Mitsubishi Electric MELSEC iQ-R Series User Manual page 224

Serial communication module

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Data register

• For communication using either the nonprocedural protocol or bidirectional protocol, BUFRCVS instruction

is used to receive data with an interrupt program. (Page 520 Dedicated Instructions)

• To startup an interrupt program, create a program to allow/prohibit interrupt during the main program.

Instruction to be used is EI, DI, and IMASK.

8 RECEIVING DATA WITH AN INTERRUPT PROGRAM

8.4 Program Example

Buffer memory

Reception area

Receive data count

Receive data

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