Publication 1766-RM001A-EN-P - October 2008
400
Communications Instructions
The Target file information contained in Sub-Elements 12…15 of the MSG
File Element depend upon the message type, as shown in the tables
below.
12
Target Location information (See tables on page 401 for options)
Y
Word
read only
13
MG11:0.TFN
Y
Word
read/write
14
MG11:0.ELE
Y
Word
read/write
15
Y
Word
read only
16
Control bits (See Control Bits table on page 402 for details)
N
16-bit
s
read/write
17
Status bits and Range parameter (See table on page 403 for details)
Mixed
16-bit
s
read only
18
MG11:0.ERR
Error code (See Error Codes on page 466)
N
Word
read only
19
Time since message started in seconds
N
Word
read only
20
Reserved
Word
read only
21
Internal message start time in seconds
N
Word
read only
22
bits 15-08: Internal ERR Error Code
bits 07-00: Internal Fail Code
Note: When CIP sub-system cannot send a message due to some
reason or reply contains error code, error code is displayed via MSG
instruction. When messaging through CIP communication and
non-zero Status Code was received, the low byte is 0xE0 and the high
byte of this sub-element contains detailed Status Code returned by
CIP reply for MicroLogix 1400
Note: When SMTP sub-system cannot send an email due to some
reason, error code is shown via MSG instruction. When messaging
through SMTP communication and the low byte is 0xDD, the high
byte of this sub-element contains detailed Fail Code returned by the
SMTP sub-system for MicroLogix 1400.
N
Word
read only
23
Extended Status Error Code from expansion I/O communications
module.
24
(1)
Supplemental Routing Path Data Address:
bits 7…0: Starting Element, bits 15…8: File Number
(1) Channel 1 only. Refer to the Routing Information File on page 434.
(2) User access refers to user program access (MSG File word or bit used as an operand for an instruction in a ladder program) or access via Comms while in any mode other
than download (via Programming Software or Memory Module).
Message File Elements
Sub-
Element
Name
Description
Paramet
er
Size
User Program
Access
(2)
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