5-78
îš‹ U: Monitor Constants
The following settings are made with the monitor constants (U constants): Setting constants for monitoring in
drive mode.
îš„ 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
During Multi-Function
Analog Output
Min.
Unit
Control Methods
MEMO-
BUS
Regis-
ter
Display
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
U1-01
Frequency
reference
Monitors/sets the fre-
quency reference value.*
10 V: Max. frequency
(-10 to 10 V possible)
0.01
Hz
AAAAA40H
Frequency
Ref
U1-02
Output fre-
quency
Monitors the output fre-
quency.*
10 V: Max. frequency
(-10 to 10 V possible)
0.01
Hz
AAAAA41H
Output Freq
U1-03
Output cur-
rent
Monitors the output cur-
rent.
10 V: Inverter rated output
current
(0 to +10 V, absolute value
output)
0.01
A
AAAAA42H
Output Cur-
rent
U1-04
Control
method
Checks the current control
method.
(Cannot be output.) - A A A A A 43H
Control
Method
U1-05
Motor speed
Monitors the detected
motor speed.*
10 V: Max. frequency
(-10 to 10 V possible)
0.01
Hz
NoAAAA44H
Motor Speed
U1-06
Output volt-
age
Monitors the output volt-
age reference value in the
Inverter.
10 V: 200 VAC (400 VAC)
(0 to +10 V output)
0.1 V A A A A A 45H
Output Volt-
age
U1-07
DC bus volt-
age
Monitors the main DC
voltage in the Inverter.
10 V: 400 VDC (800 VDC)
(0 to +10 V output)
1 V A A A A A 46H
DC Bus
Vo l ta g e
U1-08
Output
power
Monitors the output power
(internally detected value).
10 V: Inverter capacity
(max. applicable motor
capacity)
(-10 to 10 V possible)
0.1
kW
AAAAA47H
Output
kWatts
U1-09
Torque refer-
ence
Monitor in internal torque
reference value for vector
control.
10 V: Motor rated torque
(-10 to 10 V possible)
0.1% No No A A A 48H
Torque Ref-
erence
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