Mitsubishi QCPU (Q Mode) User Manual

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MELSEC-Q
10 DEVICES
10.2.1 Inputs (X)
(1) Definition
(a) Inputs transmit commands or data to the High Performance model QCPU
from an external device such as push-button switches, selector switches,
limit switches, digital switches.
1 2 3
Push-button switch
Selector switch
Digital switch
Input (X)
Sequence
operation
(b) If the input point is the Xn virtual relay inside the High Performance model
QCPU, the program uses the Xn's N/O contact or N/C contact.
LS2
PB1
X0
X1
XF
PB16
XF
X1
X0
Virtual relay
Programmable
controller
Input ladder (external device) Program
Figure 10.1 Inputs(X)
(c) There are no restrictions on the number of Xn N/O contacts and N/C
contacts used in a program, provided the program capacity is not
exceeded.
No restrictions on
the quantity used.
X0
Y21
X0
X0
Y20
Y21
Y23
X1
X2
X2
Figure 10.2 Input(X) Used in Program

Mitsubishi QCPU (Q Mode) Specifications

General

Brand	Mitsubishi
Model	QCPU (Q Mode)
Category	Controller
Language	English