Instruction manual

Error Codes
99
01H
02H
03H
21H
22H
Error Code Contents
Function code error
• Function code from PLC is other than 03H, 08H or 10H.
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.
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.
Data setting error
• A simple upper/lower limit error occurred with control data or
constant write-in.
• A constant setting error occurred when a constant was written.
Write-in mode error
• Attempt to write-in a constant from PLC was made during running.
∗
• Attempt to write-in an ENTER command from PLC was made
during running.
• Attempt to write-in a constant 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 constant other than n001=12, 13
(constant initialization) from PLC was made during “F04” occurrence.
• Attempt to write-in a constant from PLC was made while data
were being stored.
• Attempt to write-in data exclusive for read-out from PLC was made.
* Refer to the constants list for constants that can be changed during operation.
VS-606V7 is 100,000; do not execute the ENTER command excessively.
When a constant is changed from the digital operator, the constant data
on the RAM is written to the non-volatile memory without ENTER
command.
Register number 0900H is used only for write-in. If this register is read-
out, register number error (error code: 02H) occurs.