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There is error condition if relevant bit is 1.
The command for the errors register reading is:
Command
Value
Function:
07h
Data:
The instrument answers as follows:
Response
Value
Function:
07h
Data:
00h to FFh
Instrument general information reading (function 2Bh)
Function code 2Bh allows to read the instrument basic general information, including:
• Manufacturer;
• Instrument model;
• Firmware version.
The command format will be as follows:
Command
Value
Function:
2Bh
Data:
0Eh
01h
00h
The instrument will answer as follows:
Response
Value
Function:
2Bh
Data:
0Eh
01h
01h
(continues...)
00h
Length
1 byte
0 byte
Length
1 byte
1 byte
Length
Description
1 byte
Information reading command
Fixed value
1 byte
(MEI type - Modbus Encapsulated Interface)
1 byte
Fixed value
(Identification type - basic)
1 byte
Fixed value
(First information field)
Length
Description
1 byte
Information reading command
1 byte
Fixed value
(MEI type - Modbus Encapsulated Interface)
Fixed value
1 byte
(Identification type - basic)
1 byte
Fixed value
(Conformity level – basic – fields cannot be
individually accessed)
Fixed value
1 byte
(No other fields available)
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Description
Errors register reading command
Data field is empty
Description
Errors register reading command
Register value
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