if the input signal changed at a rate
faster than the input rate alarm setpoint.
Word 4 continued
Bit 07
Not used. Always 0
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)
Not used. Always = 1
Word 5
Bits 00-15
(00-17)
Channel 1 input data.
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