Download Basic Model QCPU(Q Mode)User`s Manual(Function Explanation

10 DEVICES
MELSEC-Q
10.2.2 Outputs (Y)
(1) Definition
(a)
Outputs are program control results which are output to external
destinations (solenoid, electromagnetic switch, signal lamp, digital display,
etc.).
Signal lamp
Output (Y)
Digital display
Sequence
operation
Contact
(b)
Outputs occur at one N/O contact or its equivalent.
(c)
There are no restrictions regarding the number of output Yn N/O contacts
and N/C contacts used in a program.
Programmable No restrictions regarding the quantity used.
controller
Load
X0
M51
Y20
Y20
X1
Y20
Y20
X3
X2
Y21
Y22
Program
Out ladder (external device)
Figure 10.4 Output(Y) Operation
(2) Using outputs as internal relays (M)
Power supply module
CPU module
Input module
Input module
Output module
Output module
Output module
"Y" inputs corresponding to vacant slots and slots where input modules are
installed can serve as internal relays (M).
OUT Yn
Equivalent to internal relay
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10 - 8