u
Broadcast Messages
Data can be written from the master to all slave devices at the same time.
The slave address in a broadcast command message must be set to 00H. All slaves will receive the message, but will not
respond.
Register No.
Contents
0001H
Digital Input Command
bit 0
Forward Run (0: Stop 1: Run)
bit 1
Direction Command (0: Forward, 1: Reverse)
bit 2, 3
Reserved
bit 4
External Fault
bit 5
Fault Reset
bit 6 to B
Reserved
bit C
Multi-Function Digital Input S5
bit D
Multi-Function Digital Input S6
bit E
Multi-Function Digital Input S7
bit F
Multi-Function Digital Input S8
0002H
Frequency Reference
30000/100%
u
Fault Trace Contents
The table below shows the fault codes that can be read out by MEMOBUS/Modbus commands from the U2-
oo
monitor
parameters.
Table C.5 Fault Trace / History Register Contents
Fault Code
Fault Name
0002H
Control Circuit Undervoltage Fault (Uv1)
0003H
Control Power Supply Voltage Fault (Uv2)
0004H
Undervoltage 3 (Uv3)
0006H
Ground Fault (GF)
0007H
Overcurrent (oC)
0008H
Control Circuit Overvoltage (ov)
0009H
Heatsink Overheat (oH)
000AH
Overheat 1 (oH1)
000BH
Motor Overload (oL1)
000CH
Overload (oL2)
000DH
Overtorque Detection 1 (oL3)
000EH
Overtorque Detection 2 (oL4)
0011H
Pump Fault at Input Terminal S3 (EF3)
0012H
Pump Fault at Input Terminal S4 (EF4)
0013H
Pump Fault at Input Terminal S5 (EF5)
0014H
Pump Fault at Input Terminal S6 (EF6)
0015H
Pump Fault at Input Terminal S7 (EF7)
0016H
Pump Fault at Input Terminal S8 (EF8)
0017H
Fan Fault (FAn)
0018H
Overspeed (oS)
001CH
Output Phase Loss (LF)
001DH
Motor Overheat Alarm (PTC input) (oH3)
001EH
Digital Operator Connection Fault (oPr)
001FH
EEPROM Write Error (Err)
0020H
Motor Overheat Fault (PTC input) (oH4)
0021H
MEMOBUS/Modbus Communication Error (CE)
0022H
Option Communication Error (bUS)
Fault Code
Fault Name
0025H
Control Fault (CF)
0027H
Option Card External Fault (EF0)
0028H
PID Feedback Loss (FbL)
0029H
Undertorque Detection 1 (UL3)
002AH
Undertorque Detection 2 (UL4)
0030H
Hardware Fault (including oFx)
0036H
Output Current Imbalance (LF2)
0037H
Pull-Out Detection (Sto)
0039H
MECHATROLINK Watchdog Timer Error (E5)
003BH
Too Many Speed Search Restarts (SEr)
0041H
Excessive PID Feedback (FbH)
0042H
Pump Fault 1, Input Terminal S1 (EF1)
0043H
Pump Fault 2, Input Terminal S2 (EF2)
0046H
Current Offset Fault (CoF)
004BH
Low Suction (LOSUC)
004CH
Loss Of Prime (LOP)
004EH
Underload Detection 6 (UL6)
0051H
LSo Fault (LSo)
0052H
Node Setup Fault (nSE)
005AH
Underload Detection 6 (UL6)
005BH
Initial Polarity Estimation Timeout (dv7)
005CH
Ground Fault (GF)
005DH
HOA Time Not Set (TIM)
005EH
HOA Battery Low (bAT)
005FH
HOA Time Deviation Error (TdE)
0060H
HOA Time Interval Error (TIE)
C.9 MEMOBUS/Modbus Data Table
YASKAWA TOEPYAIUPW01A YASKAWA AC Drive - U1000 iQpump Matrix Drive User Manual
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C
MEMOBUS/Modbus Communications