Application status services, Plc block transfer instruction data, Message operation – Rockwell Automation 1336T Function Block Prog. Manual, Series A/B User Manual
Page 122: Example, Read task name
5–6
Block Transfer Services
1336 FORCE — 5.9 August 1995
The Read Task Name message is used to read a text string from a data
buffer. The text string is the function block task name, and may
contain up to 16 characters.
PLC Block Transfer Instruction Data
BTW Instruction Length:
3 Words
BTR Instruction Length:
11 Words
0
Header
Word 1
Header
Word 1
3846
0
3846 –– Message OK
0
Message Structure
Header
Word 2
Data
Word 3
Header
Word 2
Header
Word 3
0
PLC Request –– Block Transfer Write
Drive Response –– Block Transfer Read
Dec
Data
Word 4
Data
Word 11
Char 2
Char 1
Char 16
Char 15
•
••
•
••
•
••
–28922 –– Message Error
Message Operation
The User ID Text String allows you to read the task name from a data
buffer. The task name can be up to 16 characters.
Example
This example shows the Read Task Name operation in ASCII
representation:
1
0
N10:10
2
3
4
5
6
7
8
9
N10:90
BTW
Data File
BTR
Data File
Data Format
0
\00\00
rd
0
\00\00
\0F\06
\0F\06
vi
e
1#
Application Status
Services:
Read Task Name