402
Auxiliary Area Section 9-11
Too Many I/O Points, Cause A40713 to
A40715
These three bits indicate the cause of the Too Many I/O
Points Error. (See A40700 to A40712.)
000 (0): Too many I/O points.
001 (1): Too many Interrupt Input points.
101 (5): Too many Expansion Racks connected.
111 (7): Too many Units are connected to one rack (more
than 10).
Read-only
I/O Bus Error Flag
(Fatal error)
A40114 ON when an error occurs in a data transfer between the
CPU Unit and a Unit mounted to a slot or the End Cover is
not connected to the CPU Rack or an Expansion Rack.
Read-only
I/O Bus Error Slot Number A40400 to
A40407
Contains the 8-bit binary slot number (00 to 09) where an
I/O Bus Error occurred. Contain 0E hex of the End Cover is
not connected to the CPU Rack or an Expansion Rack.
Read-only
I/O Bus Error Rack Number A40408 to
A40415
Contains the 8-bit binary rack number (00 to 07) where an
I/O Bus Error occurred.
Read-only
I/O Table Errors
(Not supported by CJ1@-
CPU@@ CPU Units.)
A26100 CPU Bus Unit Setup Area Initialization Error Flag
ON: Error in CPU Bus Unit Setup
Turns OFF when I/O tables are generated normally.
Read-only
A26102 I/O Overflow Flag
ON: Overflow in maximum number of I/O points.
Turns OFF when I/O tables are generated normally.
Read-only
A26103 Duplication Error Flag
ON: The same unit number was used more than once.
Turns OFF when I/O tables are generated normally.
Read-only
A26104 I/O Bus Error Flag
ON: I/O bus error
Turns OFF when I/O tables are generated normally.
Read-only
A26107 Special I/O Unit Error Flag
ON: Error in a Special I/O Unit
Turns OFF when I/O tables are generated normally.
Read-only
A26109 I/O Unconfirmed Error Flag
ON: I/O detection has not been completed.
Turns OFF when I/O tables are generated normally.
Read-only
Duplication Error Flag
(Fatal error)
A40113 ON in the following cases:
Two CPU Bus Units have been assigned the same unit num-
ber.
Two Special I/O Units have been assigned the same unit
number.
Two Basic I/O Units have been allocated the same data area
words.
The same rack number is set for more than one Expansion
Rack.
Read-only
Interrupt Input Unit Position
Error Flag
(Not supported by CJ1@-
CPU@@ CPU Units.)
A40508 CJ1-H CPU Units:
ON when the Interrupt Input Unit is not connected in one of
the five positions (slots 0 to 4) next to the CPU Unit on the
CPU Rack.
CJ1M CPU Units:
ON when the Interrupt Input Unit is not connected in one of
the three positions (slots 0 to 2) next to the CPU Unit on the
CPU Rack.
Read-only
Name Address Description Access