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5 ACCESS FUNCTION USING NETWORK MODULE
5.4 Access Function of Each Network Module
Direct access
This method is used for direct access to devices in a network module from a user program. The link device data in the network
module is transmitted cyclically to another station.
Message communication
A message communication can be performed via a MELSECNET/H network module controlled by a C Controller module.
■
Number of channels
For MELSECNET/H network module, up to eight channels can be used for message communication.
SB
SW
LW
LB
LX
LY
C Controller module
Link device
Direct access
User program
MELSECNET/H
network module
C Controller module on other
station (Receiving side)
C Controller module
(Sending side)
Channel 1
Channel 1
Channel 2
Channel 2
User program
User program
Channel 3
Channel 3
Channel 4
Channel 4
Channel 5
Channel 5
Channel 6
Channel 6
Channel 7
Channel 7
Channel 8
Channel 8
Network No.1
MELSECNET/H
network module
MELSECNET/H
network module
Summary of Contents for MELSEC iQ-R C R12CCPU-V
Page 1: ...MELSEC iQ R C Controller Module User s Manual Application R12CCPU V ...
Page 2: ......
Page 23: ...1 EXECUTING PROGRAMS 1 3 I O Access Timing 21 1 MEMO ...
Page 32: ...30 3 MEMORY CONFIGURATION OF C Controller Module 3 4 Files MEMO ...
Page 257: ...I 255 MEMO ...
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