Mitsubishi Electric FR-A820-00046 Instruction Manual page 670

(A) Application parameters
Pr.
6
D303
22
H500
48
H600
270
A200
275
A205
276
A206
The setting range of FR-A820-03160(55K) or lower and FR-A840-01800(55K) or lower
The setting range of FR-A820-03800(75K) or higher and FR-A840-02160(75K) or higher
Connection and operation example
Fig. 5-233:
5 - 490
Name
Multi-speed setting (low
speed)
Stall prevention operation
level
Second stall prevention
operation level
Stop-on contact/load
torque high-speed
frequency control
selection
Stop-on contact excitation
current low-speed
multiplying factor
PWM carrier frequency at
stop-on contact
Sink logic
Power
supply
Forward rotation command
High-speed operation command
Middle-speed operation command
Stop-on contact selection 0
Stop-on contact selection 1
* The input terminal used differs according to the Pr. 180 to Pr. 189 settings.
Connection example
Initial Setting
Description
value range
10 Hz 0 to 590 Hz Set the output frequency for stop-on-contact control.
Set the stall prevention operation level for stop-on-
150% 0 to 400%
contact control.
The smaller value set in either Pr. 22 or Pr. 48 has
150% 0 to 400%
priority.
0 Normal operation
1 Stop-on-contact control
Load torque high-speed frequency control (Refer to
2
page 5-494.)
Stop-on contact + load torque high speed frequency
0
3
control (Refer to page 5-494)
11 Stop-on-contact control
Stop-on contact + load torque high
speed frequency control
13
(Refer to page 5-494.)
Set the force (holding torque) for stop-on-contact
control.
0 to 300%
9999
Normally, set it from 130 to 180%.
9999 No compensation.
Set a PWM carrier frequency for stop-on-contact
0 to 9
control.
For Real sensorless vector control, the carrier
frequency is always 2 kHz when the setting value is 0
9999
0 to 4
to 5 and always 6 kHz when the setting value is 6 to 9.
(Valid at the output frequency of 3 Hz or less.)
9999 As set in Pr. 72 "PWM frequency selection".
MCCB
R/L1
S/L2
T/L3
STF
RH∗
RM∗
RL∗
RT∗
SD
E.OLT is invalid
under stop-on-
contact control
MC
Mechanical
brake
U
V Motor
W
Parameters
I002677E