Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 968

Processing details
• Updates all record that meets the condition specified by (s5) in the table specified by (s2) in the database specified by the
identification number specified by (s1).
• Specify the field name of the record to be updated in (s3). Not all fields in the table need to be specified but at least one field
needs to be specified.
• Specify the value of the record to be updated in (s4). The set value in any field not specified in (s3) is not updated.
• Specify the condition to be updated in (s5). At least one condition needs to be specified and a maximum of two conditions
can be specified.
• When the DBUPDATE(P) instruction updates the table recipeA record that matches "field1="2" of the update condition in
which the update target field name is 2 and the updated data is New-Product1, the following occurs.
Table recipeA (before update)
Field 1
WORD
1
2
3
Table recipeA (after update)
Field 1
WORD
1
2
3
• When the DBUPDATE(P) instruction updates the table recipeA record that matches "field1>="2" and field1<=3 of the
update condition in which the update target field name is 2 and the updated data is New-Product1, the following occurs.
Table recipeA (before update)
Field 1
WORD
1
2
3
4
Table recipeA (after update)
Field 1
WORD
1
2
3
4
• Upon successful completion, the completion signal in the completion device (d1)+0 is turned on and 0 is stored as the
completion status in the device (d2).
7 APPLICATION INSTRUCTIONS
966
7.21 Database Access Instructions
Field 2 Field 3
WSTRING INT
(16 characters maximum)
ProductA 100
ProductB 200
ProductC 300
Field 2 Field 3
WSTRING INT
(16 characters maximum)
ProductA 100
New-Product1 200
ProductC 300
Field 2 Field 3
WSTRING INT
(16 characters maximum)
ProductA 100
ProductB 200
ProductC 300
ProductD 200
Field 2 Field 3
WSTRING INT
(16 characters maximum)
ProductA 100
New-Product1 200
New-Product1 300
ProductD 400