Lanbao PR18S-TM10 AC 2-Wire M18 Through-Beam Sensor
Lanbao PR18S-TM10-AC 2 Wires Series is a compact M18 cylindrical through-beam photoelectric sensor set for AC industrial automation systems. It uses separate emitter and receiver units to detect opaque objects that interrupt the optical path, giving stable beam detection without requiring a reflector.
This PR18S AC version is specified for 10m non-adjustable sensing distance, 20-250V AC supply, normally-open or normally-closed receiver logic depending on part number, and AC 2-wire wiring. Available variants include fixed 2m PVC cable models and E2 M12 connector models, with infrared 880nm LED light source, IP67 protection, and a PBT housing reference in the official specification table.
For related Lanbao photoelectric sensors, compare the Lanbao PR18S-TM10 DC Through-Beam Series, Lanbao PR18-TM10 AC 2-Wire Series, and Lanbao PR18S-TM20 DC Series. For a larger-body AC through-beam option, see the Lanbao PR30S-TM20 AC 2-Wire Series.
Technical Specifications
| Brand | Lanbao |
|---|---|
| Series | PR18S-TM10-AC 2 Wires Series |
| Sensor Type | Compact M18 cylindrical AC through-beam photoelectric sensor |
| Product Series Reference | Cylindrical AC 2-wire through-beam series |
| Detection Type | Through beam |
| Rated Sensing Distance | 10m non-adjustable reference |
| Standard Target | Opaque object greater than 15mm diameter reference |
| Light Source | Infrared LED, 880nm |
| Dimensions | M18 x 70mm and M18 x 84.5mm references, depending on variant structure |
| Output Logic | Normally open or normally closed, depending on selected receiver part number |
| Power Supply | 20-250V AC |
| Wiring Type | AC 2-wire receiver wiring reference |
| Target Type | Opaque object interrupting emitter-to-receiver beam path |
| Repeat Accuracy | <=5% reference |
| Load Current Reference | <=300mA receiver reference |
| Residual Voltage Reference | <=10V receiver reference |
| Consumption Current Reference | <=3mA |
| Response Time | <=50ms |
| Output Indicator | Emitter green LED and receiver yellow LED |
| Ambient Temperature | -15C to +55C |
| Ambient Humidity | 35-85%RH, non-condensing |
| Voltage Withstand | 2000V AC 50/60Hz for 60s reference |
| Insulation Resistance | >=50M at 500V DC reference |
| Vibration Resistance | 10-50Hz, 0.5mm reference |
| Protection Rating | IP67 |
| Housing Material | PBT reference in official specification table |
| Connection Options | 2m PVC cable or M12 connector, depending on selected variant |
| Available Official Model References | PR18S-TM10ATO, PR18S-TM10ATC, PR18S-TM10ATO-E2, and PR18S-TM10ATC-E2 receiver variants with matching emitter references |
| Available Store SKUs | Lanbao-PR18S-TM10ATO, Lanbao-PR18S-TM10ATC, Lanbao-PR18S-TM10ATO-E2, and Lanbao-PR18S-TM10ATC-E2 |
Integration Notes & Hardware Guidance
- Power selection: This is an AC 2-wire photoelectric sensor series, so confirm that the input module, relay circuit, or controller accepts 20-250V AC sensor wiring.
- Beam alignment: Through-beam sensing requires correct emitter-to-receiver alignment; verify mounting distance, optical axis, and bracket rigidity during installation.
- Logic selection: Choose the normally-open or normally-closed receiver version according to the required machine input logic.
- Load matching: Check the receiver load current and residual voltage requirements before connecting the sensor to a PLC input, relay, counter, or indicator circuit.
- Connection selection: Choose fixed cable versions for direct wiring or E2 M12 connector versions when detachable wiring and easier sensor replacement are preferred.
Packing List
| Item | Qty | Notes |
|---|---|---|
| Lanbao PR18S-TM10-AC through-beam photoelectric sensor set | 1 | Selected output logic and cable or E2 connector variant |
| Emitter and receiver bodies | 1 set | Through-beam sensing requires both sides of the optical path |
| Integrated cable or M12 connector body | 1 set | Connection type depends on selected variant |
| Product label and packaging | 1 | Packaging may vary by shipment batch |
| Documentation reference | 1 | Digital or printed documentation may vary by shipment batch |
FAQ
What detection mode does the PR18S-TM10-AC Series use?
It uses through-beam detection, with an emitter and receiver mounted opposite each other. Objects are detected when they interrupt the beam path.
What power supply does this AC version require?
The official supply voltage reference is 20-250V AC.
Is this an NPN or PNP sensor?
No. This listing is for the AC 2-wire version. If your system requires NPN or PNP output, use a DC PR18S-TM10 series instead.
How do I choose between cable and E2 versions?
Cable versions use a fixed 2m PVC cable, while E2 versions use an M12 connector for detachable wiring and easier sensor replacement.
Does this sensor require a reflector?
No. It is a through-beam series using an emitter and receiver pair rather than a reflector.

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