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Communications Instructions
Publication 1763-RM001B-EN-P - April 2007
Routing Information File Element
Sub-
Bit
Description
Element
0
-
Subtype of Ethernet Message:
• 16 (0x10) for normal Multi-Hop MSG
• 17 (0x11) for Remote Multi-Hop MSG for a DH+ Network
1
-
High word of 32-bit target IP address
2
-
Low word of 32-bit target IP address
3
8 to 15
Internal Object Identifier (IOI) size in words (1 to 5)
0 to 7
ASA Service Code
4 to 8
-
ASA Internal Object Identifier (IOI)
9
-
ASA Connection Path Size in words (1 to 8)
10 to 17
-
ASA Connection Paths
18 to 19
-
Reserved for future use - always 0
(1) IP address is stored in network byte order (big-endian order). For example, IP address 10.121.30.11 will be stored as
0x0a791e0b. Then the IP address will be stored as described in the table below.
Sub-Element
Bit
1
8 to 15
0 to 7
2
8 to 15
0 to 7
Channel 1 Ethernet
In each MSG instruction setup screen, enter in RIx:y for the Routing
Information FIle, where x is an existing RI file number or an unused file
number, and y is an unused RI element number. Each Channel 1 Ethernet
MSG Instruction must have its own RIx:y. If the RIx:y entered in the MSG
setup screen does not yet exist, then the programming software will
automatically create it when the rung is verified.
(1)
Value
0x79 (decimal value: 121)
0x0a (decimal value: 10 )
0x0b (decimal value: 11 )
0x1e (decimal value: 30 )
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