Input (X); Output (Y) - Mitsubishi L02CPU User Manual

5.2.1

Input (X)

Inputs are the device used to obtain the on and off information from external devices to a CPU module.
(1) Concept of input
One input point is assumed to be a virtual relay Xn in the CPU module. Programs use the normally open or closed
contact of Xn.
Virtual relay
PB1
PB2
PB16
Input circuit (external device)
The input (X) can also be used for refresh target device (CPU module side) of remote input (RX) in CC-Link.
5.2.2

Output (Y)

The output (Y) is used to output control results in programs to external devices.
Push-button switch
Selector switch Input (X)
Digital switch
1 2 3
X0
X1
XF
CPU module
Output (Y)
CPU module
Programmable
controller
Program
Signal lamp
Digital display
Contactor
CHAPTER 5 DEVICES
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