Output (Y) - Mitsubishi MELSEC QS Series User Manual

9
DEVICE EXPLANATION

9.2.2 Output (Y)

(1) Definition
Outputs give out the program control results to the external devices such as solenoid,
electromagnetic switch, signal lamp and digital display.
Outputs give out the result equivalent to one N/O contact.
(2) Number of used N/O and N/C contacts
There are no restrictions on the number of output Yn N/O contacts and N/C contacts
used in a program, provided the program capacity is not exceeded.
Programmable
Programmabe
logic controller
controller
X100
Y100
X102
Y100
(3) Using outputs as internal relays (M)
An output (Y) corresponding to a region with no module mounted can be used in place
of an internal relay (M).
Sequence
operation
Diagram 9.6 Output from CPU module to external devices
No restrictions on the quantity used.
Y100 X104
X106
Program
Diagram 9.7 Use of output (Y) in program
Diagram 9.8 Substitute for internal relay
Signal lamp
Digital display
Output (Y)
Contact
Y100
Y101
Y102
Out ladder (external device)
Empty slots
OUT Yn
Eguivalent to internal relay
9.2 Internal User Devices
9.2.2 Output (Y)
9
10
11
Load
M51
9
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