Inovance MD520 Series Communications Manual page 17

Parameter Communication Addresses
Read AC drive state 1
Read AC drive state 2
Parameter lock password verification
Parameter initialization
DO control
AO1 control (write‑only)
AO2 control (write‑only)
Pulse output control (write‑only)
Parameter Address
3000H
7044H
1F00H
1F01H
2001H
2002H
2003H
2004H
1: Running in forward direction
2: Running in reverse direction
3: Stopped
4: Auto‑tuning
5: Faulty
Bit0: Running state
Bit1: Forward/Reverse direction
Bit2: Whether a fault occurs
Bit3: Whether the output frequency
reaches the frequency reference
Bit4: Communication normal flag
Bit5 to Bit7: Reserved
Bit8 to Bit15: Fault code
If the actual password value is
returned, password verification is
passed. (If password protection is
disabled, that is, the password is 0,
0000H is returned.)
1: Restore factory settings
4: Restore user parameters from
backup
501: Back up current user parameters
Bit0: DO1 output control
Bit1: DO2 output control
Bit2: Relay 1 output control
Bit3: Relay 2 output control
Bit4: FMR output control
Bit5: VDO1
Bit6: VDO2
Bit7: VDO3
Bit8: VDO4
Bit9: VDO5
0 to 7FFF, indicating 0% to 100%
0 to 7FFF, indicating 0% to 100%
0 to 7FFF, indicating 0% to 100%
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Parameter Description