JVL FBG10, User Manual

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24 JVL Industri Elektronik A/S — User Manual — Field Bus Gateway FBG-10
3.7 Description of Input Data
Input data, ( data from DP-slave to master ), is configured to 8 byte:
3.7.1 Status description
Status is read as a byte, where each bit has the following meaning:
Bit 7..6:
The bits ID1,ID0 are set equal to the value of a two-bit counter in FBG10, which counts
in the sequence: 00, 01, 10, 11, 00 etc. Each time FBG10 has executed a command this
counter value is incremented. The Master can, from the FBG10 counter value, decide
whether a command is executed.
Bit 5..0:
Each time a command is executed by FBG10 the master can read an error code in these
bits. The error code has the following meaning:
00: No error.
01: The ID1, ID0 bits in last command followed in correct sequence.
02: Unknown command index in last command. See legal indexes in conversion
table in section
5, "Conversion Table" , page 35.
03: Unknown format in last command.
04: Data conversion error.
05: Motor controller has not reacted on command within expected time.