Register No.
Contents
0021H
Fault Contents 1
bit 0
Overcurrent (oC), Ground fault (GF)
bit 1
Control Circuit Overvoltage (ov)
bit 2
Overload (oL2)
bit 3
Overheat 1 (oH1), Heatsink Overheat Warning (oH2)
bit 4, 5
Reserved
bit 6
PID Feedback Loss/Excessive PID Feedback (FbL / FbH)
bit 7
EF to EF8: External Fault
bit 8
CPF
oo
: Hardware Fault (includes oFx)
bit 9
Motor Overload (oL1), Overtorque Detection 1/2 (oL3/oL4), Undertorque Detection 1/2 (UL3/
UL4)
bit A
PG Disconnect (PGo), PG Hardware Fault (PGoH), Overspeed (oS), Speed Deviation (dEv)
bit B
Control Circuit Undervoltage (Uv), Power Supply Undervoltage (AUv), Power Supply Frequency
Fault (Fdv)
bit C
Control Circuit Undervoltage Fault (Uv1), Control Power Supply Voltage Fault (Uv2),
Undervoltage 3 (Uv3), Power Supply Frequency Fault (Fdv), Power Supply Undervoltage (AUv),
Phase Order Detection Fault (SrC)
bit D
Output Phase Loss (LF)
bit E
MEMOBUS/Modbus Communication Error (CE), Option Communication Error (bUS)
bit F
External Digital Operator Connection Fault (oPr)
0022H
Data Link Status
bit 0
Writing data or switching motors
bit 1, 2
Reserved
bit 3
Upper or lower limit error
bit 4
Data conformity error
bit 5
Writing to EEPROM
bit 6
0: Write into EEPROM.
1: Write in RAM only.
Note:
Enabled only when H5-17 = 1.
bit 7 to bit F
Reserved
0023H
Frequency Reference
<1>
0024H
Output Frequency
<1>
0025H
Output Voltage Reference, 0.1 V units (units are determined by parameter H5-10)
0026H
Output Current, 0.1 A units
<2>
0027H
Output Power
0028H
Torque Reference
0029H
Fault Contents 2
bit 0
Reserved
bit 1
Ground Fault (GF)
bit 2
Reserved
bit 3
Output Phase Loss (LF)
bit 4, 5
Reserved
bit 6
Motor Overheat 2 (PTC input) (oH4)
bit 7 to bit F
Reserved
B.9 MEMOBUS/Modbus Data Table
YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual
297
B
MEMOBUS/Modbus Communications
