Table of Contents
SECTION 1
SECTION 2
SECTION 3
1.1
Introduction .......................................................................................... 1-2
Interface ............................................................................................... 1-4
Wiring................................................................................................... 1-4
2.1
Data Format ................................................................................................ 2-2
Command Frame ................................................................................. 2-2
Response Frame ................................................................................. 2-3
Communications Data.......................................................................... 2-4
End Code Example .............................................................................. 2-4
2.2
PDU Structure...................................................................................... 2-6
Area Definitions.................................................................................... 2-6
Addresses ............................................................................................ 2-7
Number of Elements ............................................................................ 2-7
List of Services..................................................................................... 2-7
2.3
Read Variable Area.............................................................................. 2-9
Write Variable Area............................................................................ 2-10
Echoback Test ................................................................................... 2-14
Operation Command.......................................................................... 2-15
2.4
Response Code List.................................................................................. 2-20
3.1
3.2
Status ........................................................................................................ 3-15
Preface - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - I
Warranty and Limitations of Liability - - - - - - - - - II
Disclaimers - - - - - - - - - - - - - - - - - - - - - - - - - - - III
XI