Mitsubishi Electric MELSEC-Q Series - Page 599

APP - 108
APPENDICES
(7) Comparisons of specifications with MR-J4(W)-B
Item
FR-A800 series
(Note-1)
MR-J4(W)-
B
Amplifier type FR-A800-1, FR-A800-2 MR-J4(W)-B(-RJ)
Control of servo amplifier
parameters
Set directly by inverter.
(Not controlled by Motion CPU.)
Controlled by Motion CPU.
External input signal
External input signals of FR-A800 series, and bit
devices are available.
External input signals of servo amplifier, and bit
devices are available.
Optional data monitor
(Data type)
• Motor load ratio
• Position F/B
• Encoder position within 1 revolution
• Encoder multi-revolution counter
• Load inertia moment ratio
• Position loop gain
• Converter output voltage
• Cumulative current value
• Effective load ratio
• Regenerative load ratio
• Peak load ratio
• Position F/B
• Encoder position within 1 revolution
• Encoder multi-revolution counter
• Load inertia moment ratio
• Model loop gain
• Bus voltage
• Cumulative current value
• Servo motor speed
• Selected droop pulse
• Unit power consumption
• Unit total power consumption
• Instantaneous torque
• Load side encoder information1
• Load side encoder information2
• Z-phase counter
• Servo motor thermistor temperature
• Torque equivalent to disturbance
• Overload alarm margin
• Excessive error alarm margin
• Settling time
• Overshoot amount
• Servo motor/Load side position deviation
• Servo motor/Load side speed deviation
• Internal temperature of encoder
Absolute position detection
system
Unusable Usable
Home position return method
Proximity dog method (1, 2), Count method (1 to 3),
Data set method (1), Dog cradle method,
Limit switch combined method,
Scale home position signal detection method
Proximity dog method (1, 2), Count method (1 to 3),
Data set method (1, 2), Dog cradle method,
Stopper method (1, 2), Limit switch combined
method,
Scale home position signal detection method,
Dogless home position signal reference method
Speed-torque control
Position control mode, Speed control mode,
Torque control mode
Position control mode, Speed control mode,
Torque control mode,
Continuous operation to torque control mode
Gain changing command Valid Valid
PI-PID switching command Valid Valid
Control loop changing
command
Invalid Valid
Servo parameter read/write
Unusable Usable
Amplifier-less operation
function
(Note-2)
Usable
(Note-3)
Usable
Driver communication Unusable
Usable
(Note-4)