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Chapter 5. Communication Parameters
5-26
5.4.2 P2P Service
P2P service acts as the client of the communication module. This service can be used by setting the XG-PD parameters.
Up to 8 P2P parameters can be set up. Each P2P parameter consists with maximum 64 P2P blocks. Major functionalities
of the P2P service are listed below.
(a) The functions of program which have been carried out by PLC are executed by the communication module.
(b) Programming is carried out by setting the parameters in the XG-PD.
(c) Using memory transmission method, when function change or addition is required, the functions can be changed or
added by changing the OS of the XG-PD and communication module, without changing the OS of the CPU module.
(d) Modification during running can be done by adding, changing, or deleting individual parameter block.
(e) Maximum 64 parameter blocks can be monitored.
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[Fig 5.4.2] Example of P2P parameter setting
P2P service provides read and write functions to support reading and writing of the partners memory.
P2P
Function
Description Remark
READ Read the area defined in the partner memory and save the read data. -
WRITE Save a part of PLC memory in the area defined in the partner. -
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P2P parameter setting window
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Maximum 8 P2P parameters can be set up
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Multiple P2P parameters can be set up for one RAPIEnet I/F Module
However, the Enable is allowed only for one of the P2P parameters for one RAPIEnet I/F Module
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P2P edit window
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maximum 64 P2P blocks can be registered and edited.