Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

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7 APPLICATION INSTRUCTIONS
7.21 Database Access Instructions
Opening the data base
DBOPEN(P)
These instructions connect to the database specified by (s) and make it available.
■ Execution condition
Setting data
■
Descriptions, ranges, and data types
■ Applicable devices
Ladder ST
ENO:=DBOPEN(EN,s,d1,d2,d3);
ENO:=DBOPENP(EN,s,d1,d2,d3);
FBD/LD
Instruction Execution condition
DBOPEN
DBOPENP
Operand Description Range Data type Data type (label)
(s) Start device for storing the folder path of the database to be
opened.
Example: "2:\database1\recipe"
Within 128 characters  Unicode string ANYSTRING_DOUBLE
(d1) Database identification number 1 to 4 16-bit signed binary ANY16
(d2) Completion device (start device that turns on one scan
upon completion of instruction)
• (d2)+0: Completion signal
• (d2)+1: Error completion signal

Bit ANYBIT_ARRAY
(Number of elements: 2)
(d3) Completion status
• 0000: Normal completion
• Other than 0000: Error completion (error code)

Word ANY16
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 $
(s)
           
(d1)
           
(d2)            
(d3)            
RnCPU RnENCPU
RnSFCPU RnSFCPU RnPCPU RnPCPU
(Standard) (Safety) (Redundant) (Process)
(s) (d1) (d2) (d3)
EN ENO
d1
d2
s
d3