Allen-Bradley MicroLogix 1400 Instruction Manual page 437

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Routing Information File Element
Sub-
Element
0
1
2
3
4...8
9
10...17
18...19
(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
1
2
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.
Bit Description
- Subtype of Ethernet Message:
• 16 (0x10) for normal Multi-Hop MSG
• 17 (0x11) for Remote Multi-Hop MSG for a DH+ Network
-
High word of 32-bit target IP address
- Low word of 32-bit target IP address
8...15 Internal Object Identifier (IOI) size in words (1...5)
0...7 ASA Service Code
- ASA Internal Object Identifier (IOI)
- ASA Connection Path Size in words (1...8)
- ASA Connection Paths
- Reserved for future use - always 0
Bit Value
8...15 0x79 (decimal value: 121)
0...7 0x0a (decimal value: 10 )
8...15 0x0b (decimal value: 11 )
0...7 0x1e (decimal value: 30 )
Communications Instructions
(1)
Publication 1766-RM001A-EN-P - October 2008
435