
14–3Line Monitor Examples
Publication
17706.5.16 - 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
1770KF2
computer
1771KA2
PLC2/30
node 011
Command
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
DLE ACK
Path 2
10 06
Reply (sometime later)
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
DLE ACK
Path 2
10 06
Fullduplex PLC2 Line
Monitor Example
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