![]() ![]() Refer to the A.1.4.5 Device/PLC System Data Area Allocation Procedure or "GP-Pro EX Device/PLC manual" for details on the system data area. System Data Area/LS Area for Use with Multiple Devices/PLCs When using Direct Access Method and Memory Link Methodįor example, Company A's PLC is connected to COM1 by the direct access method, and the micro-computer board is connected to COM2 by the memory link method. When using an Ethernet communication driver with multiple connections, or cannot be set up in the same driver.įor example, when has been set to MELSEC A Ethernet type, cannot be set to MELSEC A Ethernet type.ĭirect Access Method + Memory Link Methodĭevices/PLCs and hosts (PCs, Microcomputer boards, etc.) can be connected at the same time. In the above example, COM1 has one driver set up (Company A's PLC), so the Ethernet port can handle three additional types of drivers (Company B, C, and D). However, one driver can be configured per COM port, and the remainder be used by the Ethernet port, or all 4 can be used by the Ethernet port and none by the COM ports. A maximum of four drivers can be used by the ports.
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