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