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

Page 106

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Block Transfer Write and Block Transfer Read Configurations for 2 Output/2 Input 1771-N Series Modules

D–2

Publication 1771ĆUM127B-EN-P - December 2002

00

01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

Word/Dec. Bit

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

Word/Octal Bit

18

High Scale Value

19

Low Alarm Value

20

High Alarm Value

21

Alarm

enable

Rate Alarm: Scaled Units per second

22

Filter Time Constant: 0.1 second units

Alarm Deadband

23

Thermocouple Type

0

RTD Type

10 Ohm Offset: 0.01 Ohm units

Channel 4 Programming

24

Low Scale Value

25

High Scale Value

26

Low Alarm Value

27

High Alarm Value

28

Alarm

enable

Rate Alarm: Scaled Units per second

29

Filter Time Constant: 0.1 second units

Alarm Deadband

30

Thermocouple Type

0

RTD Type

10 Ohm Offset: 0.01 Ohm units

31-58

Null

Block Transfer Write Bit/Word Descriptions for 2 Output/2 Input

Modules

Word

Decimal Bit

(Octal Bit)

Definition

00-03

Constant = 0

Bits 04-07

Number of outputs = 0010

Word 0

Bits 08-13

(10-15)

Constant = 00 1000

Bits 16-17

Block transfer write type = 10

Word 1

Bits 00-15

(00-17)

First Output channel data

Word 2

Bits 00-15

(00-17)

Second Output channel data

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