5
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U: Monitor Constants
The following settings are made with the monitor constants (U constants): Setting constants for monitoring in
drive mode.
Status Monitor Constants: U1
The constants used for monitoring status are listed in the following table.
* The unit is set in o1-03 (frequency units of reference setting and monitor).
Con-
stant
Number
Name
Description
Output Signal Level Dur-
ing Multi-Function Analog
Output
Min.
Unit
Control Methods
MEMO
BUS
Regis-
ter
V/f
V/f
with
PG
Open
Loop
Vec-
tor
Flux
Vec-
tor
U1-01
Frequency
reference
Monitors/sets the fre-
quency reference value.*
10 V: Max. frequency
(0 to ± 10 V possible)
0.01
Hz
A
A
A
A
40H
U1-02
Output fre-
quency
Monitors the output fre-
quency.*
10 V: Max. frequency
(0 to ± 10 V possible)
0.01
Hz
A
A
A
A
41H
U1-03
Output cur-
rent
Monitors the output current.
10 V: Inverter rated output
current
(0 to +10 V, absolute value
output)
0.1
A
A
A
A
A
42H
U1-04
Control
method
Checks the current control
method.
(Cannot be output.)
-
A
A
A
A
43H
U1-05 Motor speed
Monitors the detected motor
speed.*
10 V: Max. frequency
(0 to ± 10 V possible)
0.01
Hz
No
A
A
A
44H
U1-06
Output volt-
age
Monitors the output voltage
reference value in the
Inverter.
10 V: 200 VAC (400 VAC)
(0 to +10 V output)
0.1
V
A
A
A
A
45H
U1-07
DC bus
voltage
Monitors the main DC volt-
age in the Inverter.
10 V: 400 VDC (800 VDC)
(0 to +10 V output)
1 V
A
A
A
A
46H
U1-08
Output
power
Monitors the output power
(internally detected value).
10 V: Inverter capacity
(max. applicable motor
capacity)
(0 to ± 10 V possible)
0.1
kW
A
A
A
A
47H
U1-09
Torque ref-
erence
Monitor in internal torque
reference value for vector
control.
10 V: Motor rated torque
(0 to ± 10 V possible)
0.1% No
No
A
A
48H