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vi HC900 Hybrid Controller Communications User Guide Revision 4
9/03
Tables
Table 1-1 Modbus RTU Message Formats ________________________________________________ 5
Table 3-1 Modbus Double Register Format Selections ______________________________________ 10
Table 3-2 IEEE Floating Point Number Examples in FP B Format ____________________________ 12
Table 4-1 Modbus/TCP and Modbus RTU Function Codes Definitions_________________________ 17
Table 4-2 Maximum Number of Object Addresses _________________________________________ 18
Table 4-3 Maximum Number of Registers Allowable per Request_____________________________ 19
Table 4-4 DI/DO Address Mapping_____________________________________________________ 21
Table 4-5 Modbus Comm Digital I/O Channel to Address Mapping - Rack #1 ___________________ 21
Table 4-6 HC900 AI Address Mapping supported by Function Code 03 ________________________ 25
Table 4-7 HC900 AI Address Mapping supported by Function Code 04 ________________________ 27
Table 5-1 Modbus RTU Data Layer Status Exception Codes _________________________________ 36
Table 6-1 Global Register Map ________________________________________________________ 37
Table 6-2 Miscellaneous Register Map Addresses _________________________________________ 41
Table 6-3 Loop Value Register Map Addresses ___________________________________________ 42
Table 6-4 Analog Input Value Register Map Addresses - Function Code 03 _____________________ 47
Table 6-5 HC900 AI Address Mapping supported by Function Code 04 ________________________ 48
Table 6-6 Analog Input Value Register Map Addresses for Rack #1 - Function Code 04 ___________ 48
Table 6-7 Variable Register Map Addresses ______________________________________________ 49
Table 6-8 Time Register Map Addresses_________________________________________________ 50
Table 6-9 Signal Tag Register Map Addresses ____________________________________________ 51
Table 6-10 SP Programmer Addresses ___________________________________________________ 53
Table 6-11 Steps to Download a Setpoint Program using Modbus Function Codes 3, 4, 6, 16 _______ 55
Table 6-12 Steps to Upload a Setpoint Program using Modbus Function Codes 3, 4, 6, 16__________ 55
Table 6-13 Set Point Programmer #1 Value Register Map Addresses __________________________ 56
Table 6-14 Set Point Programmer #1 Additional Values Register Map Addresses_________________ 58
Table 6-15 Set Point Programmer #1 Segment Map Addresses _______________________________ 60
Table 6-16 Segment Register Map Addresses _____________________________________________ 61
Table 6-17 SP Scheduler Addresses _____________________________________________________ 64
Table 6-18 Steps to Download a Setpoint Schedule using Modbus Function Codes 3, 4, 6, 16 _______ 64
Table 6-19 Steps to Upload a Setpoint Schedule using Modbus Function Codes 3, 4, 6, 16 _________ 65
Table 6-20 Scheduler #1 Value Register Map Addresses ____________________________________ 65
Table 6-21 Scheduler #1 Segment Register Map Addresses __________________________________ 68
Table 6-22 Segment Register Map Addresses _____________________________________________ 69
Table 6-23 Sequence Parameters Register Maps ___________________________________________ 71
Table 6-24 Sequence Step 1 Table Register Maps __________________________________________ 71
Table 6-25 Sequence State Table Register Maps ___________________________________________ 71
Table 6-26 Sequencer #1 Parameters Register Map Addresses________________________________ 72
Table 6-27 Sequencer #1 Step 1 Table Register Map Addresses ______________________________ 73
Table 6-28 Sequencer #1 State Table Register Map Addresses________________________________ 74
Table 6-29 HOA Control #1 Group Register Map _________________________________________ 75
Table 6-30 Device Control #1 Group Register Map ________________________________________ 76
Table 6-31 Alternator #1Group Register Map_____________________________________________ 77
Table 6-32 Output Order Sequence Scratch Pad Group Register Map __________________________ 83
Table 6-33 Stage Group #1 Register Map ________________________________________________ 85
Table 6-34 Ramp Group #1 Register Map________________________________________________ 88