Chapter 8 Functions; Basic Functions; Communication With Remote I/O Stations - Mitsubishi Electric L26CPU-BT User Manual

CHAPTER 8
This chapter explains the functions of the L series master/local module, dividing them into three sections: "Basic
Functions", "Functions for Improving System Reliability" and "Handy Functions".
8.1

Basic Functions

This section explains the basic functions of the L series master/local module.
8.1.1

Communication with remote I/O stations

The following is an overview of the communication between the master station and a remote I/O station using the
remote I/O net mode.
In the communication with the remote I/O station, the on/off data of the switches and indicator lamps are
communicated through remote input RX and remote output RY.
Programmable
controller CPU
Network
parameters
Automatic
refresh
parameters
110
FUNCTIONS
1)
3)
X Automatic refresh
4)
Y
Automatic refresh
Master station
Network
parameters
Buffer memory
2)
Remote input
Link scan
RX
5)
Remote output
Link scan
RY
Remote I/O station
Input
Output