Instruction Manual

103
Error Codes
* Refer to the parameters list for parameters that can be changed during operation.
Error Code Contents
01H
Function code error
• Function code from PLC is other than 03H, 08H or 10H.
02H
Improper register number
• No register numbers to be accessed have been registered.
• ENTER command “0900H” that is an exclusive-use register for write-in was read out.
03H
Improper quantity
• The number of data items to be read or write-in is not in the range between 1 and 16.
• The number of data items in a message is not the value obtained by multiplying the
quantity by two in the write-in mode.
21H
Data setting error
• A simple upper/lower limit error occurred with control data or parameter write-in.
• A parameter setting error occurred when a parameter was written.
22H
Write-in mode error
• Attempt to write-in a parameter from PLC was made during running.
• Attempt to write-in an ENTER command from PLC was made during running.
• Attempt to write-in a parameter from PLC was made during UV occurrence.
• Attempt to write-in an ENTER command from PLC was made during UV occurrence.
• Attempt to write-in a parameter other than n001=12,13 (initialization) from PLC was
made during “F04” occurrence.
• Attempt to write-in a parameter from PLC was made while data were being stored.
• Attempt to write-in data exclusive for read-out from PLC was made.