Keyence LR-ZH500CN CMOS Laser Sensor NPN

Keyence LR-ZH500CN CMOS Laser Sensor for Precise Distance Detection

Product Introduction

The LR-ZH500CN belongs to the Keyence LR-Z series of self-contained CMOS laser photoelectric sensors. This rectangular model uses distance and contrast detection for reliable target sensing. Moreover, it delivers stable performance across a detecting range of 35 to 500 mm. The sensor suits automated assembly, packaging, and material handling lines.

A red laser light source with a 660 nm wavelength powers the detection system. Specifically, the spot diameter measures approximately ø3 mm. This small spot supports precise positioning on small parts. In addition, the laser complies with Class 2 standards under IEC60825-1 and FDA CDRH Part1040.10.

The LR-ZH500CN ships with an NPN open collector output. Users can select Light-ON or Dark-ON operation to match their control logic. Meanwhile, the M8 4-pin connector simplifies wiring and replacement. The unit also supports IO-Link v1.1 and COM2 at 38.4 kbps on CB/C3P connector-type models.

Technical Specifications

The detecting distance spans 35 to 500 mm for versatile mounting. Standard detectable deviation varies by range. For instance, it measures 9 mm from 35 to 180 mm. Furthermore, it reaches 25 mm from 180 to 300 mm, 40 mm from 300 to 400 mm, and 50 mm from 400 to 500 mm. The display resolution ranges from 1 to 5, corresponding to 1 to 5 mm.

Response time offers three selectable settings: 1.5 ms, 10 ms, and 50 ms. Besides, a built-in timer provides OFF, ON-delay, OFF-delay, and one-shot modes. The supply voltage accepts 10 to 30 VDC with 10% ripple (P-P), using Class 2 or LPS sources. Power consumption stays at 450 mW or less, drawing 18 mA or less at 24 V and 34 mA or less at 12 V.

The output uses an NPN open collector design. Its applied voltage reaches 30 VDC or less, with a control current of 100 mA or less. Residual voltage remains 1.2 V or less at 10 mA or less. Therefore, the sensor integrates smoothly with common PLC input cards.

Mechanical and Environmental Parameters

The housing measures a rectangular form for tight spaces. Although exact dimensions are not available, the connector type weighs approximately 55 g. The M8 4-pin connection keeps cable management clean. Additionally, the protection rating includes IP68 (IEC60529), IP69K (DIN40050-9), and NEMA 4X / 6P / 13.

Operating temperature ranges from -10 to +50 °C without freezing. Storage temperature spans -25 to +75 °C, also without freezing. Relative humidity stays between 35 and 85 % RH with no condensation. Consequently, the sensor performs well in washdown and outdoor enclosures.

Installation Guide

First, mount the LR-ZH500CN on a stable bracket to avoid vibration errors. Next, align the laser spot with the target at the desired distance. Then, connect the M8 4-pin cable to the sensor and the controller. After that, set the response time and timer mode through the display.

Users should verify the Light-ON or Dark-ON setting before commissioning. Also, keep the lens clean to maintain detection accuracy. For IO-Link models, configure COM2 parameters through the master. Finally, test the output signal with a multimeter or PLC monitor.

Packaging List

• 1 x Keyence LR-ZH500CN CMOS laser sensor

• 1 x M8 4-pin connector cable (as ordered)

• 1 x Mounting bracket

• 1 x Quick reference guide

Shipping
Fedex, UPS, DHL

FAQ

1. What is the detecting range of the LR-ZH500CN?
   The sensor covers 35 to 500 mm with range-dependent deviation values.

2. Which output type does this sensor provide?
   It offers an NPN open collector output with Light-ON and Dark-ON selection.

3. What connector does the LR-ZH500CN use?
   It uses an M8 4-pin connector for power and signal wiring.

4. Does this model support IO-Link communication?
   Yes, IO-Link v1.1 and COM2 at 38.4 kbps work on CB/C3P connector-type models.

5. What is the response time of the LR-ZH500CN?
   Users can select 1.5 ms, 10 ms, or 50 ms based on application needs.