Omron SYSMAC CJ1W-EIP21, Operation Manuals

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9-13
9 FTP Server
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
9-6 FT
P
Ser
ver Statu
s
9
9
-6-1
FTP Statu
s
9-6 FTP Server Status
You can use the following device variable for the CJ-series Unit to see whether the FTP server is oper-
ating.
Precautions for Correct Use Precautions for Correct Use
File operations for files on the SD Memory Card are performed during FTP communications. Do
not remove the SD Memory Card or turn OFF power to the Controller while FTP is being used.
Additional Information
When using File Memory Instruction from the program in the CPU Unit, program exclusive con-
trol using the FTP Status variable so that the same data is not manipulated simultaneously by
more than one instruction.
9-6-1 FTP Status
Device variable name for CJ-
series Unit
Data
type
R/W Meaning Description
*_CommSta2 WORD R Communications Sta-
tus 2 Bit 00: FTP Status
Bit 14: Link Status
*_FTPSta BOOL R FTP Status TRUE: FTP server is operating.
(The FTP client is connected.)
FALSE: FTP server is not connected.
(The FTP client is waiting for a connection.)