Mitsubishi Electric MELSEC iQ-R Series - Network No. Specification Device (J); I;O No. Specification Device (U); SFC Block Device (BL); SFC Transition Device (TR)

27 DEVICES
27.14 Network No. Specification Device (J)
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27.14 Network No. Specification Device (J)
This device is used when specifying a network number with the Link dedicated instruction. ( MELSEC iQ-R Programming
Manual (Module Dedicated Instructions))
27.15 I/O No. Specification Device (U)
This device is used when specifying an I/O number with the intelligent function module dedicated instruction. ( MELSEC
iQ-R Programming Manual (Module Dedicated Instructions))
27.16 SFC Block Device (BL)
This device is used when specifying SFC program blocks. This device is also used when specifying step No. through such
methods as verifying (monitor, current value changes) SFC programs with SFC control instructions or the engineering tool.
( MELSEC iQ-R Programming Manual (Program Design))
27.17 SFC Transition Device (TR)
This device is used when specifying SFC program transition conditions. This device can only be used for device comments for
transition conditions. ( MELSEC iQ-R Programming Manual (Program Design))
27.18 Global Device
This device can be shared by all the programs. All the devices that do not set as local device are handled as global device.