TPU2000/2000R Modbus/Modbus Plus/ Modbus TCP/IP Automation Guide
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TPU2000 and TPU2000R Internal Operation...........................................................................................................67
ABB Data Type Definitions .......................................................................................................................................68
Register Scaling Investigated ...................................................................................................................................69
Scaling Option and Destination Register Length Options Explained .......................................................................70
Destination Register Length Justification Options Explained...................................................................................73
Source Register Address and Source Register Type Explained..............................................................................73
Source Scale Range and Source Scale Type Selections Explained .......................................................................73
TPU2000 and TPU2000R User Definable Register Defaults...................................................................................75
Relay Status (1 Register Defined) ............................................................................................................................78
Diagnostic Status (2 Registers Defined)...................................................................................................................79
Unit Information (15 Registers Defined) ...................................................................................................................80
Read Quick Status (3 Registers Defined).................................................................................................................81
Power Fail Status Information (9 Registers Defined) ...............................................................................................82
Fast Status (2 Registers Defined) ............................................................................................................................82
Communication Event Log (8 Registers Defined) ....................................................................................................83
Metering Values (35 Registers Defined)...................................................................................................................84
Load Current and Angular Values (63 Registers Defined TPU 2 Winding– 66 Registers Defined
TPU 3 Winding) ...........................................................................................................................................85
RMS Voltage/Angular/Real and Reactive Power/Energy Values Block (17 Registers Defined)..............................87
RMS Demand Current/Real and Reactive Power Values Block (24 Registers Defined) .........................................88
Minimum and Maximum Peak Demand (60 Registers Defined) ..............................................................................89
Breaker Counters (11 Registers Defined) Modbus Function 03 Read Only ............................................................96
Discrete 4X Register Bit Data Reporting (26 Registers Defined).............................................................................97
4X Register Write Capabilities................................................................................................................................106
Function Code 16 Preset 4X Registers (Write Only)..............................................................................................107
Function Code 23 Read/Write Register (Read/Write Concurrently).......................................................................108
Fault Records .........................................................................................................................................................108
Differential Fault Record Reporting ........................................................................................................................110
Through Fault Buffers.............................................................................................................................................114
Harmonic Restraint Fault Record ...........................................................................................................................118
Event Records (11 Registers Defined)...................................................................................................................123
Providing Control Functionality in the TPU2000/2000R .........................................................................................126
Group I Control Features Explained.......................................................................................................................129
Scada Redi .............................................................................................................................................................130
Group II Control Features Explained......................................................................................................................132
Group III Control Features Explained.....................................................................................................................136
Group IV Control Features Explained.....................................................................................................................139
Group V Control Features Explained......................................................................................................................145
Group VI Control Features Explained.....................................................................................................................149
Oscillographic Data Storage (Version 1.5 and Greater TPU2000R Only) .............................................................151
Oscillographic Configuration (12 Registers Defined) .............................................................................................152
Oscillographic Data Retrieval .................................................................................................................................155
Data Retrieval Theory of Operation........................................................................................................................155
Oscillographic Data Interpretation ..........................................................................................................................164
6X Registers ...........................................................................................................................................................165
Function Code 20 (Read General Reference) and 21 (Write General Reference) ................................................166
Programmable Input Configuration.........................................................................................................................167
Term Definitions......................................................................................................................................................167
Methodology and Register Manipulation to Configure the Programmable Logical Input .......................................168
Programmable Output Select Configuration...........................................................................................................174
Programmable Output User Defined String Block..................................................................................................178
Settings...................................................................................................................................................................179
Configuration Settings ............................................................................................................................................194
Counters .................................................................................................................................................................197
Alarm Settings ........................................................................................................................................................197
Real Time Clock (13 Registers Defined) ................................................................................................................199
ULO Connection Settings and User Names...........................................................................................................199
ULI Connection Settings and User Names.............................................................................................................201
Force Logical Input Allocation and Name Assignment...........................................................................................202
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