11-41 
FP2/FP2SH/FP10SH/FP3  (A: Available, N/A: Not available) 
Name  Descriptions 
Read-
ing 
Writ-
ing 
FP3 
FP2/ 
FP2SH 
DT9136 
DT9137 
DT90136 
DT90137 
Error code 
of 
MEWNET-F 
(remote 
I/O) system 
Display the error conditions for 8 types of 
errors using 1 byte. 
 
A  N/A 
DT9138  DT90138  Not used 
- 
N/A  N/A 
DT9140  DT90140 
MEWNET-
W/-P 
PC(PLC) 
link status 
[PC(PLC) 
link 0 
(W/P)] 
(*Note2, 3) 
The number of times the receiving operation 
is performed (counted using ring counter) 
N/A  N/A 
DT9141 
(*Note1) 
DT90141 
The current interval between two receiving 
operations: value in the register x 2.5 ms 
DT9142 
(*Note1) 
DT90142 
The minimum interval between two receiving 
operations: value in the register x 2.5 ms 
DT9143 
(*Note1) 
DT90143 
The maximum interval between two receiving 
operations: value in the register x 2.5 ms 
DT9144 
(*Note1) 
DT90144 
The number of times the sending operation is 
performed (counted using ring counter) 
DT9145 
(*Note1) 
DT90145 
The current interval between two sending 
operations: value in the register x 2.5 ms 
DT9146 
(*Note1) 
DT90146 
The minimum interval between two sending 
operations: value in the register x 2.5 ms 
DT9147 
(*Note1) 
DT90147 
The maximum interval between two sending 
operations: value in the register x 2.5 ms 
Note1) Used by the system. 
Note2) When the system register 46 = K0, First: PC(PLC) link 0, second: PC(PLC) link 1 
    When the system register 46 = K1, First: PC(PLC) link 1, second: PC(PLC) link 0 
Note3) For MEWNET-W system, available PLC type: FP2/FP2SH/FP3/FP10SH 
    For MEWNET-P system, available PLC type: FP3/FP10SH