I-59
FX Series PLC User's Manual - Data Communication Edition
Remote Maintenance
8 Troubleshooting
8.9 Operation mode display [D8419 and D8439] (FX3S, FX3G, FX3GC, FX3U, FX3UC)
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter
Communication
F
Non-Protocol
Communication
(RS/RS2 Instruction)
G
Non-Protocol
Communication
(FX
2N
-232IF)
H
Programming
Communication
I
Remote
Maintenance
Apx.A
Discontinued
models
8.9 Operation mode display [D8419 and D8439]
(FX3S, FX3G, FX3GC, FX3U, FX3UC)
These devices store the communication type being used.
1. Detailed contents
These devices store the code of the communication type currently being used in the communication port.
When communication port ch1 is used, D8419 stores the communication type.
When communication port ch2 is used, D8439 stores the communication type.
The table below shows the contents of the communication type codes.
Code Description
0 Programming communication
1 PP modem mode
2 Protocol dedicated to computer link
3 N:N Network
4 RS instruction
5 RS2 instruction
6 Parallel link
7 Inverter instruction
8 Variable analog potentiometer expansion board is used.
9 MODBUS communication
10 CF-ADP
11 ENET-ADP
12 Input/output expansion board is used.