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Example 5 When using built-in braking resistor
(Note) Move PR1 wiring to PB1
(For 3.7kW and smaller units)
Setting: Set I Pbi in parameter group Cr.Pr
(dynamic braking selection) to 5 (dynamic
braking with overload detection).
The built-in braking resistor is connected to the
PB1 terminal (refer to page 23) at shipment.
Example 6 When connecting a braking resistor (optional)
Note) Select a braking resistor that is higher than the min. tolerable resistance value (refer to page 95). For
22kW and larger units, the separate GTR7 (dynamic braking circuit) option is required,
a) When using an optional braking resistor with temperature fuse
Setting: for 5.5kW and larger units, set I P b I in
parameter group ür.P r (dynamic braking
selection) to S (dynamic braking with overload
detection).
Braking resistor
When using the built-in braking resistor with 3.7kW and smaller units, avoid the use of an external braking
resistor. However, parallel connection is possible in the following combinations. (For max. braking rate
applications)
Buift-in braking
resistor
Minimum external resistor
value that can be used with the
built-in braking resistor
Min. total braking
resistance value
200V systems 2.2kW and smaller
70n
70n 3sn
3.7kW
40n
40n 20n
400V systems
3.7kW and smaller 150n
150n
75Í1
b)
When using an optional braking resistor without temperature fuse
TH-Ry is used as a fire prevention fail-safe.
DBR overload and overcurrent protection
functions are incorporated in the inverter
for protection of the braking resistor, but
TH-Ry operates if those protective
functions are not possible. Select TH-Ry
according to the DBR power rating.
(dynamic braking selection) to 2 (dynamic
braking with overload detection), and set the
braking resistor capacity and resistance value.
(Refer to I Pbc I | PbCP I on page 77.)
Note) The step-down transformer does not need to be installed for 200V class inverters.
-17 -
- High-Performance Inverter 1
- Instruction Manual 1
- TOSVERT VF-A5 1
- Safety Precautions 2
- Table of Contents 4
- TRANSISTOR INVERTER 7
- 2. installation Precautions 8
- 3.2 Removal of Cover 9
- Window and Operation Panei 10
- 4. Operation Precautions 11
- (Non-excited brake) 12
- High-speed 14
- 5. Wiring Precautions 15
- 5.3 Other Precautions 16
- 6. standard Connections 21
- / 0 r 4 Note 3) 22
- / 0 r 4 Note 4) 22
- I P b I in 23
- 6.2 Terminal Functions 24
- L surge 27
- PB ^ PO ^2 ^3, ^2 % % 30
- Main circuit terminal block 31
- VUuUm V/T2 Wn^ PO PA PC PB 32
- 7. Operation and Adjustment 33
- 7.2 Basic Operation 34
- Parameter groups 36
- 7.3 Operation Modes 38
- Status alarms 39
- (%) at time of trip 40
- : у г e D 40
- , Я f r 1 1 1 f 40
- :r,,,,ii 41
- “Decreasing" 44
- 7.3.4 JOG Run Mode 45
- 7.4 Operation Mode Selection 46
- I P /7 0 d I in Cn.Ut I 47
- —— Ut^ntTlu: 48
- OHz 50Hz 49
- 60Hz 80H z 49
- 8. Parameter Explanations 51
- V/f settings 51
- V/f pattern © 52
- V/f pattern ® 53
- Output frequency 54
- 5 E H~ ■ 55
- Blind function selection 56
- Output frequency H z 57
- Output frequency Hz 57
- Frequency setting signal 57
- Acc/dec #1 and #2 selection 58
- Panel feedback control 59
- Panel reset selection 59
- P b P R d E 60
- Input terminal selections © 61
- Input terminal selections 0 62
- DL In (inverter 64
- DbL in Br.Pr 64
- Time [S] 65
- I inCr-. F 67
- Run frequency control 69
- Start-up frequency 70
- End frequency 70
- Jump frequencies 71
- PWM carrier frequency 72
- Preset speed operation © 73
- Preset speed operation @ 74
- Frequency priority selections 75
- 5 tl P Jogging operation 76
- Frequency setting signal 77
- Voltage between FV(CC 77
- Output current 78
- (QL fit ) trip OFF 79
- \dbC is set to 100%.) 80
- setting value 83
- 1.0-1 ooon 83
- 0.01 -eookw 83
- ESEP E d b E 84
- FI r 5 t: 85
- Trip function selections 86
- Fault trip saving 87
- P 5 E L. PEP Pattern run © 88
- PSEL PEP 89
- Panel operation permission 90
- (Utility Parameters) 92
- Lit (Utility Parameters) 93
- Meter adjustment parameters 95
- 9. Device Specifications 96
- General specifications 97
- 2>ATheW 99
- 37kW' 100
- External Installation of 100
- ________ 100
- 10. Options 101
- 10.2 Installable Options 102
- 1 , PDFF, (TOFF • 103
- 1db fc 1 ' 104
- 1 oLEL l • 104
- 0 is 24Vdc being 107
- PDF F displayed? 107
- POFF displayed? 107
- O.D displayed? 107
- 12.2 Component Replacement 109
- 13. storage 110
- 14. Warranty 110
- Appendix 111
- (User Parameters) 112
- (Fundamental Parameters #1) 112
- 0 (Fundamental Parameters #2) 113
- 5tcг i 113
- (Panel Control Parameters) 113
- (Special Control Parameters) 114
- \ Input terminal 10 (S7) 115
- SrOS '• 117
- 117
- (Protection Parameters) 118
- 1 Rated RPM 119
- (Pattern Run Parameters) 120
- \ Speed #5 drive time 121
- (Feedback Parameters) 122
- LjiT.c r” 123
- C ^JU t (Utility Parameters) 124
- (AM/FM Adjustment Parameters) 126
- +2: Acc/dec #2 132
- +2: OLMt trip OFF 132
- F-P'-t 133
- 'b 3 134
- +1: Soft-stall ON 135
- 1 Input terminal 10 (S7) 137
- PbP ! i 138
- 1 Parameters (Conveyor) 139
- F-P8 1 « 140
- 1 RR reference point #2 143
- See > 144
- \ Input terminal 2 (S2) 145
- \ terminal) 145
- ' 1 146
- 1 Parameters (Machine tools) 147
- I..J ;..j 148
- TOSHIBA CORPORATION 149
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