11.17 U: Monitors
646 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
11.17 U: Monitors
◆ U1: Operation Status Monitors
No.
(Hex.)
Name Description MFAO Signal Level
U1-01
(0040)
Frequency Reference
Shows the frequency reference value. Parameter o1-03 [Keypad Display Unit Selection] sets the
display units.
Unit: 0.01 Hz
10 V = Maximum frequency
(0 V to +10 V)
U1-02
(0041)
Output frequency
Shows the output frequency. Parameter o1-03 [Keypad Display Unit Selection] sets the display units.
Unit: 0.01 Hz
10 V = Maximum frequency
(0 V to +10 V)
U1-03
(0042)
Output current
Shows the output current.
The keypad shows the value of U1-03 in amperes (A). When you use MEMOBUS/Modbus
communications to show the monitor, the current is “8192 = drive rated current (A)”. Use the
formula: “Numerals being displayed / 8192 × drive rated current (A)” to use the MEMOBUS/Modbus
communication current value shown in the monitor.
Unit: When the drive model changes, the display units for this parameter also change.
• 0.01 A: 2004 - 2042, 4002 - 4023
• 0.1 A: 2056 - 2415, 4031 - 4720, T103 - T720
10 V = Drive rated current
U1-04
(0043)
Control Method
Shows the drive control method.
0 : V/f Control
1 : V/f Control with Encoder
2 : Open Loop Vector
3 : Closed Loop Vector
4 : Advanced Open Loop Vector
5 : PM Open Loop Vector
6 : PM Advanced Open Loop Vector
7 : PM Closed Loop Vector
8 : EZ Vector Control
No signal output available
U1-05
(0044)
Motor Speed
Shows the detected motor speed. Parameter o1-03 [Keypad Display Unit Selection] sets the display
units.
Unit: 0.01 Hz
10 V = Maximum frequency
(0 V to +10 V)
U1-06
(0045)
Output Voltage Ref
Shows the output voltage reference.
Unit: 0.1 V
200 V Class: 10 V = 200
Vrms
400 V Class: 10 V = 400
Vrms
U1-07
(0046)
DC Bus Voltage
Shows the DC bus voltage.
Unit: 1 V
200 V Class: 10 V = 400 V
400 V Class: 10 V = 800 V
U1-08
(0047)
Output Power
Shows the internally-calculated output power.
When you change A1-02 [Control Method Selection], it will also change the signal level of the
analog output.
• A1-02 = 0, 1: Drive capacity (kW)
• A1-02 = 2, 3, 4: PM Motor Rated Power [E2-11] (kW)
• A1-02 = 5, 6, 7: PM Motor Rated Power [E5-02] (kW)
• A1-02 = 8: Motor Rated Power [E9-07] (kW)
Unit: The display units are different for different models:
• 0.01 kW: 2004 - 2042, 4002 - 4023
• 0.1 kW: 2056 - 2415, 4031 - 4720, T103 - T720
10 V: Drive capacity (motor
rated power) kW
(-10 V to +10 V)
U1-09
(0048)
Torque Reference
Shows the internal torque reference value.
Unit: 0.1%
10 V = Motor rated torque (0
V to +10 V)
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