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Specifications
26.7 Table of Special Data Registers
Register
Number
DT90000
Self-diagnostic error code
DT90001
Unused
Function cassette I/O error
DT90002
occurring location
DT90003
Unused
-DT90005
Function cassette error
DT90006
occurring location
DT90007
System register error number
Communication error flag
DT90008
COM4 port
Communication error flag
DT90009
COM2 port / COM3 port
FP-X Expansion I/O Unit
DT90010
verify mismatched unit
position
26-78
Name
When a self-diagnostic error occurs, the error code
is stored.
When an error occurs in the function cassette, the
corresponding bit is ON.
15
ON(1)：Abnormal OFF(0)：Normal
When an error occurs in the function cassette, the
corresponding bit is ON.
15
ON(1)：Abnormal OFF(0)：Normal
When there is mismatch in the setting content of the
system register, save the object system register
number.
Save error contents when using the COM4 port. ON
(1): Error, OFF (0): Normal
H00 Fixed
COM4 Overflow error
COM4 Parity error
COM4 Framing error
COM4 Ultra-limit running error
Save error contents when using the COM2 / COM3
port.
ON (1): Error, OFF (0): Normal
COM3
Overflow error
COM3 Parity error
COM3 Framing error
COM3 Ultra-limit running error
COM2 Overflow error
COM2 Parity error
COM2 Framing error
COM2 Ultra-limit running error
When the FP-X expansion I/O unit installation state
turns to power ON, the corresponding bit to the unit
number is ON (1). Monitor with BIN display.
15
ON(1)：Abnormal OFF(0)：Normal
Description
11
7
3 2 1 0 (Bit No.)
2 1 (Expansion No.)
11
7
3 2 1 0 (Bit No.)
2 1 (Expansion No.)
bit no. 15
8 7
0 0 0 0 0 0 0 0
bit no. 15
8 7
0 0 0 0
11
7
6
5
4
3 2 1 0 (Bit No.)
7
6
5
4
3 2 1 0
(Expansion No.)
R
○
×
○
×
○
○
0
0 0 0 0
○
0
0 0 0 0
○
○
W
×
×
×
×
×
×
×
×
×
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