Trip fault queue number, Plc block transfer emulation instruction data, Message operation – Rockwell Automation 1203 Serial Communications Module Series B User Manual

Page 67: Example

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5–19

Block Transfer Emulation Instructions

1203–5.5 September 1995

The Trip Fault Queue Number provides the fault queue number of
the fault that caused the device to trip.

PLC Block Transfer Emulation Instruction Data

PLC request instruction length: 3 words
Drive response instruction length: 4 words

Header

Word 1

PLC Decimal Value

1794

Message Structure

Header

Word 2

Header

Word 3

PLC Request

Header Word 1

Header Word 2

Header Word 3

Message Length

Message Length

PLC Decimal Value

1794 –– Message OK

–30984 –– Message Error

0

Drive Response

3

0

4

Header

Word 4

Number of Trip Fault

Message Operation

The Trip Fault Queue Number function provides the number of the
entry in the fault queue that tripped the device in word 4 of the drive
response. The Fault Queue Number is 0 when the device is not
faulted.

If an error has occurred in the block transfer, word 2 of the response
is negative.

Example

In this example, the device has stored a fault in the first entry of the
Fault Queue that caused the drive to trip. Word 4 of the response
indicates the entry number.

Data File Format

3

1794

0

* Example only – These values vary depending on parameters and products.

6

1794

0

1*

0

N10:0

N10:90

1

2

3

4

5

6

7

8

9

PLC request

Drive response

Trip Fault Queue Number

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