Trend file, Plc block transfer instruction data, All info – Rockwell Automation 1336T ControlNet Frn1.02 Rev 1.5 User Manual

Page 112

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4–70

Using Unscheduled Messaging

Publication 1336 FORCE–5.18 ––March, 1999

The All Info function allows you to read the set up information for a
trend file in a single message instead of reading the individual
parameters within the drive.

PLC Block Transfer Instruction Data

PLC Message Write instruction length:

3 words

PLC Message Read instruction length:

15 words

Header

Word 1

Header

Word 1

Header

Word 2

Header

Word 2

Header

Word 3

Trend Number

Message Structure

Header

Word 3

Trend Number

PLC Decimal Value

4098

PLC Decimal Value

4098 –– Message OK

–28670 –– Message Error

Message Length

3

Message Length

15

PLC Request –– PLC Message Write

Drive Response –– PLC Message Read

Data

Word 4

Trend Status

Data

Word 5

Trend Sample Size

Data

Word 6

Post Samples

Data

Word 7

Operator Data

Data

Word 8

Sample Time Rate

Data

Word 9

Mode

Data

Word 10

Comparison A Value

Data

Word 11

Comparison A Link

Data

Word 12

Comparison B Value

Data

Word 13

Comparison B Link

Data

Word 14

Sampling Input Parameter

Data

Word 15

Trend Output Parameter

Trend File

All Info

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