Mitsubishi Electric MELSEC iQ-R Series User Manual page 23

DB input/output
Item
Access target Database type
server
Access type
Maximum number of settings
Access table/ DB communication type
procedure
Maximum number of settings
(for one project)
Maximum number of settings
(for one job)
Maximum number of settings
(for one action)
Maximum number of settings
(per access table)
Access field/ Maximum number of settings
*1
procedure (per project)
argument
Maximum number of settings
*1
(for one job)
Maximum number of access
field settings (for one table or
*2
one view)
Maximum number of access
procedure argument settings
(for one procedure)
Data type
Maximum number of settings
(for one action)
Specification
RD81MES96N
• Oracle
• Microsoft SQL Server
• Microsoft Access
• MySQL
• PostgreSQL
• MariaDB
• Connection via service
• Direct DB connection
16 servers
• Select
• Insert
• Update (Data can be inserted if there is no data
to be updated.)
• Delete
• Multiple Select
• Multiple Insert
• Stored Procedure
64 tables and views/procedures
20 tables and views/procedures
1 table and view/procedure
Total length of DB field name: 16384 characters
65536 settings
• When the trigger buffering is disabled: 20480
settings
• When the trigger buffering is enabled: 8192
settings
Note that the following limits apply:
• Date and time type access field/procedure
argument: Up to 50 settings
• Total number of characters of a character string
type: Up to 90000 characters
(total number of characters of a character string
type for a device tag, variable, and constant)
1024 fields
256 settings
*2
• Integer
*3
• Real number
• Real number [floating point]
• Real number [fixed point]
• Character string [Unicode]
• Character string [Unicode(NCHAR)]
• Character string [Unicode(CHAR)]
• Date and time
Total number of characters of a character string
type (total number of characters of a character
string type for a device tag, variable, and constant)
It differs for each DB communication type.
• Select: Up to 90000 characters
• Insert: Up to 10000 characters
• Update: Up to 10000 characters
• Delete: Up to 10000 characters
• Multiple Select: Up to 90000 characters
• Multiple Insert: Up to 20000 characters
RD81MES96
• Oracle
• Microsoft SQL Server
• Microsoft Access
• MySQL
• PostgreSQL
Connection via service
• Select
• Insert
• Update (Data can be inserted if there is no data
to be updated.)
• Delete
• Multiple Select
• Stored Procedure
• When the trigger buffering is disabled: 20480
settings
• When the trigger buffering is enabled: 8192
settings
Note that the following limits apply:
• Date and time type access field/procedure
argument: Up to 50 settings
• Total number of characters of a character string
type: Up to 2048 characters
(total number of characters of a character string
type for a device tag, variable, and constant)
• Integer
• Real number
*4
• Real number [floating point]
*4
• Character string [Unicode]
*5
• Character string [Unicode(NCHAR)]
*6
• Character string [Unicode(CHAR)]
*6
• Date and time
No limit
2.1 Performance Specifications
*3
*4
*5
*6
*6
2 SPECIFICATIONS
2
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