Parameter List
1
1.17 U: Monitors
YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING 111
No.
(Hex.)
Name Description MFAO Signal Level
U1-19
(0066)
MEMOBUS/Modbus Error
Code
Shows the contents of the MEMOBUS/Modbus communication error where = “error” and = “no
error”.
For example, U1-19 shows when the drive detects a CRC error.
bit0 : CRC Error
bit1 : Data Length Error
bit2 : Not used (normal value of [ ]).
bit3 : Parity Error
bit4 : Overrun Error
bit5 : Framing Error
bit6 : Timed Out
bit7 : Not used (normal value of [ ]).
No signal output available
U1-24
(007D)
Input Pulse Monitor
Shows the frequency to pulse train input terminal RP.
Unit: 1 Hz
Determined by H6-02
U1-25
(004D)
Software number
Shows the ID.
No signal output available
U1-26
(005B)
SoftwareNumber ROM
Shows the ROM ID.
No signal output available
U1-50
(1199)
Expert
Virtual Analog Input
Shows the virtual analog input value.
Determined by H7-40
◆ U2: Fault Trace
No.
(Hex.)
Name Description MFAO Signal Level
U2-01
(0080)
Current Fault
Shows the fault that the drive has when viewing the monitor.
No signal output available
U2-02
(0081)
Previous Fault
Shows the fault that occurred most recently.
No signal output available
U2-03
(0082)
Freq Reference@Fault
Shows the frequency reference at the fault that occurred most recently.
Use U1-01 [Frequency Reference] to monitor the frequency reference value.
Unit: 0.01 Hz
No signal output available
U2-04
(0083)
Output Freq @ Fault
Shows the output frequency at the fault that occurred most recently.
Use U1-02 [Output Frequency] to monitor the actual output frequency.
Unit: 0.01 Hz
No signal output available
U2-05
(0084)
Output Current@Fault
Shows the output current at the fault that occurred most recently.
Use U1-03 [Output Current] to monitor the actual output current. The keypad shows the value of U1-
03 in amperes (A).
When looking at the monitor through MEMOBUS/Modbus communications, the current is “8192 =
drive rated current (A)”. Calculate the current from the monitor value that is in at MEMOBUS/
Modbus communications using “Numerals being displayed / 8192 × drive rated current (A).
Unit: When the drive model changes, the display units for this parameter also change.
• 0.01 A units: B001 - B018, 2001 - 2042, 4001 - 4023
• 0.1A units: 2056 - 2082, 4031 - 4060
No signal output available
U2-06
(0085)
Motor Speed @ Fault
Shows the motor speed at the fault that occurred most recently.
Use U1-05 [Motor Speed] to monitor the motor speed.
Unit: 0.01 Hz
No signal output available
U2-07
(0086)
Output Voltage@Fault
Shows the output voltage reference at the fault that occurred most recently.
Use U1-06 [Output Voltage Ref] to monitor the output voltage reference.
Unit: 0.1 V
No signal output available
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