Cause

Error encountered during execution of the low-priority ladder task

<rung>

Number of the rung that caused the error

<code>

Alarm codes (bit mask):

•0x000001 = Specified bit number illegal (out of range 0÷31)

•0x000008 = Unknown variable

•0x000010 = Illegal variable

•0x000020 = Illegal operation

•0x000040 = Disabled execution

•0x000080 = Internal error (wrong accumulator bit)

•0x00000100 = Illegal I/O index

•0x00000200 = Illegal bit

•0x00000400 = Illegal integer volatile register index

•0x00000800 = Illegal non-volatile integer register index

•0x00001000 = Illegal axis number

•0x00002000 = Illegal alarm mask index

•0x00004000 = Illegal array index

•0x00008000 = Illegal variable index

•0x00010000 = Illegal timer operation

•0x00020000 = Illegal variable value

•0x00040000 = Division by zero

•0x00080000 = Destination smaller than source

•0x00100000 = Block call stack overflow error

•0x00200000 = Block call stack underflow error

•0x00400000 = Block call stack error

Output condition

Effect

The rung in question is not executed

What to do

Check the task ladder at the indicated location

Alarm mask

am[50].2

Alarm par prominent

No

Alarm type

Autodia

Notes

More information about this alarm can be obtained by querying the operating system report via the mreport directive