Related Data - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication

12. Related Data

This chapter shows various technical information.
12.1 Related Device List (FX
The tables below show special auxiliary relays and special data registers used in inverter communication
(EXTR K10 to EXTR K13).
1. Bit devices
Device No.
Instruction execution
M8029
complete
Extension ROM
M8104
cassette check
M8154 Unused
Communication port
M8155
busy
Communication error
M8156
or parameter error
Communication error
M8157
latch
R: Read only (used as a contact in program)
*1. Cleared when the PLC mode is changed from STOP to RUN.
2. Word devices
Device No.
Extension ROM
D8104
cassette type code
Extension ROM
D8105
cassette version
Inverter response
D8154
waiting time
Step number of
D8155 instruction using the
communication port
D8156
Error code
Error occurrence
D8157
step number latch
R: Read only
W: Write only
R/W: Read or Write
*1. Cleared when the PLC mode is changed from STOP to RUN.
, FX
2N
Name
Turns ON when execution of EXTR instruction is completed, and remains
ON for 1 scan.
Turns ON also when execution of instruction is completed if M8156
(communication error or parameter error) turns ON.
Remains ON while an extension ROM cassette is attached.
Remains ON while the communication port is used by an EXTR instruction.
Turns ON when a communication error is caused by an EXTR instruction.
Turns ON when a communication error is caused by an EXTR instruction.
*1
Name
Stores the type code of an extension ROM cassette (value: K1).
Stores the version of an extension ROM cassette
(value: K100 = Ver. 1.00).
Sets the inverter response waiting time.
Stores the step number of EXTR instruction using the communication port.
Stores an error code when a communication error is caused by an EXTR
*1
instruction.
Stores the instruction step number in which a communication error has
*1
occurred. (Stores K-1 when no error has occurred.)
)
2NC
Description

Description
12 Related Data
12.1 Related Device List (FX2N, FX2NC)
R/W
R
R
R
R
R
R
R/W
R
R
R/W
R
R
R
E-139
A
B
C
D
E
F
G
H
I
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