Installation; External Connections - Omron E4A-3K Manual

Ultrasonic reflective sensor
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E4A-3K
Dimensions
Note:
All units are in millimeters unless otherwise indicated.
E4A-3K

Installation

External Connections

Example of Connections of the E4A-3K
in Asynchronous Operation
100/110 VAC
200/220 VAC
Contact output
Note: 1. If the synchronous operation of the
E4A-3K is not required, set the
reference pulse selector to ON.
Keep terminals 7 and 8 open.
2. Use a cable with an external
diameter of 10 mm max. for wiring.
4
Mounting Dimensions
Two, 6.5 dia.
Rubber cap
Indicator
Example of Connections of the E4A-3K in Synchronous Operation
100/110 VAC
200/220 VAC
Contact output
Note: 1. If the synchronous operation of the E4A-3K is required, set the reference
pulse selector of only one Unit to ON. Then connect terminal 7 of all the Units
together and do the same for terminal 8.
2. A maximum of 50 Units can be connected in synchronous operation.
3. Do not wire the lines for synchronous operation use (i.e., wires connecting to
terminals 7 and 8) alongside power lines in the same conduit.
4. Use a shielded cable with an external diameter of 10 mm max. for wiring.
5. Make sure that all the Units in synchronous operation are turned on,
otherwise none of the Units will operate.
6.6 dia.
100/110 VAC
200/220 VAC
Contact output
E4A-3K
24 dia.

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E4a-3k dc12-24

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