11-46
FP2/FP2SH/FP10SH/FP3 (A: Available, N/A: Not available)
Name Descriptions
Read-
ing
Writ-
ing
FP3
FP2/
FP2SH
DT9213 DT90213
MEWNET-
W/-P link
status
[W/P link 2]
(*Note)
Counts how many times a parity error is
detected.
A N/A
DT9215 DT90215
Format error
DT9217 DT90217
Self-diagnostic result
DT9218 DT90218
Counts how many times loop change is
detected.
Available PLC: FP3, FP10SH
DT9219 DT90219
Counts home many times link error is
detected.
DT9220 DT90220
Counts how many times main loop break is
detected.
Available PLC: FP3, FP10SH
DT9221 DT90221
Counts how many times sub loop break is
detected.
Available PLC: FP3, FP10SH
DT9222 DT90222
Loop reconstruction condition
Available PLC: FP3, FP10SH
DT9223 DT90223
Loop operation mode
Available PLC: FP3, FP10SH
DT9224 DT90224
Loop input status
Available PLC: FP3, FP10SH
DT9225 DT90225 Not used
-
DT9227 DT90227 Not used
-
DT9229 DT90229 Not used
-
DT9230 DT90230
MEWNET-
W/-P link
status
[W/P link 3]
(*Note)
Station number, where the send area
address for the PC link is overlapped with
this station, is stored here.
A N/A
DT9231 DT90231
Test result in the optical transmission path
test mode for MEWNET-P link system is
stored here.
Counts how many times a token is lost.
DT9233 DT90233
Counts how many times two or more tokens
are detected.
Counts how many times a signal is lost.
DT9235 DT90235
Counts how many times a synchronous
abnormality is detected.
DT9237 DT90237
Send NACK
Note) For MEWNET-W system, available PLC type: FP2/FP2SH/FP3/FP10SH
For MEWNET-P system, available PLC type: FP3/FP10SH