
4. FUNCTION OVERVIEW
FUNCTION OVERVIEW
4.1 Function Block Diagram
Using function blocks, this section explains I/O data transfer to/from an inverter in
#Link refresh is continuously executed between the master station and inverter in the
PLC
Inverter
PLC CPU
1)AJ61BT11 I/O signals
2)Buffer memory access
Interface with PLC
CPU
Buffer
memory
I/O interface |
Input
Output
Inverter CPU
1)I/O signals assigned to the
These signals are used for communication between the PLC CPU and
2)Allows input data to be read, output data to be written, and a
Buffer memory is accessed by the FROM and TO instructions in the sequence program. For full information on the buffer memory, refer to the
3)
For details, refer to the
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