Mitsubishi FR-A800

(M) Monitor display and monitor output signal
370
PARAMETERS
Monitor description list (Pr.54, Pr.158)
•Set Pr.54 FM/CA terminal function selection for the monitor to be output to the terminal FM (pulse train output) and
terminal CA (analog current output).
•Set Pr.158 AM terminal function selection for the monitor to be output to the terminal AM (analog voltage
output). Output with a negative sign can be made (-10 VDC to +10 VDC) from the terminal AM.
 in the [Negative (-)
output] indicates the output value is negative at the terminal AM. (For setting of the output with/without minus sign, refer to
page 359.)
• Refer to the following table and set the monitor to be displayed. (Refer to page 360 for the monitor description.)
Types of monitor Unit
Pr.54 (FM/CA)
Pr.158 (AM)
setting
Terminal FM, CA, AM
Full-scale value
Negative
(-) output
REMARKS
Output frequency 0.01 Hz 1 Pr.55
Output current
 0.01 A/0.1 A 2 Pr.56
Output voltage 0.1 V 3
200 V class: 400 V
400 V class: 800 V
Frequency setting value 0.01 Hz 5 Pr.55
Running speed 1 (r/min) 6
Value is Pr.55 converted
by Pr.37, Pr.144. (Refer
to page 357.)
Refer to page 357 for the
running speed monitor.
Motor torque 0.1% 7 Pr.866 
Converter output voltage
 0.1 V 8
200 V class: 400 V
400 V class: 800 V
Regenerative brake duty
 0.1% 9
Brake duty decided by
Pr.30 and Pr.70.
Electronic thermal O/L
relay load factor
0.1% 10
Electronic thermal O/L
relay operation level
(100%)
Output current peak value 0.01 A/0.1 A
 11 Pr.56
Converter output voltage
peak value
0.1 V 12
200 V class: 400 V
400 V class: 800 V
Input power
0.01 kW/
0.1 kW

13 Rated inverter power  2
Output power

0.01 kW/
0.1 kW

14 Rated inverter power  2
Load meter
0.1% 17 Pr.866
Motor excitation current 0.0 1 A/0.1 A
 18 Pr.56
Reference voltage output — 21 —
Terminal FM:
1440 pulses/s is output when
Pr.291 = 0,1.
50k pulses/s is output when
Pr.291  0,1.
Terminal CA: output is 20 mA
Terminal AM: output is 10 V.
Motor load factor 0.1% 24 200%
Torque command 0.1% 32 Pr.866 
Torque current command 0.1% 33 Pr.866 
Motor output
0.01 kW/
0.1 kW

34 Rated motor capacity
Energy saving effect
Changeable by
parameter
setting
50 Inverter capacity
Regarding the energy saving
monitor, refer to page 379
PID set point 0.1% 52 100%
Refer to page 510 for the PID
control.
PID measured value 0.1% 53 100%
PID deviation 0.1% 54
 100% 
Output with a negative sign
(terminal AM)
Motor thermal load factor 0.1% 61
Motor thermal
operation level (100%)
Inverter thermal load
factor
0.1% 62
Inverter thermal
operation level (100%)
PID measured value 2 0.1% 67 100%
PLC function analog
output
0.1% 70 100% 
Refer to page 545 for the
PLC function.