Fb Details; Error Code - Mitsubishi Electric MELSEC iQ-R Series Manual

FB details

Available device
■Serial communication module
Module
RJ71C24, RJ71C24-R2, RJ71C24-R4
■CPU module
MELSEC iQ-R series CPU modules
Basic specifications
Item Description
Language Ladder diagram
Number of basic steps 10 steps
The number of steps of the FB embedded in a program depends on the CPU module used, the input/output definitions, and the
options setting of GX Works3. For the options setting of GX Works3, refer to the GX Works3 Operating Manual.
FB compilation method Macro type
FB operation • Pulse execution (multiple scan execution type)
• Always executed
Processing
By turning ON i_bEN (Execution command), the execution status of the FB or the dedicated instruction for the target module
is read.
Timing chart of I/O signals
i_bEN
o_uCommunicationStatus
Restrictions or precautions
This FB does not include the error recovery processing. Program the error recovery processing separately in accordance with
the required system operation.
This FB uses the dedicated instruction GP.SPBUSY.

Error code

The error code is the same as the one that generates when the G(P).SPBUSY instruction is used. Refer to MELSEC iQ-R
Programming Manual (CPU Module Instructions, Standard Functions/Function Blocks).
Engineering tool
GX Works3
Result
2 SERIAL COMMUNICATION MODULE FB
2.6 M+RJ71C24_ReadInstructionBusy
2
21