2.9 MEMOBUS/Modbus Data Table
286 YASKAWA ELECTRIC SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
◆ Fault Trace / History Register Contents
The table below shows the fault codes that can be read out by MEMOBUS/Modbus
commands from the U2- and U3- monitor parameters.
Table 2.4 Fault Trace / History Register Contents
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 (set by H1-01)
bit 5 Fault Reset (set by H1-02)
bit 6 to bit B Reserved
bit C Multi-Function Digital Input S5
bit D Multi-Function Digital Input S6
bit E Reserved
bit F Reserved
0002H Frequency Reference 30000/100%
Fault Code Fault Name Fault Code Fault Name
0001H Undervoltage (Uv1) 002BH High Slip Braking Overload (oL7)
0002H
Control Power Supply Undervoltage
(Uv2)
0030H Hardware Fault (including oFx)
0004H Soft Charge Circuit Fault (Uv3) 0036H Output Current Imbalance (LF2)
0006H Ground Fault (GF) 0037H Pullout Detection (Sto)
0007H Overcurrent (oC) 0038H PG Disconnected (PGo)
0008H Overvoltage (ov) 003BH Too many speed search restarts (SEr)
0009H Heatsink Overheat (oH) 0041H PID Feedback Loss (FbH)
000AH Heatsink Overheat (oH1) 0042H External Fault 1, input terminal S1 (EF1)
000BH Motor Overload (oL1) 0043H External Fault 2, input terminal S2 (EF2)
000CH Drive Overload (oL2) 0044H Mechanical Weakening Detection 1 (oL5)
000DH Overtorque Detection 1 (oL3) 0045H Mechanical Weakening Detection 2 (UL5)
000EH Overtorque Detection 2 (oL4) 0046H Current Offset Fault (CoF)
000FH Dynamic Braking Transistor (rr) 0049H DriveWorksEZ Fault (dWFL)
0010H Braking Resistor Overheat (rH) 0083H A/D Conversion Error (CPF02)
To Next Page
Loading...
