Modbus services

The Altivar 212 rejects the request because of an invalid starting address:

Request:

01

10

18 71

00 02

04

C4 00

17 70

AC 63

Response:

01

90

03

0C 01

The Altivar 212 rejects the request because of an invalid quantity of registers:

Request:

01

10

18 70

00 03

04

C4 00

17 70

6C 7E

Response:

01

90

03

0C 01

· The Altivar 212 rejects the request because of an invalid byte count:

Request:

01

10

18 70

00 02

03

C4 00

17 70

D8 6F

Response:

01

90

03

0C 01

Note: Reading values of parameters F870 and F871. Value of parameter F87p can be read by reading the address 187p.

Example for parameter F870: 0870: parameter assignment

1870: parameter value

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Schneider Electric Altivar 212 manual Request 6C 7E Response