V5 series inverter 
75 
4-2-7. Fault recording parameters (Group P6) 
P6.00  last fault record  Range: 0~23  0 
P6.07  Last 2 fault record  Range: 0~23  0 
P6.08  Last 3 fault record  Range: 0~23  0 
P6.09  Last 4 fault record  Range: 0~23  0 
P6.10  Last 5 fault record  Range: 0~23  0 
P6.11  Last 6 fault record  Range: 0~23  0 
 
0: no fault 
1~17: E-01~E-17 fault, refer to chapter 5. 
P6.01  Output frequency of last fault  Range: 0~upper limit of frequency  0 
P6.02  Setting frequency of last fault  Range: 0~upper limit of frequency  0 
P6.03  Output current of last fault  Range: 0~999.9A  0 
P6.04  Output voltage of last fault  Range: 0~999V  0 
P6.05  DC bus voltage of last fault  Range: 0~800V  0 
P6.06  Module temperature of last fault  Range: 0~100  0 
4-2-8. Close-loop control parameters (Group P7) 
Analog feedback control system:                                       
Pressure value is input in VI, and feedback value (4~20mA) of pressure sensor is input to inverter CI then pass through 
the internal PI adjustor to form analog close-loop control system, as shown in Fig4-32. 
 
Fig.4-32 Analog feedback control system with internal PI 
Principle diagram of inverter’s internal PI adjustor is shown below: 
 
                                                              +                                                                                                                                        + 
                                                                       
-                                                                                                                                + 
 
 
 
 
Fig. 4-33 PI control principle diagram 
The definition of close-loop value, feedback value, difference limit and proportion/integral parameter in Fig 4-33 are the 
same to normal PI definition. Please refer to P7.01~P7.11. The relationship between preset value and expect feedback val-
ue is shown in Fig 4-34. The preset value is based on 10V; the feedback value is based on 20mA. 
The aim of preset value adjustment and feedback value adjustment is to confirm the their relationship and size, as shown in 
Close-loop 
preset value 
Preset  value 
adjustment 
(P7.06,P7.08) 
Difference 
limit (P7.13) 
Close-loop 
adjust feature 
(P7.14) 
Proportion