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

Page 148

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Block Transfer Write and Block Transfer Read Configurations for 4 Output/4 Input 1771-N Series Modules

H–6

Publication 1771ĆUM127B-EN-P - December 2002

Block Transfer Read Word Assignments for 4 Output/4 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

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

0

Unused = 0

Bad

Calib

Bad

Prog

Bad

Data

Rate

Alarm

High

Clamp

Low

Clamp

Unused = 0

9

Channel 3 Raw Count sent to DAC

Channel 4 Status

10

0

Unused = 0

Bad

Calib

Bad

Prog

Bad

Data

Rate

Alarm

High

Clamp

Low

Clamp

Unused = 0

11

Channel 4 Raw Count sent to DAC

Channel 5 Status

12

1

Unused = 0

Bad

Calib

Bad

Prog

0

Rate

Alarm

High

Alarm

Low

Alarm

Unused = 0

Over

Range

Under

Range

13

Channel 5 Input Data

Channel 6 Status

14

1

Unused = 0

Bad

Calib

Bad

Prog

0

Rate

Alarm

High

Alarm

Low

Alarm

Unused = 0

Over

Range

Under

Range

15

Channel 6 Input Data

Channel 7 Status

16

1

Unused = 0

Bad

Calib

Bad

Prog

0

Rate

Alarm

High

Alarm

Low

Alarm

Unused = 0

Over

Range

Under

Range

17

Channel 7 Input Data

Channel 8 Status

18

1

Unused = 0

Bad

Calib

Bad

Prog

0

Rate

Alarm

High

Alarm

Low

Alarm

Unused = 0

Over

Range

Under

Range

19

Channel 8 Input Data

20-27

For factory use only.

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