7  APPLICATION INSTRUCTIONS
7.22  File Register Operation Instructions
993
7
Changing the file register file name
QDRSET(P)
These instructions change the file name of the file register used in the program to that stored in the device specified by (file 
name).
■Execution condition
■Description, range, data type
■Applicable devices
Ladder ST
FILE: File name
ENO:=QDRSET(EN,filename);
ENO:=QDRSETP(EN,filename);
FBD/LD
FILE: File name
Instruction Execution condition
QDRSET
QDRSETP
Operand Description Range Data type Data type (label)
(File name) String data of drive number file name of the file register to 
be set, or the start device where the string data is stored
Example: "1: ABC"
 Unicode string ANYSTRING_DOUB
LE
EN Execution condition  Bit BOOL
ENO Execution result  Bit BOOL
Operand Bit Word Double word Indirect 
specification
Constant Others
X, Y, M, L, 
SM, F, B, SB, 
FX, FY
J\ T, ST, C, D, W, 
SD, SW, FD, R, 
ZR, RD
U\G, J\, 
U3E\(H)G
Z LT, LST, 
LC
LZ K, H E $
(File name)   
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant)
(Process)