The Allen-Bradley 1762-L40BWAR delivers a compact yet powerful programmable controller. This unit handles twenty standard 24VDC inputs plus four fast inputs. Sixteen relay outputs ensure flexible load switching. Engineers rely on this Rockwell Automation module for small-scale systems.
Product Procurement & Buyer Guide
Industrial buyers need precise specifications. The 1762-L40BWAR operates on 120 to 240 VAC. Its power supply draws 82 VA and dissipates 22 W. Inrush current reaches 25 A for 8 ms at 120 VAC. This controller supports sink or source input wiring.
Communication ports include one 8-pin mini-DIN connector. The left side programming port enables simultaneous online edits. Supported protocols are DF1, DH-485, ASCII, and MODBUS. This dual-port design prevents cable swaps during commissioning.
The relay outputs handle up to 10 A load current. Mechanical cycles exceed 20 million operations. This longevity reduces maintenance costs. Ambient operating temperature ranges from 0 to 55 °C. Storage tolerances extend from -40 to 85 °C.
Agency certifications include UL 508, CSA C22.2 No. 142, and Class I Div. 2. The CE, RCM, and EAC marks apply globally. Note that the sensor supply common connects internally to chassis ground. Never use sensor power for output circuits.
This model integrates easily with existing MicroLogix 1200 systems. Its dimensions are 90 mm height, 160 mm width, and 87 mm depth. Shipping weight is only 2.4 pounds. DIN rail mounting simplifies installation in control panels.
Expert Technical Evaluation & Performance Review
The 1762-L40BWAR provides 24 digital inputs with sink or source flexibility. Four fast inputs at channels 0–3 capture high-speed events. Input circuit type uses 24 VDC logic. This setup suits sensor arrays and limit switches.
The relay output circuit uses electromechanical contacts. Each output can switch 24–125 VDC or 120–240 VAC. Minimum load current is 10 A. This robust rating drives solenoids, contactors, and small motors.
Power supply output provides 600 mA at 5 VDC and 500 mA at 24 VDC. Sensor power capacity is 400 mA at 24 VDC with 400 µF capacitance. Heat dissipation of 22 W requires adequate ventilation. Inrush protection handles 25 A for 8 ms at 120 VAC.
The controller uses an 8-pin mini-DIN serial port for SCADA and HMI links. The programming port allows on‑line edits without disconnecting the primary cable. This dual‑channel architecture boosts uptime during program changes.
Environmental ratings confirm reliable operation up to 55 °C. Storage conditions allow -40 to 85 °C. These tolerances meet most industrial floor requirements. The unit’s light weight and compact size reduce panel space.
Performance metrics show relay mechanical endurance of 20 million cycles. Electrical life varies with load but remains competitive. The fast input response captures encoder pulses or proximity signals. This makes the 1762-L40BWAR suitable for packaging and material handling.
Overall, this controller delivers proven reliability for micro applications. Its extensive protocol support ensures easy communication integration. The dual‑port design enhances maintenance workflows. Buyers gain a cost‑effective solution backed by Rockwell Automation quality.
Logistics & Standard Packaging Details
- One Allen-Bradley 1762-L40BWAR MicroLogix 1200 PLC unit
- Product documentation and installation guide
- No expansion I/O modules or cables included
- Express shipping available via FedEx, UPS, and DHL
- International freight and customs clearance arranged upon request
