Rockwell Automation 1779-KP5_KP5R ORD.1779-5.3 - Manual (Page 44)

Addressing from Data Highway Plus
Chapter 5
5Ć2
Figure 5.1
Data Highway II and Data Highway Plus Configuration
1779ĆKP5
Data Highway II
1784ĆT50
PLCĆ5
PLCĆ5 Data Highway
Plus
1779ĆKFL
16493
When you send a message to a Data Highway II node from Data Highway
Plus, you specify the address using the LINK, NODE, and USER fields
the same way as the normal Data Highway II addressing.
The LINK value for local addressing is always zero.
The NODE value of a Data Highway II node is the node address you set
on the module using the thumbwheels on the front panel.
The default USER value for all Data Highway II devices is 01. For a
1779-KFL module, the devices will have USER values of 01 and 02.
For example, a Data Highway II node, Address 15, connected to a
1779-KFL User 2, would have the address:
USER
02
NODE
15
LINK
00
Important: The address of the initiating Data Highway Plus node must
be between 02 and 20 (octal) so that the reply message can be returned. A
computer on Data Highway Plus cannot address a node on a remote link,
such as Data Highway II or another Data Highway Plus link.