Run time accumulator, Plc block transfer instruction data, Message operation – Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx User Manual

Page 196: Example, Clear run time accumulator

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7–50

Publication 1336 FORCE–5.13 –– September, 1998

The Clear Run Time Accumulator message provides a way of
clearing the run time accumulator data stored in the drive.

PLC Block Transfer Instruction Data

BTW instruction length:

3 words

BTR instruction length:

3 words

Header

Word 1

Header

Word 1

Header

Word 2

Header

Word 2

Header

Word 3

0

Message Structure

Message Length

3

Header

Word 3

0

PLC Decimal Value

-29950

PLC Decimal Value

2818 –– Message OK

-29950 –– Message Error

Message Length

3

PLC Request –– Block Transfer Write

Drive Response –– Block Transfer Read

Message Operation

The Clear Run Time Accumulator defines a value of -29950 in the
BTW. Word 2 can clear the accumulated run time stored in the
drive. This allows you to monitor an accumulated time based on a
specific event.

Example

This function was requested to clear the accumulated run time in the
drive since the last scheduled maintenance downtime. In this
example, the BTW requested a clear with a value of -29950 in word
2. The BTR response indicated a successful clear by returning a
value of 2818 in word 20 of the BTR header message.

1

0

N10:10

2

3

4

5

6

7

8

9

N10:90

BTW
Data File

BTR
Data File

Data Format

0

0

3

3

-29950

2818

Run Time Accumulator

Clear Run Time Accumulator

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