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)
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)
0018H
Overspeed (oS)
0019H
Excessive Speed Deviation (dEv)
001AH
PG Disconnect (PGo)
001BH
Input Phase Loss (PF)
001CH
Output Phase Loss (LF)
Fault Code
Fault Name
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)
0028H
PID Feedback Loss (FbL)
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)
0038H
PG Disconnected (PGo)
0039H
MECHATROLINK Watchdog Timer Error (E5)
003BH
Too many speed search restarts (SEr)
0041H
PID Feedback Loss (FbH)
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)
0049H
DriveWorksEZ Fault (dWFL)
0083H
A/D Conversion Error (CPF02)
C.10 MEMOBUS/Modbus Data Table
YASKAWA ELECTRIC SIEP C710606 18F YASKAWA AC Drive – V1000 Technical Manual
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C
MEMOBUS/Modbus Communications