Time stamp, Plc block transfer instruction data, Message operation – Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx User Manual
Page 201: Example, Load clock info reference stamp
7–55
Publication 1336 FORCE–5.13 –– September, 1998
The Load Clock Info Reference Stamp message loads the real–time
clock data into the reference stamp.
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
Header
Word 3
0
PLC Decimal Value
0
PLC Decimal Value
2818 –– Message OK
-29950 –– Message Error
Message Length
3
Message Length
0
PLC Request –– Block Transfer Write
Drive Response –– Block Transfer Read
Message Operation
The Load Clock Info Reference Stamp function specified in the
BTW sends the real–time clock data to the reference stamp. The
reference stamp time then follows the real–time clock data.
Example
In this example, the request to load the real–time clock data into the
reference stamp was sent through the BTW. The BTR responded
with a message of OK.
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
0
0
2818
Time Stamp
Load Clock Info Reference
Stamp