Telco SGP30 User Manual

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SGP30 - USER MANUAL Space Guard Proximity Series

Photoelectric light curtain

Website: www.telcosensors.com

Warning

1.1 Part Number: 0666220765

E-Mail: [email protected]

This product is not a safety system and must not be used as such. It is not designed for personnel safety app lications, and must not be used as a stand alone personnel safety system.

April 2015 edition

Made in Denmark

Telco A/S reserves the right to make c hanges without prior notice

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Product Data

Electrical Data

Supply voltage

12 —

30 V dc

Max. voltage ripple

15 % (within supply range)

Max. current consumption

120 mA (RMS)

Max. output load

200 mA

Output Reverse polarity protected

Yes

Output short circuit protected

Yes

Output inductive load protection

Yes

Environmental Data

Light immunity @5º incidence

> 100.000 lux

Temperature, operation

-30 to + 60 ºC

Sealing class

IP 67

Marking

Available Models

Model

Beam spacing Sensing Range

SGP 30-xxx-0xx-A1-M-xx-xx 46 mm 1,3 m

Connection

Wiring Diagrams

SGP30 5 pin M12 male connector

Wiring diagram

Installation & Adjustments

Adjust ment

1 Mount the SGP30 unit.

Wire the sensor according to the wiring diagram. Make sure the output load does not exceed 200 mA.

3 Check for correct wiring before turning power on.

4 When the power on indicator (green LED) is on the system is operating.

Use the control wire to blank any IR channels which unintended has proximity effect on the output or decrease the sensing range.

6 Adjust the sensing range with potentiometer mounted in the top plastic plug of the rail.

If necessary use the control wire again to blank any IR channels which unintended has proximity effect on the output.

After power on make sure that the output indicator (yellow LED) change state when an object is placed in front of the rails and within the sensing range.

9 The light curtain is only intended for static applications.

Output Logic

Detection Output mode Output status

Output indicator

(yellow LED)

Object present

Dark operated

(N.C.)

Open Off

Light operated

(N.O.)

Closed On

Object absent

Dark operated

(N.C.)

Closed On

Light operated

(N.O.)

Open Off

djusting sensing range

With the potentiometer mounted in the top plastic plug of the rail the sensing range can be adjusted from 0 m to 1,3 m. The sensing range is at its maximum when the potentiometer is fully clock wise. Notice that when increasing the sensing range it can be necessary to blank IR beams because nearby objects unintentionally can be detected.

Blanking function mode, Ctrl input

This function is used to blank out beams that otherwise constantly would detect close lying surfaces or objects, for instance construction elements as metallic frames, support pillars or beams. When an IR beam is blanked it cannot change the state of the output.

The blanking mode is activated by powering up the SGP30 with pin 2 (white Ctrl wire) connected to ground (-). In this mode every IR beam that detects something, even temporarily, will be blanked and stored in non-volatile memory. Pin 2 should at least be connected to ground as long as the output indicates that one or more IR beams detects objects and the red LED is not lit. If there are movement in close laying objects this can take some seconds.

When the blanking procedure is finish pin 2 must be removed from ground (-) before power to the SGP30 is removed, otherwise no IR beams will be blanked. During normal operation pin 2 must be left floating. The blanking is now permanent, also after power down, until new blanking has been made. The green LED will flash three times after power-up if any IR beams are blanked.

If blanking shall be deactivated there are two options:

1. Repeat blanking process, but without nearby objects or surfaces that can cause blanking.

2. Repeat blanking process, with the potentiometer turned to 0.

Indicators

Red LED Status indicator

Yellow LED Output indicator

Green LED Power on indicator

Troubleshooting

Probable Reason

Corrective Action

1. Symptom: Status indicator (Red LED) is constant on.

SGP30 is in blanking mode and blanking is completed.

Remove pin 2 from ground (-).

Internal failure. Return SGP30 unit to factory.

2. Symptom: Output indicator (Yellow LED) on is flashing.

Severe electrical interference. Separate supply cable from high voltage cables.

Severe ambient light. Shield, reposition or twist SGP30.

Cross talk from another light curtain or photo sensor

Shield or reposition SGP30 or other photo sensor.

Cross talk from a nearby HF strip light Shield, reposition or twist SGP30.

3. Symptom: With NO output red LED, yellow LED is constant on and output is closed.

One or more IR beams have proximity effect.

If necessary perform a blanking process or remove object(s) or lower amplification by turning potentiometer anti clock wise.

4. Symptom: With NC output red LED and yellow LED is constant off and output is open.

One or more IR beams have proximity effect.

If necessary perform a blanking process or remove object(s) or lower amplification by turning potentiometer anti clock wise.

5. Symptom: Red LED is off and output is stocked.

SGP30 is out of sensing range. Adjust the sensing range with potentiometer.

Disposal

Disposal should be done using the most up-to-date recycling technology according to local rules and laws.

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1: Brown 2: White 3: Blue 4: Black 5: Black or Yellow/

reen

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