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 (enabled when bit C of register 000FH is on)
bit D Multi-Function Digital Input S6 (enabled when bit D of register 000FH is on)
bit E Multi-Function Digital Input S7 (enabled when bit E of register 000FH is on)
bit F Reserved
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.
Note: Uv1 and Uv2 faults are not saved to the fault history.
Table C.4 Fault Trace / History Register Contents
Fault Code Fault Name
0002H Undervoltage (Uv1)
0003H Control Power Supply Undervoltage (Uv2)
0004H Soft Charge Circuit Fault (Uv3)
0005H
<1>
IGBT Short Circuit (SC)
0006H Ground Fault (GF)
0007H Overcurrent (oC)
0008H Overvoltage (ov)
0009H Heatsink Overheat (oH)
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)
000AH Heatsink Overheat (oH1)
000BH Motor Overload (oL1)
000CH Drive Overload (oL2)
000DH Overtorque Detection 1 (oL3)
000EH Overtorque Detection 2 (oL4)
000FH Dynamic Braking Transistor (rr)
0010H Braking Resistor Overheat (rH)
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)
Fault Code Fault Name
0018H Overspeed (oS)
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)
0025H Control fault (CF)
0027H PROFIBUS-DP Option External Fault (EF0)
0029H Undertorque Detection 1 (UL3)
002AH Undertorque Detection 2 (UL4)
002BH High Slip Braking Overload (oL7)
0030H Hardware Fault (including oFx)
0036H Output Current Imbalance (LF2)
0037H Pullout Detection (Sto)
0039H MECHATROLINK Watchdog Timer Error (E5)
003BH Too many speed search restarts (SEr)
0042H External Fault 1, input terminal S1 (EF1)
0043H External Fault 2, input terminal S2 (EF2)
0044H Mechanical Weakening Detection 1 (oL5)
0045H Mechanical Weakening Detection 2 (UL5)
0046H Current Offset Fault (CoF)
005AH Underload Detection 6 (UL6)
0061H Loss of Prime (LOP)
C.10 MEMOBUS/Modbus Data Table
412
YASKAWA TOEP YAIQPM 03B YASKAWA AC Drive - iQpump Micro User Manual
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