E-117
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
12 Related Data
12.2 Details of Related Devices for FX2N and FX2NC PLCs
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.
Discontinued
models
12.2.5 Communication error latch [M8157]
This device turns ON when the communication error flag M8156 turns ON.
1. Detailed contents
M8157 turns ON when a communication error occurs and M8156 turns ON.
When M8157 turns ON, D8157 stores the step number in which the error has occurred.
2. Cautions on use
M8157 remains ON until the PLC mode is changed from STOP to RUN.
12.2.6 Extension ROM cassette type code [D8104]
This device stores the type code of an extension ROM cassette.
1. Detailed contents
While the following ROM is attached to an FX PLC, D8104 stores its model code.
-FX
2N . . . . . . FX2N-ROM-E1 (model code: K1)
-FX
2NC . . . . . FX2NC-ROM-CE1 (model code: K1)
12.2.7 Extension ROM cassette version [D8105]
This device stores the version of an extension ROM cassette.
1. Detailed contents
While an extension ROM is attached, D8105 stores its version information (K100 = Ver. 1.00).
12.2.8 Inverter response waiting time [D8154]
This device sets the response waiting time of an inverter.
1. Detailed contents
D8154 sets the response waiting time of an inverter.
Set a value within the range from "1 to 32767" (unit: 100 ms) to D8154.
When "0" or a negative value is set, it is handled as "100 ms".
12.2.9 Step number of instruction using communication port [D8155]
This device stores the step number of an instruction occupying the communication port.
1. Detailed contents
D8155 stores the step number of EXTR instruction using the communication port.
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