
B–63523EN–1/03
13. INPUT/OUTPUT OF DATA
1687
Number Message Description
079 PROGRAM VERIFY
ERROR
In memory or program collation,a pro-
gram in memory does not agree with
that read from an external I/O device.
Check both the programs in memory
and those from the external device.
085 COMMUNICATION
ERROR
When entering data in the memory by
using Reader / Puncher interface, an
overrun, parity or framing error was
generated. The number of bits of input
data or setting of baud rate or specifica-
tion No. of I/O unit is incorrect.
086 DR SIGNAL OFF When entering data in the memory by
using Reader / Puncher interface, the
ready signal (DR) of reader / puncher
was turned off.
Power supply of I/O unit is off or cable
is not connected or a P.C.B. is defec-
tive.
087 BUFFER OVERFLOW When entering data in the memory by
using reader /puncher interface,
though the read terminate command is
specified, input does not stop after 10
characters read. I/O unit or P.C.B. is de-
fective.
180 COMMUNICATION
ERROR (REMOTE BUF)
Remote buffer connection alarm has
generated. Confirm the number of
cables, parameters and I/O device.
233 DEVICE BUSY When an attempt was made to use a
unit such as that connected via the
RS–232–C interface, other users were
using it.
239 BP/S ALARM While punching was being performed
with the function for controlling external
I/O units ,background editing was per-
formed.
Alarm and message