ABB TPU2000 Technical Manual page 346

TPU2000/2000R Modbus/Modbus Plus/ Modbus TCP/IP Automation Guide
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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
1/1
1/2
1/3
2/1
2/2
2/3
3/1
3/2
3/3
4/1
4/2
4/3
5/1
5/2
5/3
6/1
6/2
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7/1
7/2
7/3
8/1
8/2
8/3
9/1
9/2
9/3
13.9 Receive First Differential Curve Data Set ( 3 13 9 )
Data Byte
1/1
1/2
1/3
2/1
2/2
2/3
3/1
3/2
3/3
4/1
4/2
4/3
Spare
Spare
Spare
Checksum (high byte)
Checksum (low byte)
Definition
Most significant high byte of password
Most significant low byte of password
Least significant high byte of password
Least significant low byte of password
Spare
Command + Subcommand = 0xd8
Programmable curve number (1, 2, or 3)
Coefficient A (high high byte)
Coefficient A |
Coefficient A |
Coefficient A (low low byte)
Coefficient B (high byte)
Coefficient B |
Coefficient B |
Coefficient B (low byte)
Coefficient C (high byte)
Coefficient C |
Coefficient C |
Coefficient C (low byte)
Spare
Spare
Spare
Spare
Spare
Spare
Checksum (high byte)
Checksum (low byte)
Definition
Most significant high byte of password
Most significant low byte of password
Least significant high byte of password
Least significant low byte of password
Spare
Command + Subcommand = 0xd9
Programmable curve number (1, 2, or 3)
Data Point 0: Operate Threshold (high byte)
Data Point 0: Operate Threshold (low byte)
Data Point 1: (same as Data Point 0)
Data Point 1: (same as Data Point 0)
Data Point 2: (same as Data Point 0)
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