
8
8.2 Alarms Displayed on the PMC Screen
528
8.2.5 Error messages (For EDIT: PMC–SA1)
Message
Faulty location/
corrective action
Contents
ADDRESS BIT
NOTHING
Set an address. The address of the relay/
coil is not set.
FUNCTION NOT
FOUND
Enter a correct function
instruction number.
There is no functional
instruction of the input num-
ber.
COM FUNCTION
MISSING
If the specified COM
instructions are insufficient,
add COM instructions at
proper locations. Delete
any unnecessary COME
instructions.
The functional instruction
COM (SUB9) is not correct-
ly dealt with.
Correspondence of COM
and COME (SUB29) is in-
correct.
Or, the number of coil con-
trolled by COM is specified
by the model which the
number cannot be speci-
fied.
EDIT BUFFER
OVER
Please reduce NET under
editing.
There in no empty area of
the buffer for the editing.
END FUNCTION
MISSING
Add the END, END1, END2,
and END3 instructions at
proper locations.
Functional instruction
END1, END2, END3 and
END do not exist. Or, there
are error net in END1,
END2, END3, END.
Or, order of END1, END2,
END3, and END is not cor-
rect.
ERROR NET
FOUND
Modify the erroneous net. There is an error net.
ILLEGAL FUNCTION
NO.
Specify a correct function
instruction number.
The wrong number of the
functional instruction is
searched.
FUNCTION LINE
ILLEGAL
Check if the control condi-
tion of the function instruc-
tion is connected correctly.
The functional instruction is
not correctly connected.
HORIZONTAL LINE
ILLEGAL
Correct the connection. The horizontal line of the net
is not connected.
ILLEGAL NETS
CLEARED
Save the ladder after edit-
ing.
Because the power had
been turn off while editing
LADDER, some net under
editing was cleared.
ILLEGAL
OPERATION
Perform a correct operation. Operation is not correct.
The value is not specified
and only <INPUT> key was
pushed.
The address data is not cor-
rectly inputted.
Because the space to dis-
play the instruction on
screen is not enough, the
functional instruction can-
not be made.
SYMBOL
UNDEFINED
Specify a defined symbol or
address.
The symbol which was in-
putted is not defined.