Keyence IV4-L4M Infrared Ring Light for IV4 Cameras

Product Introduction

The Keyence IV4-L4M is an external ring illumination unit for the IV4 Series. This infrared LED light pairs directly with the IV4-400MA monochrome smart camera. Since the sensor supplies power, no separate wiring is required. The IV4-L4M improves image contrast on dark, matte, or low-reflectivity targets. Therefore, it helps the camera achieve stable detection in tough lighting conditions.

Technical Specifications

Illumination Performance

The IV4-L4M uses an infrared LED array arranged in a ring shape. This layout delivers even light from all directions around the lens. Consequently, shadows and hot spots reduce on uneven surfaces. Infrared light stays invisible to the human eye, which suits discreet inspection setups. It also works well with monochrome sensors that capture near-infrared wavelengths.

Compatibility

This light unit works with the IV4-400MA monochrome smart camera. Keyence designed the mounting interface for direct attachment to that model. No adapter or extra bracket is needed for the standard fit. Because power comes from the connected sensor, the IV4-L4M has no independent port or protocol. All communication settings remain on the camera side.

Electrical Characteristics

Power for the IV4-L4M flows from the attached sensor. Keyence does not publish a separate consumption figure for this unit. The light activates through the camera illumination control. Users can switch lighting behavior through the sensor settings. This design keeps wiring simple and reduces installation steps.

Mechanical and Environmental Parameters

Physical Construction

The main case uses aluminum die-casting for strength and heat dissipation. The front cover is acrylic, which protects the LED array. This combination resists vibration and impact on production lines. The IV4-L4M weighs approximately 195 grams. Its compact ring shape adds little bulk to the camera assembly.

Operating Conditions

Moreover, the IV4-L4M operates from 0 to 50 degrees Celsius. Relative humidity should stay at 85 percent or lower without condensation. The unit reaches IP67 protection when attached to a compatible sensor. However, that rating does not apply when polarizing filters OP-88644, OP-88645, OP-88646, or OP-88647 are installed. The light also meets IEC61340-5-1 ESD safety requirements.

Durability Notes

The die-cast housing handles the vibration common on packaging and assembly lines. Acrylic front protection resists scratches during normal use. ESD compliance helps protect sensitive electronics nearby. These traits make the IV4-L4M suitable for continuous factory operation.

Installation Guide

Mounting Steps

First, align the IV4-L4M ring with the front of the IV4-400MA camera. Then attach the unit using the built-in mounting interface. Next, confirm the ring sits flush against the camera body. A flush fit preserves the IP67 seal and keeps illumination even. Finally, tighten the connection to prevent movement during operation.

Power and Setup

No separate power cable is needed for the IV4-L4M. The camera supplies electricity once the unit connects. After mounting, open the camera settings and enable the external light option. Then adjust brightness to match your inspection target. Run a test image to confirm uniform coverage across the field of view.

Alignment Tips

Position the camera so the ring light points straight at the target surface. Tilted angles can create uneven brightness across the image. For dark or matte parts, infrared light often reveals edges that visible light misses. Always verify focus after adding the light unit. These steps keep inspection results consistent over long production runs.

Packaging List

1. Keyence IV4-L4M Ring Light Unit

2. Mounting screws

3. Quick reference guide

FAQ

Question 1: Which camera models work with the IV4-L4M?

The IV4-L4M is designed for the IV4-400MA monochrome smart camera. Keyence lists this pairing in the official compatibility data. Other IV4 models may need a different light unit.

Question 2: Does the IV4-L4M require its own power supply?

No. The IV4-L4M receives power from the connected sensor. This removes the need for a separate power cable or adapter. Installation stays simple and clean.

Question 3: What is the protection rating of the IV4-L4M?

The unit carries an IP67 rating when attached to a compatible sensor. However, that rating does not apply when certain polarizing filters are installed. Always check the filter combination before use.

Question 4: What kind of LED does the IV4-L4M use?

The IV4-L4M uses an infrared LED ring array. This design provides even illumination from all sides. It suits monochrome inspection and low-contrast surface applications.

Question 5: How much does the IV4-L4M weigh?

The IV4-L4M weighs approximately 195 grams. Its aluminum die-cast body keeps the unit light yet durable. The ring shape adds minimal load to the camera mount.