Publication 1766-RM001A-EN-P - October 2008
Communications Instructions
435
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.
Routing Information File Element
Sub-
Element
Bit
Description
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
(1)
(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.
2
-
Low word of 32-bit target IP address
3
8…15
Internal Object Identifier (IOI) size in words (1…5)
0…7
ASA Service Code
4…8
-
ASA Internal Object Identifier (IOI)
9
-
ASA Connection Path Size in words (1…8)
10…17
-
ASA Connection Paths
18…19
-
Reserved for future use - always 0
Sub-Element
Bit
Value
1
8…15
0x79 (decimal value: 121)
0…7
0x0a (decimal value: 10 )
2
8…15
0x0b (decimal value: 11 )
0…7
0x1e (decimal value: 30 )
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