Related Device List (Fx 3S , Fx 3G , Fx 3Gc , Fx 3U , Fx 3Uc ) - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
12.3 Related Device List (FX
The tables below show special auxiliary relays and special data registers used in inverter communication
(FNC270 (IVCK) to FNC275 (IVMC)).
The FX PLC (14-point, 24-point type) and FX
3G
1. Bit devices
Device No.
ch1 ch2
M8029
M8063 M8438 Serial communication error
M8151 M8156 Inverter communicating
M8152 M8157 Inverter communication error
M8153 M8158 Inverter communication error latch
M8154 M8159 IVBWR instruction error
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
2. Word devices
Device No.
ch1 ch2
D8063 D8438 Error code for serial communication
D8150 D8155
D8151 D8156
D8152 D8157
D8153 D8158
D8154 D8159
D8419 D8439 Operation mode display
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
*7. Updated only for the first error occurrence, and not for the second error occurrence or later.
E-144
, FX
3S
Name
Instruction execution complete
*2, *3
Name
Inverter communication response
*4
waiting time
Step number of instruction executing
inverter communication
Error code for inverter
*5
communication
Inverter communication error
*5
occurring step latch
Error parameter number of IVBWR
*5*6
instruction
, FX , FX
3G 3GC 3U
PLC does not support ch2.
3S
Turns ON when the execution of inverter
communication instruction is completed, and remains
ON for 1 scan.
Turns ON also when the execution of instruction is
completed if inverter communication error flag
(M8152 or M8157) turns ON.
Turns ON when an error occurs in any type of
*1
communication.
Remains ON while inverter communication is being
executed.
Turns ON when an error occurs during
*2
communication with an inverter.
Turns ON when an error occurs during
*2
communication with an inverter.
Turns ON when an error is caused by IVBWR
instruction.
and FX
3U 3UC
*4
Stores a communication error code.
Sets the response wait time of inverter
communication.
Stores the step number of an instruction executing
inverter communication.
Stores an inverter communication error code.
Latches a step number in which an inverter
communication error has occurred.
Stores a parameter number in which an IVBWR
instruction error has occurred.
Stores the communication type being used.
and FX
3U 3UC
12.3 Related Device List (FX3S, FX3G, FX3GC, FX3U, FX3UC)
, FX )
3UC
Description
PLCs.
Description
*7
PLCs.
12 Related Data
R/W
R
R
R
R
R
R
R/W
R
R/W
R
R
R
R
R