7
COMMUNICATION USING BUILT-IN ETHERNET
PORTS OF CPU MODULE
7.4 MC Protocol Communication
7 - 13
1
Overview
2
Performance
Specification
3
Sequence Program
Configuration and
Execution Conditions
4
I/O Nunber Assignment
5
Memories and Files
Handled by CPU Module
6
Functions
7
Communication using
built-in Ethernet ports of
CPU module
8
Communication with
Intelligent Function
Module
(1) Setting for MC protocol communication
Setting for communication using the MC protocol is described below.
Set the items on the Built-in Ethernet port tab of PLC parameter in GX Developer as
shown below.
(a) Communication data code
Select a communication data code used for the MC protocol, "Binary code" or
"ASCII code".
(b) Enable online change (FTP, MC protocol)
Check the checkbox to enable online change when writing data to the CPU
module from the external device that communicates using the MC protocol.
For details on the available functions with this setting, refer to (2) in this section.
(c) Open settings
Set the following items.
• Protocol :
Select a connection used as MC protocol. (Up to 16 CPU modules can be
connected.)
• Open system : Select "MC protocol".
• Host station port No. : Set the host station port number (in hexadecimal).
(Required) (Setting range : 0401
H to 1387H, 1392H to FFFEH)
Figure 7.18 Built-in Ethernet port tab
Figure 7.19 Open settings screen
(a)
(b)
(c)
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