Hitachi SJ700-4000HFU2 - Page 192

Chapter 4 Explanation of Functions
4-121
(v) 04 command: This command reads the status of 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
04
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
8 bytes
See Note 8.
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 10: The data indicating the status of the inverter consists of the following three status elements (A, B, and C):
Data
Status A
Status B
Status C
00 (reserved)
Inverter status A Inverter status B Inverter status C
Code
Status
Code
Status
Code
Status
00
Initial status
00
Stopping
00
---
01
01
Running
01
Stopping
02
Stopping
02
Tripping
02
Decelerating
03
Running
03
Constant-speed operation
04
Free-run stop (FRS) in progress
04
Accelerating
05
Jogging (JG) in progress
05
Forward operation
06
DC braking (DB) in progress
06
Reverse operation
07
Retry in progress
07
Switching forward operation
08
Tripping
to reverse operation
09
Undervoltage (UV) status
08
Switching reverse operation
to forward operation
09
Starting forward operation
10
Starting reverse operation