Lanbao optická závora PR12-TM10D-E2 + PR12-TM10DPO-E2 (set) kovová

PR12-TM10DPO-E2 – Through-beam light barrier receiver

PR12-TM10DPO-E2 from LANBAO is a through-beam light barrier receiver in a Ø M12 design intended for continuous industrial operation. The emitter and receiver face each other; the sensor switches when an object interrupts the beam between them. Of all optical principles, it offers the longest range and highest reliability regardless of the colour and surface of the object.

Key features

• Sensing distance 10 m.
• PNP output, NO contact – normally open – connects to a PLC digital input or a relay coil.
• Supply 10–30 V DC.
• Connection: connector M12/4 pins.
• Operating temperature up to 15 / +55 °C.

Technical specifications PR12-TM10DPO-E2

Wiring of PR12-TM10DPO-E2 by wire colours

The sensor uses pins 1, 3 and 4 of the M12, connector, so a three-pin cable M12 is sufficient; a four-pin cable can also be used.

The colour coding complies with IEC 60947-5-2. Always compare the actual pin and wire assignment with the diagram in the sensor datasheet (Downloads tab).

Connector pin assignment according to the manufacturer's catalogue.

Connection cable for PR12-TM10DPO-E2

The sensor has a connector M12, 4 pins, male (external thread with pins), so it requires a cable with a femaleconnector. The cable is not included.

• QE12-N4G5-N – M12, 4 pins, female, angled 90°, 5 m, PVC, with LED indication
• QE12-N3G5-P – M12, 3 pins, female, angled 90°, 5 m, PVC, with LED indication PNP
• QE12-N3G5-N – M12, 3 pins, female, angled 90°, 5 m, PVC, with LED indication NPN

The sensor has one output, so a three-pin cable is sufficient. A four-pin cable can also be used – the fourth wire remains unconnected.

PUR version: we do not yet stock a M12 female cable with a PUR jacket (for oils, coolant emulsions, abrasion, low temperatures and drag-chain installation). Contact us and we will source it. A cable with a PVC jacket is intended for normal dry machine environments.

The LED indication of the switched output in the connector is designed for the PNP NO version. With other output combinations the cable works electrically, but the indicator may not show switching – in that case choose a cable without indication.

The same sensor with a different connection

• PR12-TM10DPO – the same sensor with a fixed cable 2 m

Typical applications

• detection over long distances across a conveyor or hall
• monitoring the passage of pallets, cartons and crates
• counting objects regardless of their colour and gloss
• detection of dark, matt and transparent objects
• monitoring entry into the machine area and vehicle entrances

How to choose and what to watch out for

• PNP output (switches plus) matches the standard PLC digital inputs used in Europe. For NPN-type inputs, choose the corresponding variant with the same sensing distance.
• NO contact (normally open): the output is activated when an object is detected. If you need the opposite logic, an NC variant is available.
• Connector connection M12/4 pins: a separate connection cable with a matching connector is required for operation – you will find it in the Cables with connector category.
• Operating temperature up to 15 / +55 °C applies to continuous operation. Short-term exceedance shortens service life and may permanently degrade the sensing distance.

PNP or NPN – and what happens if you mix them up

PNP switches the positive pole, so it sends plus to the PLC input. It is the European standard and matches standard digital inputs. NPN switches minus and is used mainly in Asian equipment. If mixed up, the sensor either does not switch at all or reports a permanently active state — it usually will not be damaged, but it will not work.

This model has a PNPoutput. If you need NPN, a variant with the same sensing distance is available — contact us and we will recommend the code.

NO or NC – and why it is not just a matter of convenience

NO (normally open) is an output that is active on detection. NC (normally closed) is active at rest and opens on detection. The difference is a safety one: with NC, a broken wire causes the same reaction as a detection, so the fault shows up immediately. With NO, a broken cable remains unnoticed until someone tries to switch.

This model has the contact NO – normally open.

Similar models in the same series

• PR12-TM10DPC
• PR12-TM10DPC-E2
• PR12-TM10DPO

Frequently asked questions

Does PR12-TM10DPO-E2 have a PNP or NPN output?

PR12-TM10DPO-E2 has a PNP output with an NO contact – normally open. It therefore matches the standard PLC digital inputs used in Europe.

What is the sensing distance of PR12-TM10DPO-E2?

The sensing distance (Sn) is 10 m.

How is PR12-TM10DPO-E2 connected?

PR12-TM10DPO-E2 is supplied with the connection: connector M12/4 pins. A connection cable with a matching connector must be ordered separately.

How many pins should the cable for PR12-TM10DPO-E2 have?

The sensor uses pins 1, 3 and 4, so a three-pin cable is sufficient; a four-pin cable can also be used. The signal is on the black wire, plus on the brown and minus on the blue.

Which cable do I need for PR12-TM10DPO-E2?

Cable with a female M12 connector. We stock QE12-N4G5-N (4 pins, 5 m, PVC); for sensors with one output, three-pin QE12-N3G5-P or QE12-N3G5-N. can also be used. The cable is not included.

A detailed datasheet with a dimension drawing and wiring diagram can be found in the tab Downloads.