Chapter 4 Explanation of Functions 
 
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(iv) 03 command: This command reads all monitored data from the inverter. 
- Transmission frame 
Frame format 
STX Station No. Command BCC  CR 
 
 Description Data size Setting 
STX  Control code (Start of TeXt)  1 byte  STX (0x02) 
Station No. 
Station number of control-target 
inverter 
2 bytes  01 to 32 
Command  Command to be transmitted  2 bytes  03 
BCC  Block check code  2 bytes 
XOR of the items from "Station No." to "Data." 
See Item (3) of this section. 
CR  Control code (Carriage Return)  1 byte  CR (0x0D) 
 
- Response frame 
Frame format 
STX Station No. Data  BCC  CR 
 
 Description Data size Setting 
STX  Control code (Start of TeXt)  1 byte  STX (0x02) 
Station No. 
Station number of control-target 
inverter 
2 bytes  01 to 32 
Data  Data  104 bytes  See Note 7. 
BCC  Block check code  2 bytes 
XOR of the items from "Station No." to "Data." 
See Item (3) of this section. 
CR  Control code (Carriage Return)  1 byte  CR (0x0D) 
 
Note 7: Monitored data 
Monitoring item  Unit 
Magnifica-
tion 
Data size Description   
Output frequency  Hz  ×100  8 bytes  Decimal ASCII code 
Output current  A  ×10  8 bytes  Decimal ASCII code 
Rotation direction  -  -  8 bytes  "0" stopping, "1" (forward rotation), or "2" 
(reverse rotation) 
PID feedback data  %  ×100  8 bytes  Decimal ASCII code 
Intelligent input terminal  -  -  8 bytes  See Note 7. 
Intelligent output terminal  -  -  8 bytes  See Note 8. 
Frequency conversion  -  ×100  8 bytes  Decimal ASCII code 
Output torque  %  ×1  8 bytes  Decimal ASCII code 
Output voltage  V  ×10  8 bytes  Decimal ASCII code 
Electric power  kW  ×10  8 bytes  Decimal ASCII code 
-  -  -  8 bytes  Always "00000000" (reserved for data storage) 
Cumulative running time  h  ×1  8 bytes  Decimal ASCII code 
Cumulative power-on time  h  ×1  8 bytes  Decimal ASCII code 
↑ High-order bytes  Low-order bytes ↓ 
 
Note 8: Monitoring of intelligent input terminals  Note 8: Monitoring of intelligent output terminals 
Terminal Data    Terminal Data 
Terminal 1  00000001    Terminal 11  00000001 
Terminal 2  00000002    Terminal 12  00000002 
Terminal 3  00000004    Terminal 13  00000004 
Terminal 4  00000008    Terminal 14  00000008 
Terminal 5  00000010    Terminal 15  00000010 
Terminal 6  00000020    Relay terminal 00000020 
Terminal 7  00000040       
Terminal 8  00000080       
FW terminal  00000100