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FPΣ
B.5
B.5
Table of Special Data Registers
Table of Special Data Registers
The special data registers are one word (16-bit) memory areas which store specific
information.
(A: Available, N/A: Not available)
Address
Matsushita
IEC
Name
DT90000
Self–diagnostic error code
%MW5.90000
Description
Reading
Writing
The self-diagnostic error code is stored
here when a self-diagnostic error occurs.
A
N/A
N/A
N/A
A
N/A
N/A
N/A
DT90001
Not used
%MW5.90001
DT90002
Position of abnormal I/O unit
%MW5.90002 for FPΣ left side expansion
When an error occurs at an FPΣ expansion I/O unit, the bit corresponding to the
unit no. will turn on. Monitor using binary
display.
15
11
7
3 2 1 0 (bit no.)
3 2 1 0 (unit no.)
on: error, off: normal
DT90003
Not used
%MW5.90003
DT90004
Not used
%MW5.90004
DT90005
Not used
%MW5.90005
DT90006
Position of abnormal intelli%MW5.90006 gent unit for FPΣ left side expansion
When an error condition is detected in an A
intelligent unit, the bit corresponding to the
unit no. will turn on. Monitor using binary
display.
15
11
7
N/A
3 2 1 0 (bit no.)
3 2 1 0 (unit no.)
on : error, off: normal
DT90007
Not used
%MW5.90007
DT90008
Not used
%MW5.90008
DT90009
Communication error flag for
%MW5.90009 COM 2
Stores the error contents when using
COM port 2.
DT90010
Position of I/O verify error unit
%MW5.90010 for FP0 right side expansion
When the state of installation of an FP0
expansion I/O unit has changed since the
power was turned on, the bit corresponding to the unit no. will turn on. Monitor using binary display.
15
11
7
N/A
N/A
A
N/A
3 2 1 0 (bit no.)
2 1 0 (unit no.)
on: error, off: normal
B-20