A770 Dedicated Specifications - Mitsubishi Electric 700 Series Installation Manualline

7 FR-A770 DEDICATED SPECIFICATIONS
The following section describes the details of parameters which are described differently or not described in the FR-
A700 Instruction Manual (Applied) (IB-0600226ENG).
7.1 DU/PU monitor display data selection for the terminals CA and AM
The full-scale value reference for the monitor output is 1200V.
Monitored item Unit
Output voltage 0.1V
Converter output
0.1V
voltage
Converter output
0.1V
voltage peak value
*1
Frequency setting to output terminal status on the PU main monitor are selected by "other monitor selection" of the parameter unit (FR-PU04,
FRPU07).
7.2 Elevator mode (automatic acceleration and deceleration)
7.2.1 Elevator mode
By setting Pr.292 Automatic acceleration/deceleration = "5" or "6", the elevator mode is selected and the base frequency
voltage is changed to "690V".
Name
Torque boost
Starting frequency
Base frequency voltage
Stall prevention operation level
25
Pr.52 setting Pr.54 (CA)
Pr.158 (AM)
PU main
setting
DU LED
monitor
value
0/100 3
8 8
*1
12 12
*2
Normal operation
Pr.0 (1%)
Pr.13 (0.5Hz)
Pr.19 (9999)
Pr.22 (150%) etc.
Full-scale
Value of the
Description
Terminal CA
and AM
1200V Displays the inverter output voltage.
1200V Displays the DC bus voltage value.
Retains and displays the peak value of DC
1200V
bus voltage (cleared with each start).
Elevator mode
Pr.292 = 5 Pr.292 = 6
Changes according to the output
current
Pr.64 (2Hz)
Accelerate after maintaining 100ms
690V
150% 180%