ABB TPU2000 Technical Manual page 7

TPU2000/2000R Modbus/Modbus Plus/ Modbus TCP/IP Automation Guide
Figures
Section 1 - Introduction
Figure 1-1. Distribution Protection Unit Product Family ............................................................................................1
Section 2 - Communication Card Identification and Physical Port Characteristics
Figure 2-1. COM 0 Port Location...............................................................................................................................3
Figure 2-2. Physical Optional Communication Card Port Locations .........................................................................3
Figure 2-3. TPU2000 and TPU2000R Communication Cards ..................................................................................4
Figure 2-4. Physical Communication Card Location for the TPU2000......................................................................4
Figure 2-5. Physical Communication Card Location for the TPU2000R ...................................................................5
Section 3 - TPU2000 and TPU2000R Device Connectivity
Figure 3-1. Point to Point Architecture Using RS232 ..............................................................................................11
Figure 3-2. Multi-Drop Topology Using RS232 .......................................................................................................11
Figure 3-3. 9 Pin RS232-DTE-DTE Connector .......................................................................................................12
Figure 3-4. Connection of a DB25 Connector to a TPU2000 or TPU2000R...........................................................12
Figure 3-5. Location of RS485 Resistor Configuration Jumpers in the TPU2000R ................................................14
Figure 3-6. RS485 Topology Configuration for the TPU2000R...............................................................................14
Figure 3-7. Alternate External Resistor Placement for the TPU2000R ...................................................................15
Figure 3-8. RS485 Communication Cabling (TPU2000R).......................................................................................15
Figure 3-9. TPU2000 RS485 Wiring Diagram .........................................................................................................16
Section 4 - TPU2000 and TPU2000R Device Parameterization
Figure 4-1. Initial WinECP Communication Configuration Screen ..........................................................................18
Figure 4-2. Communication Port Setup Screen.......................................................................................................18
Figure 4-3. COM Port 1 WinECP Setting Screen....................................................................................................20
Figure 4-4. WinECP COM Port 2 Communication Screen ......................................................................................20
Figure 4-5. TPU2000R Communication Capability Chart........................................................................................21
Figure 4-6. TPU2000 Communication Capability Chart ..........................................................................................21
Figure 4-7. Modbus, DNP 3.0, SPACOM, and PG&E Port 3 Communication Screen............................................23
Figure 4-8. Typical IRIG B Architecture...................................................................................................................25
Figure 4-9. IRIG B Frame Construction...................................................................................................................26
Figure 4-10. DPU/TPU/GPU2000R and DPU1500R IRIG B Connector Placement...............................................27
Figure 4-11. DPU/TPU2000 IRIG B Connector Placement.....................................................................................27
Figure 4-12. Load Impedance Calculation ..............................................................................................................28
Figure 4-13. Pin to Pin Illustration of ABB Protective Daisychain Link for IRIG B ..................................................29
Section 5 - Modbus
Figure 5-1. Modbus Polling Sequence ....................................................................................................................30
Figure 5-2. Modbus ASCII Transmitted and Received Frame Formats ..................................................................31
Figure 5-3. Modbus ASCII Frame Format ...............................................................................................................31
Figure 5-4. Modbus ASCII Frame Analysis .............................................................................................................31
Figure 5-5. Modbus RTU Format.............................................................................................................................32
Figure 5-6. RTU Frame Format ...............................................................................................................................32
Figure 5-7. Modbus Plus Message Frame Structure...............................................................................................34
Figure 5-8. Modbus Plus Token Rotation Explanation ............................................................................................34
Figure 5-9. Modbus Plus Token Rotation Explanation ............................................................................................34
Figure 5-10. Modbus Plus Token Rotation Explanation ..........................................................................................35
Figure 5-11. Modbus Plus Network Topology .........................................................................................................35
Figure 5-12. Modbus Plus Path Designation...........................................................................................................36
Figure 5-13. Modbus Plus Addressing Example .....................................................................................................36
Figure 5-14. Modbus Protocol Function 01 Frame Format .....................................................................................38
Figure 5-15. Example Transaction Request for Eight Physical Output Coils ..........................................................39
Figure 5-16. Example of Raw Data Decode............................................................................................................39
Figure 5-17. Momentary Change Detect Example ..................................................................................................40
Figure 5-18. Latched Element Status Example.......................................................................................................41
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