Outputs (Y) - Mitsubishi Electric MELSEC-Q Series User Manual

10 DEVICES

10.2.2 Outputs (Y)

Programmable
controller
X0
Y20
X1
Y20
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(1) Definition
(a) Outputs are program control results which are output to external
destinations (solenoid, electromagnetic switch, signal lamp, digital display,
etc.).
(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.
No restrictions regarding the quantity used.
Y20 X2
X3
Program
Figure 10.4 Output(Y) Operation
(2) Using outputs as internal relays (M)
"Y" inputs corresponding to vacant slots and slots where input modules are
installed can serve as internal relays (M).
OUT Yn
Output (Y)
Sequence
operation
Y20
Y21
Y22
Out ladder (external device)
Equivalent to internal relay
MELSEC-Q
Signal lamp
Digital display
Contact
Load
M51
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