Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 235)

14–3 Line Monitor Examples
Publication 1770Ć6.5.16 - October 1996
In the following example an unprotected read (CMD 01 hex) is sent:
•
from a computer connected to a 1770-KF2 with Data Highway
node address 012 (octal)
•
to the PLC-2/30 connected to a 1771-KA2 with Data Highway
node address 011 (octal)
node 012
DH link
1770ĆKF2
computer
1771ĆKA2
PLCĆ2/30
node 011
Command
Path 1
DLE STX DST SRC CMD STS TNS ADDR SIZE DLE ETX BCC
Path 1
10 02 09 00 01 00 01 00 11 00 02 10 03 E2
Path 2
DLE ACK
Path 2
10 06
Reply (sometime later)
Path 1
DLE STX DST SRC CMD STS TNS DATA DLE ETX BCC
Path 1
10 02 0A 09 41 00 01 00 FF FF 10 03 AD
Path 2
DLE ACK
Path 2
10 06
FullĆduplex PLCĆ2 Line
Monitor Example