Chapter 4 explanation of functions – Hitachi SJ700-2 User Manual

Page 191

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Chapter 4 Explanation of Functions

4 - 12

8

(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
inverter

2 bytes

01 to 32

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
inverter

2 bytes

01 to 32

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
inverter

2 bytes

01 to 32

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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