OW0005 - Temperature Controller IFM - Free user manual and instructions

Product Type	Infrared Temperature Detector
Brand	IFM
Model	OW0005 (OWS/OWL series)
Category	Temperature Controller
Switching Temperature	350 °C or 750 °C depending on variant
Opening Angle	2°, 1.2°, 1° or 0.6° depending on variant
Max. Detection Distance	Up to 3 m (beyond that, radiation losses)
Power Supply	DC PNP/NPN or AC/DC (voltage not specified, typically 12-24 V)
Output	Switching (not short-circuit protected)
Connection	Wires BN (brown), BU (blue), BK (black), GN/YE (green/yellow)
Protection	Not specified (estimated IP65)
Included Accessories	Mounting base (ref. E20426) and protective sleeve (ref. E20427) optional
Main Functions	Contactless detection of thermal radiation, temperature threshold switching
Typical Use	Detection of hot objects, temperature monitoring in furnaces
Environmental Conditions	Dust, vapor, parasitic radiation (use protective sleeve)
Cleaning	Compressed air into the protective sleeve to clean the optics
Safety	Disconnect power before connection, use a miniature fuse, avoid short circuits
Maintenance	Regularly check proper operation, avoid background radiation
Repairability	Not repairable, replace defective device
Estimated Weight	Approximately 100 g
Estimated Dimensions	Approximately 50 x 50 x 30 mm

Frequently Asked Questions - OW0005 IFM

How to install the OW0005 infrared detector?

Point the detector at the object to be detected and fix it using the mounting base (ref. E20426). Make sure the object temperature is at least equal to the detector's switching temperature. The detection area must be fully covered.

Which switching temperature to choose?

The switching temperature depends on the model: 350 °C or 750 °C. Choose the one that corresponds to the minimum temperature of the object to be detected. For colder objects, use a model with a lower threshold.

How to electrically connect the device?

Disconnect the installation from power. Connect the wires according to the diagram: PNP (brown to L+, blue to L-, black to output) or NPN (brown to L+, blue to L-, black to output). For AC/DC, connect brown to L1/L+, blue to N/L-. Use a miniature fuse if specified.

What is the maximum detection distance?

The maximum distance is approximately 3 meters for reliable detection. Beyond that, radiation losses in the air become significant and the object temperature must be clearly above the switching temperature.

How to clean the detector optics?

If conditions are dusty or humid, use the protective sleeve (ref. E20427). Introduce compressed air into the sleeve to clean the lens without contact.

What to do in case of parasitic background radiation?

If surrounding hot sources (e.g., furnaces) disturb detection, use a detector with a higher switching temperature to ignore parasitic radiation.

Is it possible to adjust the switching temperature?

No, the switching temperature is fixed depending on the model. You must choose the model suitable for your application (350 °C or 750 °C).

Is the device resistant to dust and vapor?

The detector can operate in dusty or humid environments, but it is recommended to use the protective sleeve with compressed air to protect the optics and ensure reliable operation.

What accessories are available for this detector?

The main accessories are the mounting base (ref. E20426) for fixing, and the protective sleeve (ref. E20427) for protection against contaminants.

How to check the proper functioning of the detector?

After installation, test the detector by placing an object at the appropriate temperature in its detection area. Check that the output switches correctly. After a short circuit, check that the device is not damaged.

USER MANUAL OW0005 IFM

Pure technical line drawing of a mechanical component without any text, numbers, or symbols

1 L+ 2 3 L-

AC/DC*

graph TD
    A["Component"] -->|1| B["L1"]
    A -->|3| C["N"]
    A -->|2| D["L-"]
    B --> E["Ground Symbol"]
    C --> F["Ground Symbol"]
    D --> G["Ground Symbol"]

Function and features

Infrared heat sensors absorb the heat radiation of objects and convert it into a switching signal.

They are used for object detection or temperature monitoring.

Switching temperature 350^ C/ 750^ C (depending on the type of unit).

Installation

Align the sensor towards the object to be detected and mount it. A special mounting base is available as accessory (order no. E20426) for simple mounting.

The object must at least have the switching temperature of the sensor and must cover the visible area which depends on the chosen angle of aperture and sensing distance.

α l d

Calculation of diameter of visible area/sensing distance/angle of aperture

$$ d = 2 \times I \times \tan \frac {\alpha}{2} + \varnothing $$

$$ I = 0. 5 \times \frac {d - \varnothing}{\tan \frac {\alpha}{2}} $$

$$ \alpha = 2 \times \tan^ {- 1} \left(\frac {d - \emptyset}{2 \times I}\right) $$

$$ \alpha = \text { angle of aperture } $$

$$ l = \text { sensing distance } $$

$$ d = \text { diameter of visible area } $$

$$ \emptyset = \text { lens diameter } $$

Sensing range diagram:

In the event of ranges of >5m radiation losses must be taken into account. The temperature of the object should therefore be much higher than the switching temperature of the sensor.

Electrical connection

Disconnect power, then connect the unit according to the wiring diagram.

DC PNP

graph TD
    A["Input Line"] --> B["Node 1"]
    A --> C["Node 2"]
    A --> D["Node 3"]
    B --> E["L+"]
    C --> F["L-"]
    D --> G["Load Resistor"]

DC NPN

graph TD
    A["Symbol"] --> B["1"]
    A --> C["2"]
    A --> D["3"]
    B --> E["L+"]
    C --> F["L-"]
    D --> G["L-"]

AC/DC*

1 L1 L+ 3 N L- 2 ⊥

Note: insert a miniature fuse according to the technical data sheet, if specified.

Recommendation: check the unit for reliable function after a short circuit.

Core colours of ifm sockets: BN = brown, BU = blue, BK = black,

GN/YE = green/yellow.

*Output not short-circuit protected.

Short circuit can lead to immediate destruction of the unit.

Operation

Check the safe functioning of the sensor.

If in the application wrong switching occurs due to background radiation (e.g. ovens), use units with higher switching temperatures.

For applications in difficult environments (e.g. dust, vapour) or in the event of heat reflections of the environment use infrared heat sensors with a protective tube (order no. E20427).

If necessary, keep the optics clean by means of passing compressed air into the connection piece of the protective tube.