Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual User Manual
Page 93
Block Transfer Write and Block Transfer Read Configurations for 0 Output/8 Input 1771-N Series Modules
B–5
Publication 1771ĆUM127B-EN-P - December 2002
Definition
Decimal Bit
(Octal Bit)
Word
Word 9 continued
Bits 12-15
(14-17)
Thermocouple type. Specifies type of TC linearization on TC
channels. 0000 = millivolts;
0001 = B;
0010 = E;
0011 = J;
0100 = K;
0101 = R;
0110 = S;
0111 = T;
1000 = C (1771ĆNT2 only);
1001 = N (1771ĆNT2 only).
This field must be 0 for non-thermocouple channels.
Words 10 thru 16
Same as words 3 thru 9 but for channel 2.
Words 17 thru 23
Same as words 3 thru 9 but for channel 3.
Words 24 thru 30
Same as words 3 thru 9 but for channel 4.
Words 31 thru 37
Same as words 3 thru 9 but for channel 5.
Words 38 thru 44
Same as words 3 thru 9 but for channel 6.
Words 45 thru 51
Same as words 3 thru 9 but for channel 7.
Words 52 thru 58
Same as words 3 thru 9 but for channel 8.
Block Transfer Read Word Assignments for 8 Input Modules
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
1
Unused = 0
Bad
Calib
Bad
Prog
0
Rate
Alarm
High
Alarm
Low
Alarm
Unused = 0
Over
Range
Under
Range
5
Channel 1 Input Data
Channel 2 Status
6
1
Unused = 0
Bad
Calib
Bad
Prog
0
Rate
Alarm
High
Alarm
Low
Alarm
Unused = 0
Over
Range
Under
Range
7
Channel 2 Input Data
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
Channel 3 Input Data