Hitachi SJ700-2 - Manual (Page 186)

Chapter 4 Explanation of Functions
4 - 12
3
(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-o
rder byt
es Low-or
der by
tes
↓
Note 8: Monitoring of intelligent input terminals
Note 8: Monitoring of intelligent output terminals
Terminal Data Terminal Data
FW terminal 00000001 Relay terminal 00000001
Terminal 1 00000002 Terminal 11 00000002
Terminal 2 00000004 Terminal 12 00000004
Terminal 3 00000008 Terminal 13 00000008
Terminal 4 00000010 Terminal 14 00000010
Terminal 5 00000020 Terminal 15 00000020
Terminal 6 00000040
Terminal 7 00000080
Terminal 8 00000100