Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual - Manual (Page 109)

Block Transfer Write and Block Transfer Read Configurations for 2 Output/2 Input 1771-N Series Modules D–5
Publication 1771ĆUM127B-EN-P - December 2002
Block Transfer Read Word Assignments for 2 Output/2 Input
Module
Word/Dec. Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Word/Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
0 Constant = 8800 Hexadecimal
1
Power
up
Bad
Chan.
Data
Mod
Alarm
RTS
Time
out
I/O
Reset
Program
Verify
Mod
Fault
Bad
Prog
Bad
Struct
Unused = 0
2 1 Unused = 0
CJC
Over
Range
CJC
Under
Range
3 Cold Junction Temperature; Units of 0.01 degrees C or 0.1 degrees F
Channel 1 Status
4 0 Unused = 0
Bad
Calib
Bad
Prog
Bad
Data
Rate
Alarm
High
Clamp
Low
Clamp
Unused = 0
5 Channel 1 Raw Count sent to DAC
Channel 2 Status
6 0 Unused = 0
Bad
Calib
Bad
Prog
Bad
Data
Rate
Alarm
High
Clamp
Low
Clamp
Unused = 0
7 Channel 2 Raw Count sent to DAC
Channel 3 Status
8 1 Unused = 0
Bad
Calib
Bad
Prog
0
Rate
Alarm
High
Alarm
Low
Alarm
Unused = 0
Over
Range
Under
Range
9 Input Data
Channel 4 Status
10 1 Unused = 0
Bad
Calib
Bad
Prog
0
Rate
Alarm
High
Alarm
Low
Alarm
Unused = 0
Over
Range
Under
Range
11 Input Data
12-19 For factory use only
20-27 Null