TABLE OF CONTENTS
DOCUMENT SCOPE.................................................................................................5
Document Scope..............................................................................................5
Supplementary Documents ..............................................................................5
1.2.1 System Documentation...........................................................................5
1.2.2 Module Documentation...........................................................................5
iMAC2 CONTROLLER ETHERNET COMMUNICATIONS OVERVIEW .....................6
Specifications...................................................................................................6
Connecting to the Ethernet Port for the First Time............................................7
Modbus TCP/IP Protocol................................................................................10
THE iMAC2 CONTROLLER’S DATA POINT TABLE................................................11
Data Point Table.............................................................................................11
System Data Segment....................................................................................12
3.2.1 System Data Register...........................................................................13
3.2.2 System Status Register ........................................................................14
3.2.3 EOL Series Resistance Register...........................................................15
3.2.4 Line Shunt Resistance Register............................................................15
Module Data Segment....................................................................................16
3.3.1 Module Data Register...........................................................................16
3.3.2 Module Status Register.........................................................................17
3.3.3 Module Series Resistance Register......................................................18
3.3.4 Module Error Register...........................................................................18
System Runtime Segment..............................................................................19
3.4.1 System Control Register.......................................................................19
3.4.2 System ID and LED Control Register....................................................21
3.4.3 EOL Serial Number Register.................................................................21
3.4.4 L1 Data Block Just Complete Register..................................................22
3.4.5 Application (SLP) Software Loop Timer Counter Register.....................22
3.4.6 Module Rollcall Registers .....................................................................23
3.4.7 Remote Key Press Register..................................................................26
3.4.8 Message System Page Control Register...............................................26
3.4.9 Block Request Register ........................................................................27
3.4.10 EOL Offline Count Register.................................................................27
3.4.11 EOL Clash Count Register..................................................................27
