Filter
Top Products
8 CF-ADP Applied Instructions Explanation
8.9 Contents of Related Devices
80
FX3U-CF-ADP User's Manual
8.9 Contents of Related Devices
The tables below show special auxiliary relays and special data registers used in CF-ADP instructions
(FNC300 (FLCRT) to FNC305 (FLSTRD)).
For details on the related devices, refer to Appendix A-2.
1. Special auxiliary relays
R: Read only W: Write only R/W: Read or Write
*1. Cleared when the PLC mode is changed from STOP to RUN.
*2. When an instruction for the CF-ADP is driven while the system is updating the status of special data
registers, execution of the instruction for the CF-ADP may be delayed by several scans. If this delay is
regarded as a problem, use this flag to stop the updating of the status.
2. Special data registers
R: Read only W: Write only R/W: Read or Write
*1. Cleared when the PLC mode is changed from STOP to RUN.
Device
Name Description R/W
ch1 ch2
M8029 Instruction execution complete
Turns ON when the execution of CF-ADP instructions is completed,
and remains ON for 1 scan.
R
M8329 Instruction execution abnormal end
Turns ON when the execution of CF-ADP instructions has ended
abnormally, and remains ON for 1 scan.
R
M8067 Operation error Turns ON when an operation error occurs. R
M8402 M8422 CF-ADP instruction executing
Remains ON while an instruction for the CF-ADP is being
executed.
R
M8404 M8424 CF-ADP unit ready Remains ON when the CF-ADP is ready for receiving commands. R
M8405 M8425 CF card mount status
ON : CompactFlash
TM
card mounted status
OFF : CompactFlash
TM
card unmounted status
R
M8410 M8430 CF-ADP status renewal stop
Stops communication executed by the system to update the status
of special data registers (D8406 and D8426)
*2
R/W
M8418 M8438
CF-ADP instruction error
*1
Turns ON when an error occurs in an instruction for the CF-ADP. R/W
Device
Name Description R/W
ch1 ch2
D8067 Error code for operation error Stores the error code when an operation error occurs. R
D8402
D8403
D8422
D8423
Step number of executing CF-ADP
instruction
*1
Stores the step number of an instruction for the CF-ADP. R
D8406 D8426 CF-ADP status Stores the status information of the CF-ADP. R
D8408 D8428 CF-ADP version Stores the version of the CF-ADP. R
D8414
D8415
D8434
D8435
Error step number of M8418, Error step
number of M8438
*1
Stores the step number of an instruction for the CF-ADP where an
error occurs.
R
D8417 D8437
Error code in detail for CF-ADP
instructions
*1
Stores error code details when an error occurs in an instruction for
the CF-ADP.
R
D8418 D8438
Error code for CF-ADP instructions
*1
Stores the error code when an error occurs in an instruction for the
CF-ADP.
R
D8419 D8439 Operation mode display Stores the communication function status being executed. R