TPU2000/2000R Modbus/Modbus Plus/ Modbus TCP/IP Automation Guide 
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5 = Long Time Extremely Inverse 
6 = Long Time Very Inverse 
7 = Long Time Inverse 
8 = Recloser Curve 
9 = Disabled 
10 = User Curve 1 
11 = User Curve 2 
12 = User Curve 3 
 
Curve Selection Type II
 
0 = Disabled 
1 = Standard 
2 = Inverse 
3 = Definite Time  
4 = Short Time Inverse 
5 = Short Time Extremely Inverse 
6 = User Curve 1 
7 = User Curve 2 
8 = User Curve 3 
 
Curve Selection Type 87T
 
0 = Disabled 
1 = Percent Slope 
2 = HU 30% 
3 = HU 35% 
4 = Percent 15 Tap 
5 = Percent 25 Tap 
6 = Percent 40 Tap 
7 = User Curve 1 
8 = User Curve 2 
9 = User Curve 3 
 
Mode Selection Type 87T
 
0 = Disabled 
1 = 2nd Harmonics 
2 = 2nd & 5th Harmonics 
3 = All Harmonics 
 
Msg 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    Command + Subcommand = (Prim=0xb8, Alt1=0xb9, Alt2=0xba) 
3/1    87T Curve Select byte (Type 87T) 
3/2    87T Min I Operate byte (0.2-1.0 *10) 
3/3    87T Percent Restraint byte (15-60) 
4/1    87T Restraint Mode byte (Mode Selection Type 87T) 
4/2    87T 2nd Harmonic Restraint high byte (7.5-25 *10) 
4/3    87T 2nd Harmonic Restraint low byte 
5/1    87T 5th Harmonic Restraint high byte (15-40 *10) 
5/2    87T 5th Harmonic Restraint low byte 
5/3    87T All Harmonics Restraint high byte (15-40 *10) 
6/1    87T All Harmonics Restraint low byte 
6/2    87H Tap X byte (6-20 *10) 
6/3    87T-1 Tap Amp byte (2-9 Amp *10, 0.4-1.8 Amp *50) 
7/1    51P-1 Curve Select byte (Type I) 
7/2    51P-1 Pickup Amp/OA (1-12A *10, 0.2-2.4A *50)