34
Open Loop Vector Control Mode
Note: 1. Torque Forcing ITCF (default setting 50%) is used to quickly release the brake were a heavy load to slip.
2. If BT = 0, then Torque Forcing ITCF (ITCR) is built up until the output frequency reading FRF (FRR)
frequency level.
V/f Control Mode
IOUT: Inverter Output Current
BDT : Brake Operation Delay Time
I T R : Inverter Torque Command
ST
: Stop Timer (b2 -04)
FRF : FWD Brake Release frequency (S1 -01)
ITCF : FWD Torque Compensation (S1 -09)
FRR : REV Brake Release frequency (S1 -02)
ITCR : REV Torque Compensation (S1 -10)
BF
: Brake Delay Frequency (S1 -03)
ITCT : Torque Compensation Delay Time (S1 -11)
BT : Brake Delay Time (S1 -04)
FHF : Forward hold frequency (S1 -12)
IF
: FWD Brake Release Current (S1 -05)
based on motor rating
FHR : Reverse hold frequency (S1 -13)
IR
: REV Brake Release current (S1 -06)
based on motor rating
HF
: Slip Prevention Frequency (S1 -14)
T F
: FWD Brake Release torque (S1 -07)
HT : Slip Prevention Time (S1 -15)
T R : REV Brake Release torque (S1 -08)
* In Open Loop Vector Control Mode, the name of parameters S1-09~11 change from "Torque Compensation" to "Torque Forcing".
Torque Forcing Amount, C4-02
FWD (REV) Command Input
(Terminal S1 (S2)
closed
closed
open
closed
open
open
closed
open
ITCF (ITCR)
HT
BT
BF
HF
BD
T
BD
T
FHF (FHR)
FRF (FRR)
↑
↓
↑
↓
Speed Cmd Input (Trmnl A1)
time constant: ITCT
Output Frequency
E1-09
Smaller of either
b2-01 or E1-09
Brake Release Cmd BR
(Trmnl M1-M2)
Brake Operations
10UT>IF(IR)
ITR >TF(TR)
FWD (REV) Cmd Input
(Terminal S1 -S2)
Speed Cmd Input (Trmnl A1)
Output Frequency
Brake Release Cmd BR
(Terminal M1-M2)
Brake Operations
closed
open
HT
BT
FHF(FHR)
BF
FRF(FRR
)
HF
closed
open
closed
open
BDT
BDT
open
closed
↑
↓
↑
↓
E1-09
IOUT>IF(IR)
Smaller of either
b2-01 or E1-09
Brake Release Answer Back
BX (Terminal S5)
Brake Release Answer Back
BX (Terminal S5)
Содержание CIMR-F7Z
Страница 3: ......