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

Page 175

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Block Transfer Write and Block Transfer Read Configurations for 7 Output/1 Input 1771-N Series Modules

K–3

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

49

High Clamp Value

50

Alarm

enable

Reset State

0

Maximum Ramp Rate, % of Full Scale per second

51

Reset Value

Channel 8 Programming

52

Low Scale Value

53

High Scale Value

54

Low Alarm Value

55

High Alarm Value

56

Alarm

enable

Rate Alarm: Scaled Units per second

57

Filter Time Constant: 0.1 second units

Alarm Deadband

58

Thermocouple Type

0

RTD Type

10 Ohm Offset: 0.01 Ohm units

Block Transfer Write Bit/Word Descriptions for 7 Output/1 Input

Modules

Word

Decimal Bit

(Octal Bit)

Definition

00-03

Constant = 0

Bits 04-07

Number of outputs = 0111 binary

Word 0

Bits 08-13

(10-15)

Constant = 00 1000 binary

Bits 14-15

(16-17)

Block transfer write type = 10 binary

Word 1

Bits 00-15

(00-17)

First Output channel data

Word 2

Bits 00-15

(00-17)

Second Output channel data

Word 3

Bits 00-15

(00-17)

Third Output channel data

Word 4

Bits 00-15

(00-17)

Fourth Output channel data

Word 5

Bits 00-15

(00-17)

Fifth Output channel data

Word 6

Bits 00-15

(00-17)

Sixth Output channel data

Word 7

Bits 00-15

(00-17)

Seventh Output channel data

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