B–16

Communications Protocol

 

Command – 0A

The 0A command sets a value in the EEPROM.

 

 

 

 

 

 

 

 

 

 

The frame format of command 0A follows the

 

Frame format

 

 

diagram and specification table.

 

 

 

 

 

 

 

 

 

 

 

STX

Node

Command

BCC

[CR]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Element

Description

 

Size

 

Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STX

Control code (STart of TeXt)

 

1 byte

STX (0x02)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

Node

Node (station) address of inverter

 

2 bytes

01 to 32, and FF (broadcast to all

 

 

 

 

 

 

nodes)

Appendix

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Command

Transmission command

 

2 bytes

0A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BCC

Block check sum code

 

2 bytes

Exclusive OR of Node,

 

 

 

 

 

 

 

Command, and Data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[CR]

Control code (carriage return)

 

1 byte

[CR] (0x0D)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Command – 0B The 0B command recalculates the inverter’s internal motor constants. Use this function after the base frequency or any Hxxx parameters are changed via the serial link commands.

The frame format of command 0B follows the

 

Frame format

diagram and specification table.

 

 

 

 

 

 

 

 

 

STX

Node

Command

BCC

[CR]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Element

Description

 

Size

 

Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STX

Control code (STart of TeXt)

 

1 byte

STX (0x02)

 

 

 

 

 

 

 

 

 

 

Node

Node (station) address of inverter

 

2 bytes

01 to 32

 

 

 

 

 

 

 

 

 

 

Command

Transmission command

 

2 bytes

0B

 

 

 

 

 

 

 

 

 

 

BCC

Block check sum code

 

2 bytes

Exclusive OR of Node,

 

 

 

 

 

Command, and Data

 

 

 

 

 

 

 

 

 

 

[CR]

Control code (carriage return)

 

1 byte

[CR] (0x0D)