Updating The Record In The Data Base - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Updating the record in the data base

DBUPDATE(P)
RnPCPU
RnCPU RnENCPU
(Process)
These instructions update all records that meet the specified condition in the specified table corresponding to the specified
identification number.
Ladder
(s1)
FBD/LD
EN ENO
s1 d1
s2 d2
s3
s4
s5
■Execution condition
Instruction
DBUPDATE
DBUPDATEP
Setting data
■Descriptions, ranges, and data types
Operand Description
(s1) Database identification number
(s2) Start device for storing the table name of the database
table to be updated.
(s3) Start device for storing the field name of the database to be
*1
updated.
(s4) Start device for storing the updated data
(s5) Start device for storing the update conditions (a maximum
of two conditions).
(d1) Completion device (start device that turns on one scan
upon completion of instruction)
• (d1)+0: Completion signal
• (d1)+1: Error completion signal
(d2) Completion status
• 0000: Completed successfully
• Other than 0000: Completed with an error (error code)
EN Execution condition
ENO Execution result
*1 The table and field names are case-sensitive.
*2 When specifying setting data by using a label, define an array to secure enough operation area and specify an element of the array
label.
7 APPLICATION INSTRUCTIONS
962
7.21 Database Access Instructions
RnPCPU RnSFCPU RnSFCPU
(Redundant) (Standard) (Safety)
(s2) (s3) (s4) (s5) (d1) (d2)
Execution condition
*1
ST
ENO:=DBUPDATE(EN,s1,s2,s3,s4,s5,d1,d2);
ENO:=DBUPDATEP(EN,s1,s2,s3,s4,s5,d1,d2);
Range Data type
1 to 4 16-bit signed binary
 Unicode string

Word

Word

Word
 Bit
 Word

Bit

Bit
Data type (label)
ANY16
ANYSTRING_DOUBLE
*2
ANY16
*2
ANY16
*2
ANY16
ANYBIT_ARRAY
(Number of elements: 2)
ANY16
BOOL
BOOL