Hitachi L200 Manual Do Utilizador

Network Protocol Reference

Appendix B

This function checks a master-slave transmission using any test data. An example 
follows: 

• Send test data to an inverter having slave address “1” and receiving the test data from 

the inverter (as a loopback test).

The test subcode is for echo (00h,00h) only and not available to the other commands.

Broadcasting is disabled.

1

Slave address *1

01

2

Function code

08

3

Test subcode
(high order)

00

4

Test subcode
(low order)

00

5

Data
(high order)

Any

6

Data
(low order)

Any

7

CRC-16 (high order)

CRC

8

CRC-16 (low order)

CRC

1

Slave address

01

2

Function code

08

3

Test subcode
(high order)

00

4

Test subcode
(low order)

00

5

Data
(high order)

Any

6

Data
(low order)

Any

7

CRC-16 (high order)

CRC

8

CRC-16 (low order)

CRC