E39-R1 datasheet(38/64 Pages) OMRON

38 / 64 page

E3X

Self-diagnostic Function

With this function, the E3X checks changes in environmental condi-

tions (especially a change in the ambient temperature) and

self-diagnoses the resistance against the changes. The result is

shown by the indicators or an output signal.

Stable Operation Indicator

(Green Indicator)

Light Reception Indicator

(Red Indicator)

Displays

• Stable Operation Indicator: Changes in environmental

conditions (changes in the ambient temperature, the operating

voltage, or the volume of dust) are checked and the resistance

against them are self-diagnosed. The result is shown via the

indicator.

• Light Reception Indicator: The amount of light received is

indicated by this indicator.

Output

• The resistance against changes in environmental conditions is

indicated by the indicator and the result is output.

*If the self-diagnostic output is ON when the sensing object is

moving at low speed, use the E3X with an ON-delay timer circuit.

1.2

0.8

OFF

Operating level x 1.2

Operating level

Operating level x 0.8

0.3 s min.

Control output

(L-ON)

Self-diagnostic

output*

Tip of the fiber connected

to the light source side in

the SET mode

Indicator

Green

Red

Flashing

light ON

Flashing

Green

Amount of

light

Remote Tuning/Remote Bank Function (E3X-T21)

Remote Tuning Function

Basically, the method of remote tuning is same as that of sensitivity adjustment. When the remote tuning function of the E3X is used, the E3X is

tuned with the remote tuning input signal instead of the tuning button which has to be pressed.

1. Set the mode selector to RUN.

2. The following signal conditions must be given as remote

tuning input conditions.

If no remote tuning is done, cut off the purple wire at its

source or connect the pink wire to the positive terminal

of the power supply.

Brown

Black; control output

Orange; self-diagnostis

output

Purple; remote

bank selection

Pink

Blue 0 V

E39-R1 데이터시트(PDF) 38 Page - Omron Electronics LLC

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