8. DATA INPUT/OUTPUT
If [F SET] or [O SET] is pressed without key inputting file number and
program number, file number or program number shows blank. When 0
is entered for file numbers or program numbers, 1 is displayed.
To use channel 0, set a device number in parameter (No.102).
Set the I/O device number to parameter No.0112 when cannel 1 is used.
For the numeral input in the data input area with FILE NO. and
PROGRAM NO., only lower 4 digits become valid.
When the data protection key on the machine operator’s panel is ON, no
programs are read from the floppy. They are verified against the contents
of the memory of the controller instead.
An invalid file number or program number was entered.
(Specified program number is not found.)
Verification operation found a mismatch between a program
loaded into memory and the contents of the floppy
The dataset–ready signal (DR) for the input/output device is
turned off. (The no file error or duplicate file error occurred on the
input/output device because an invalid file number, program
number, or file name was entered.)
Inputting file numbers
and program numbers