ABB TPU2000, Technical Manual, Page: 346 / 374

TPU2000/2000R Modbus/Modbus Plus/ Modbus TCP/IP Automation Guide
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24/2 Spare
24/3 Spare
25/1 Spare
25/2 Checksum (high byte)
25/2 Checksum (low byte)
13.8 Receive Differential Curve Parameters ( 3 13 8 )
For the unit to receive the differential curve data, the following sequence of commands must be issued:
3 13 8 (Differential Curve Parameters)
3 13 9 (Operate Threshold Data Points) Block 0
3 13 10 (Operate Threshold Data Points) Block 1
3 13 10 (Operate Threshold Data Points) Block 2
Data Byte Definition
1/1
Most significant high byte of password
1/2 Most significant low byte of password
1/3 Least significant high byte of password
2/1 Least significant low byte of password
2/2 Spare
2/3 C Subcommand = 0xd8
3/1 Programmable curve number (1, 2, or 3)
3/2 Coefficient A (high high byte)
3/3 Coefficient A |
4/1 Coefficient A |
4/2 Coefficient A (low low byte)
4/3 Coefficient B (high byte)
5/1 Coefficient B |
5/2 Coefficient B |
5/3 Coefficient B (low byte)
6/1 Coefficient C (high byte)
6/2 Coefficient C |
6/3 Coefficient C |
7/1 Coefficient C (low byte)
7/2 Spare
7/3 Spare
8/1 Spare
8/2 Spare
8/3 Spare
9/1 Spare
9/2 Checksum (high byte)
9/3 Checksum (low byte)
13.9 Receive First Differential Curve Data Set ( 3 13 9 )
Data Byte Definition
1/1
Most significant high byte of password
1/2 Most significant low byte of password
1/3 Least significant high byte of password
2/1 Least significant low byte of password
2/2 Spare
2/3 C Subcommand = 0xd9
3/1 Programmable curve number (1, 2, or 3)
3/2 Data Point 0: Operate Threshold (high byte)
3/3 Data Point 0: Operate Threshold (low byte)
4/1 Data Point 1: (same as Data Point 0)
4/2 Data Point 1: (same as Data Point 0)
4/3 Data Point 2: (same as Data Point 0)