Mitsubishi Electric MELSEC iQ-R Series User Manual page 25

Variable input/output
Item
Variable type Type
Data type Type
Capacity Maximum number of settings (per
project)
Maximum number of settings (for
one job)
*1 The number of settings depends on the data size. However, 2 bytes are used even when the data type is bit.
*2 The total number of characters of a character string type for one job is up to 2048 characters.
Data operation and processing
Item
Operator Substitution
Arithmetic operation
Character string
operation
Bit operation
Type conversion
Maximum number of Maximum
operation settings
For one job
For one action
External communication client
Item
External communication client (program
execution)
Security
Item
Security (user authentication)
Specification
• Local variable (retains data only at a job execution and can be used in a same job.)
• Global variable (retains data until the power supply is turned OFF or a CPU module is
reset, and can be used between different jobs.)
• System variable
• Bit
• Word [unsigned]/Bit string [16-bit]
• Double word [unsigned]/Bit string [32-bit]
• Word [signed]
• Double word [signed]
• Single-precision real number
• Double-precision real number
• Character string [Unicode]
• Local variable: 1024 words (2048 bytes)
• Global variable: 4096 words (8192 bytes)
• System variable: A defined variable is used.
• Local variable: 1024 words (2048 bytes)
*2
• Global variable: 512 words (1024 bytes)
Specification

5 types
8 types
5 types
4 types
38400 settings (600 settings  64 jobs)
600 settings (20 settings  30 actions)
20 settings
Number of characters for
execution command
Function
Number of accounts
*1
Specification
Up to 127 characters
• Return value evaluation
• Execution completion standby
Specification
16 accounts
*1
2 SPECIFICATIONS
2.1 Performance Specifications
2
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