<3> Display is in the following units: 5A0007 to 5A0017: 0.01 A units; 5A0022 to 5A0242: 0.1 A units.
<4> Set the number of motor poles to parameter E2-04, E4-04, or E5-05 depending on the motor being used.
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, bit 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 Reserved
0002H Frequency Reference 30000/100%
u
Fault Trace Contents
The table below shows the drive fault codes that can be read out by MEMOBUS/Modbus commands from the U2-oo monitor
parameters.
Table E.3 Fault Trace / History Register Contents
Fault Code Fault Name
0002H Undervoltage (Uv1)
0003H Control Power Supply Undervoltage (Uv2)
0004H Soft Charge Circuit Fault (Uv3)
0006H Ground Fault (GF)
0007H Overcurrent (oC)
0008H Overvoltage (ov)
0009H Heatsink Overheat (oH)
000AH Heatsink Overheat (oH1)
000BH Motor Overload (oL1)
000CH Drive Overload (oL2)
000DH Overtorque Detection 1 (oL3)
0011H External Fault at Input Terminal S3 (EF3)
0012H External Fault at Input Terminal S4 (EF4)
0013H External Fault at Input Terminal S5 (EF5)
0014H External Fault at Input Terminal S6 (EF6)
0015H External Fault at Input Terminal S7 (EF7)
001BH Input Phase Loss (PF)
001CH Output Phase Loss (LF)
001DH Motor Overheat (PTC input) (oH3)
001EH Digital Operator Connection (oPr)
001FH EEPROM Write Error (Err)
0020H Motor Overheat (PTC input) (oH4)
0021H MEMOBUS/Modbus Communication Error (CE)
0022H Option Communication Error (bUS)
Fault Code Fault Name
0027H Option External Fault (EF0)
0028H PI Feedback Loss (FbL)
0029H Undertorque Detection 1 (UL3)
002BH High Slip Braking Overload (oL7)
0030H Hardware Fault (including oFx)
0036H Output Current Imbalance (LF2)
0037H Pullout Detection (Sto)
003BH Too Many Speed Search Restarts (SEr)
0041H PI Feedback Loss (FbH)
0042H External Fault 1, Input Terminal S1 (EF1)
0043H External Fault 2, Input Terminal S2 (EF2)
0046H Current Offset Fault (CoF)
0047H PLC Detection Error 1 (PE1)
0048H PLC Detection Error 2 (PE2)
004DH Output Voltage Detection Fault (voF)
0052H Node Setup Fault (nSE)
005AH Motor Underload Protection (UL6)
0083H A/D Conversion Error (CPF02)
0084H PWM Data Fault (CPF03)
0087H EEPROM Memory Data Error (CPF06)
0088H Terminal Board Connection Error (CPF07)
0089H EEPROM Serial Communication Fault (CPF08)
008CH RAM Fault (CPF11)
008DH Flash Memory Circuit Exception (CPF12)
E.9 MEMOBUS/Modbus Data Table
YASKAWA SIEP YAIZ1U 03B YASKAWA AC Drive – Z1000 Programming Manual
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E
MEMOBUS/Modbus
Communications