Mitsubishi Electric FX3U-232-BD - Contents of Related Devices

E-97
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
9 Creating Programs (FX3S, FX3G, FX3GC, FX3U, FX3UC)
9.2 Contents of Related Devices
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
9.2 Contents of Related Devices
The tables below show devices used for inverter communication in FX3S, FX3G, FX3GC, FX3U and FX3UC
PLCs.
1. Bit devices
R: Read only (used as a contact in program)
*1. Cleared when PLC power supply is turned from OFF to ON.
*2. Cleared when the PLC mode is changed from STOP to RUN.
*3. The IVBWR instruction is supported only in FX
3U and FX3UC PLCs.
2. Word devices
R: Read only
W: Write only
R/W: Read or Write
*4. Cleared when PLC power supply is turned from OFF to ON.
*5. Cleared when the PLC mode is changed from STOP to RUN.
*6. The IVBWR instruction is supported only in FX
3U and FX3UC PLCs.
*7. Updated only for the first error occurrence, and not for the second error occurrence or later.
Device No.
Name Description R/W
ch1 ch2
M8029 Instruction execution complete
Turns ON when execution of inverter communication
instruction is completed, and remains ON for 1 scan.
Turns ON also when execution of instruction is
completed if inverter communication error flag
(M8152 or M8157) turns ON.
R
M8063 M8438
Serial communication error
*1
Turns ON when an error occurs in any type of
communication.
R
M8151 M8156 Inverter communicating
Remains ON while inverter communication is being
executed.
R
M8152 M8157
Inverter communication error
*2
Turns ON when an error occurs during
communication with an inverter.
R
M8153 M8158
Inverter communication error latch
*2
Turns ON when an error occurs during
communication with an inverter.
R
M8154 M8159
IVBWR instruction error
*2, *3
Turns ON when an error is caused by IVBWR
instruction.
R
Device No.
Name Description R/W
ch1 ch2
D8063 D8438
Error code for serial communication
*4
Stores a communication error code. R
D8150 D8155
Inverter communication response
waiting time
*4
Sets the response wait time of inverter
communication.
R/W
D8151 D8156
Step number of instruction executing
inverter communication
Stores the step number of an instruction during
inverter communication.
R
D8152 D8157
Error code for inverter
communication
*5
Stores an inverter communication error code. R
D8153 D8158
Step where inverter communication
error occurred
*5
Latches a step number in which inverter
communication error has occurred.
*7
R
D8154 D8159
Error parameter number of IVBWR
instruction
*5*6
Stores a parameter number in which an IVBWR
instruction error has occurred.
R
D8419 D8439 Operation mode display Stores the communication type being used. R