Omron E3NC-LA21 2M Photoelectric Sensor
Omron E3NC-LA21 2M is an amplifier unit for the E3NC compact laser sensing system with two outputs, one input, and NPN output architecture. It processes signals from a compatible E3NC laser sensor head and sends the resulting switching information to machine-control circuitry. The amplifier operates from 10 to 30 VDC and includes a 2 m pre-wired cable. Smart Tuning provides several adjustment methods, including 2-point, full-auto, position, maximum-sensitivity, power, and percentage tuning. Timer settings are also available for different switching sequences. Within the E3NC Series, the E3NC-LA21 2M provides the pre-wired NPN amplifier configuration. Related laser sensor amplifier units can be explored across Omron Sensing Products.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3NC-LA21 2M |
Omron E3NC-LA21 2M Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Separate Amplifier Classification | Amplifier Unit |
| Input/Output | 2 outputs + 1 input |
| Power Supply Voltage | 10 to 30 VDC |
| Output Configuration | NPN |
| Connection Method | Pre-wired 2 M Cable |
| Control Output | Load power supply voltage: 30 VDC max., open-collector output Load current: Groups of 1 to 3 Amplifier Units: 100 mA max., Groups of 4 to 30, Amplifier Units: 20 mA max. |
| Response Time | Operate or reset: 1 ms |
| Sensitivity Adjustment | Smart Tuning (2-point tuning, full auto tuning, position tuning, maximum sensitivity tuning, power tuning, or percentage tuning (−99% to +99%)), or manual adjustment. |
| Timer Function | Select from timer disabled, OFF-delay, ON-delay, one-shot, or ON-delay + OFF-delay timer: 1 to 9,999 ms |
| Indicators | 7-segment displays (Sub digital display: green, Main digital display: white) Display direction: Switchable between normal and reversed. OUT indicator (orange), L/D indicator (orange), ST indicator (blue), DPC indicator (green), and OUT selection indicator (orange, only on models with 2 outputs) |
| Ambient Temperature Range | Operating: −25 to 40°C Storage: −30 to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating and storage: 35% to 85% (with no condensation) |
| Insulation Resistance | 20 MΩ (at 500 VDC) |
| Dielectric Strength | 1,000 VAC at 50/60 Hz for 1 min |
| Vibration Resistance | 10 to 55 Hz with a 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions |
| Shock Resistance | 500 m/s2 for 3 times each in X, Y, and Z directions |
| Protection Circuits | Power supply reverse polarity protection, output short-circuit protection, and output reverse polarity protection |
| Material | Polycarbonate (PC), Vinyl chloride (PVC) |
| Weight | Approx. 115 g/approx. 75 g |
The Omron E3NC-LA21 2M Photoelectric Sensor is an amplifier unit for the E3NC compact laser sensing system with two outputs, one input, and NPN output architecture. It operates from 10 to 30 VDC and includes a 2 m pre-wired cable for electrical connection. At a 24 VDC supply, current consumption is specified at 65 mA maximum in normal mode, 55 mA maximum with Eco ON, and 60 mA maximum with Eco LO. Open-collector load current reaches 100 mA for groups of one to three amplifier units and 20 mA for groups of four to thirty. Operate or reset time is 1 ms. Smart Tuning includes 2-point, full-auto, position, maximum-sensitivity, power, percentage tuning, and manual adjustment.
For an Omron laser sensor amplifier requiring NPN output, two outputs, one input, and pre-wired connection, the relevant model is the E3NC-LA21. Timer settings include disabled, OFF-delay, ON-delay, one-shot, and combined ON-delay plus OFF-delay from 1 to 9,999 ms. The white main display, green sub display, and status indicators provide setup information. Operating temperature extends from -25 to 40°C, with storage from -30 to 70°C. Power-supply reverse polarity, output short-circuit, and output reverse-polarity protection are listed. This specification also suits searches for an Omron NPN amplifier and Omron Smart Tuning sensor amplifier. For a related PNP version with two outputs and one input, see the E3NC-LA51 2M. The amplifier serves as the signal-processing interface for compatible E3NC laser sensor heads.
