U: Monitor Constants - YASKAWA Varispeed G7 Series Instruction Manual



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.
Name
Con-
stant
Display
Number
Frequency
reference
Monitors/sets the fre-
U1-01
quency reference value.
Frequency
Ref
Output
Monitors the output fre-
frequency
U1-02
quency.
Output Freq
Output
current
Monitors the output cur-
U1-03
rent.
Output
Current
Control
method
Checks the current control
U1-04
method.
Control
Method
Motor speed Monitors the detected
U1-05
motor speed.
Motor Speed
Output
Monitors the output volt-
voltage
U1-06 age reference value in the
Output
Inverter.
Voltage
DC bus
voltage
Monitors the main DC
U1-07
voltage in the Inverter.
DC Bus
Voltage
Output
power
Monitors the output power
U1-08
(internally detected value).
Output
kWatts
Torque
Monitor in internal torque
reference
U1-09 reference value for vector
Torque
control.
Reference
* 1. The unit is set in o1-03 (frequency units of reference setting and monitor).
* 2. The unit differs according to the Inverter capacity. (The unit is 0.01 A for an Inverter capacity of 0.4 to 7.5 kW, and 0.1 A for an Inverter capacity of
11 kW and larger.)
Output Signal Level
Description During Multi-Function
Analog Output
10 V: Max. frequency
*1
(-10 to 10 V possible)
10 V: Max. frequency
*1
(-10 to 10 V possible)
10 V: Inverter rated output
current
(0 to +10 V, absolute value
output)
(Cannot be output.)
10 V: Max. frequency
*1
(-10 to 10 V possible)
10 V: 200 VAC (400 VAC)
(0 to +10 V output)
10 V: 400 VDC (800 VDC)
(0 to +10 V output)
10 V: Inverter capacity for
V/f control
Motor capacity (E2-
11) for vector control
(-10 to 10 V possible)
10 V: Motor rated torque
(-10 to 10 V possible)
User Constant Tables
Control Methods
Open Open
Min.
V/f Loop
Flux Loop
Unit
V/f with Vec- Vec-
PG tor tor
1
0.01
A A A A
Hz
0.01
A A A A
Hz
0.01
A A A A
A
*2
– A A A A
0.01
No A A A
Hz
0.1 V A A A A
1 V A A A A
0.1
A A A A
kW
0.1% No No A A
MEMO-
BUS
Regis-
Vec-
ter
tor
2
A 40H
A 41H
A 42H
A 43H
A 44H
A 45H
A 46H
A 47H
A 48H
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