Interference Prevention Function (Common To St4-C11 / St4-C12Ex); Interference Prevention Function When Using One Controller; Interference Prevention Function When Using Two Or More Controllers - Panasonic ST4 Series Instruction Manual

3-4 Interference Prevention Function
(Common to ST4-C11 / ST4-C12EX)

3-4-1 Interference Prevention Function When Using One Controller

Up to six units of ST4-A□ can be connected per controller, and mutual interfer-
ence between ST4-A□s can be prevented by the automatic interference pre-
vention function incorporated into the controller.
3-4-2 Interference Prevention Function When Using Two or
More Controllers
Mutual interference can be prevented up to three units of controllers.
The interference prevention system can be constructed by connecting IL+ termi-
nal of the first controller and IU+ terminal of the second controller, and connect-
ing IL- terminal of the first controller and IU- terminal of the second controller.
Connect the second and third controllers same as the above method.
Even if ST4-C11 and ST4-C12EX are mixed, the interference prevention sys-
tem can be constructed.
Emitter of Receiver of
ST4-A□
ST4-A□
IL+
IL-
First ST4-C11 or
ST4-C12EX
Note: Length of the cable that connects to the interference prevention terminal should be 1m or less.
© Panasonic Industrial Devices SUNX Co., Ltd. 2016
Emitter of ST4-A□
Emitter of
ST4-A□
(Note)
IU+
IU-
Second ST4-C11 or
ST4-C12EX
Receiver of ST4-A□
ST4-C11 or
ST4-C12EX
Receiver of Emitter of
ST4-A□
ST4-A□
(Note)
IL+
IL-
Functions
Receiver of
ST4-A□
IU+
IU-
Third ST4-C11 or
ST4-C12EX
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