Identification; Error Protocol - Trumeter 898X Serie Manual De Instrucciones

5.12 Identification

This instruction allows reading the identification of
the Slave.
Both the Slave ID and the software
version are transmitted in ASCII format.
Instruction (Master):
Field name
Slave address
Function Identification
CRC value (LSB)
CRC value (MSB)
Response (Slave):
Field name
Slave address
Function Identification
Number of data bytes (MSB)
Number of data bytes (LSB)
Slave ID byte 1
Slave ID byte 2
Slave ID byte 3
Slave ID byte 4
Slave ID byte 5
Slave ID byte 6
Slave ID byte 7
Slave ID byte 8
Status
Software Version byte 1
Software Version byte 2
Software Version byte 3
Software Version byte 4
Software Version byte 5
Software Version byte 6
Software Version byte 7
Software Version byte 8
CRC (LSB)
CRC (MSB)
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5.13 Error protocol

The Slave sends no response if it receives a
message sent by the Master including
transmission errors.
Detected transmission errors:
•
•
•
Value
•
XX
hex
•
11
hex
If the Slave device cannot carry out the
XX
hex
uncorrupted message it received, it sends back to
XX
hex
the Master an error response including the error
code.
Error codes:
Value
Code Name
XX
hex
11
hex
01
hex
00
hex
11
02
hex
hex
XX
hex
XX
hex
03
hex
XX
hex
XX
hex
XX
hex
XX
hex
04
hex
XX
hex
XX
hex
FF
hex
XX 10
hex hex
XX
hex
11
hex
XX
hex
XX
hex
Error response:
XX
hex
XX
Description
hex
XX
Slave address
hex
XX
Function
hex
XX
Error code
hex
XX
CRC value (LSB)
hex
CRC value (MSB)
Parity errors
No stop bit detected
Error in the data frame
Overrun error (data buffer overflow)
CRC error
Description
Function not The function code is not
allowed defined in the device.
Address not The address is not
allowed available.
The received data value
cannot be written. Data
Data value
not allowed structure / data length is not
correct.
Data value / data format is
not correct.
Device error
The device cannot or can
only partially process the
instruction.
Set value smaller than 0 is
Err1
not allowed.
Set value larger than
Err2
Preset2 is not allowed.
Value
XX
hex
80 + Function code
hex
XX
hex
XX
hex
XX
hex