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8-6-2. Response of error message
In the contents of the message from the master if the errors mentioned in section 8-6-1 do not
occur instead if the following error is detected, then display (respond) as 'error message' the code
that shows error contents.
Format of error message is as follows.
Slave address
Function code
Function code +
80H
Function code + 80H
02
82H
Error code
03
83H
CRC(L) 04
84H
CRC(H) 06
86H
08
88H
16
90H
Error codes are as follows.
Error code
Contents
01H
Function code defect
When function code that is not specified is received
02H
Relative number (reference number) defect
When received starting number or setting value number is other than what is
specified
03H
Defect of number of units of data
･
When the number of units of data to be sent in response to the received message
exceeds the specified number of units
･
When requested number of data units is 0
･
When received specified data count and actual data count do not match
11H
Other than setting value range
When numeric value that is out of setting range is mentioned in the reference table
12H
Cannot be set
･
When operation screen and drive pattern No. are set at the time other than that of
resetting
･
When operation screen and drive pattern No. is set, except when pattern selection
system is COM or FREE
･
When ADV, STOP is set during RESET
･
When RUN, STOP, ADV is set during END
･
When operation screen and program drive is set except when program drive
system is MASTER COM
･
When program operation sets time unit except during RESET
･
When pattern copy trigger is set when pattern of copy source is not set or pattern
of copy destination is not deleted
･
When program operation sets pattern clear trigger except during RESET
･
When program operation sets step addition trigger except during RESET
･
When program operation sets step deletion trigger except during RESET
