Allen-Bradley MicroLogix 1400 Instruction Manual page 532

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530 Recipe and Data Logging
Command Structure
DST SRC CMD 0f
Field
DST
SRC
CMD
STS
TNS
FNC
Byte Size
File Number
File Type
Element Number
Sub/Element Number
Publication 1766-RM001A-EN-P - October 2008
Information for Creating Your Own Application
Controller Receives Communications Packet
STS TNS FNC A2
Table 4:
Function
Destination Node
Source Node
Command Code
Status Code
Transaction Number
Function Code
Number of bytes to be read
Queue number
Equation
Record Field 1 + Record Field
2
Record Field Sizes
Data Type
Word
Long Word
Date Field
Time Field
Float
String
The formatted string length cannot exceed 109 bytes in length.
NOTE
Byte Size File No. File Tpe
Description
Set to zero (0)
Always 2 bytes
Formatted string length (see equation below)
Always set to zero (0)
Must be A5 (hex)
Determines the queue to be read (0...255)
Always set to zero (0)
+ Record Field ... + Record Field 7
3
Maximum Size
7 bytes (characters)
12 bytes (characters)
11 bytes (characters)
9 bytes (characters)
14 bytes (characters)
90 bytes (characters)
Ele. No. S/Ele. No.
= Formatted
String Length