Chapter 4 Explanation of Functions

(x) 09 command: This command checks whether set data can be stored in the EEPROM in 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

2 bytes

01 to 32

inverter

 

 

 

Command

Command to be transmitted

2 bytes

09

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.

ACK

Data

BCC

CR

 

Description

Data size

Setting

STX

Control code (Start of TeXt)

1 byte

STX (0x02)

Station No.

Station number of control-target

2 bytes

01 to 32

inverter

 

 

 

ACK

Control code (acknowledgement)

1 byte

ACK (0x06)

Data

Data

2 bytes

"01" (enabling data storage)

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)

Negative response: See Item (4)-(ii) of this section.

(xi)0A command: This command stores set data in the EEPROM in 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

2 bytes

01 to 32

inverter

 

 

 

Command

Command to be transmitted

2 bytes

0A

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

Positive response: See Item (2)-(i) of this section.

Negative response: See Item (2)-(ii) of this section.

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Hitachi SJ700-2 instruction manual Station No Command, Data Bytes Enabling data storage