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ABB A43 User Manual

ABB A43
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Communication with Modbus
2CMC48001M0201 105 A43/A44
Revision: C User Manual
Error check (CRC), high byte
0x62
Error check (CRC), low byte
0xDE
Response frame Using function code 6, the response frame is an echo of the request frame.
9.2.3.1 Exception Responses
General If an error should occur while processing a request, the meter gives an exception
response that contains an exception code.
Exception frame An exception frame has the following structure:
Slave Address
Function Code
Exception Code
Error Check
In the exception response the function code is set to the function code of the
request plus 0x80.
Exception codes The exception codes that are used are listed in the following table:
Exception code
Exception
Definition
01
Illegal function
A function code that is not supported has
been used.
02
Illegal data address
The requested register is outside the
allowed range.
03
Illegal data value
The structure of a received message is
incorrect.
04
Slave device failure
Processing the request fail due to an
internal error in the meter.

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ABB A43 Specifications

General IconGeneral
BrandABB
ModelA43
CategoryMeasuring Instruments
LanguageEnglish

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