Product Overview
The Allen-Bradley 1762-L40BXBR is a MicroLogix 1200 Programmable Logic Controller. It offers 40 I/O channels in a compact housing. This controller suits small to medium automation tasks. It combines 24VDC inputs, relay outputs, and FET outputs in one unit. A built-in 8-pin mini-DIN port supports RS232 DF1 protocol. The design targets panel builders and maintenance teams who need reliable control with flexible I/O.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Allen-Bradley / Rockwell Automation |
| Model | 1762-L40BXBR |
| Series | MicroLogix 1200 |
| Module Type | Programmable Logic Controller (PLC) |
| Power Supply | 24VDC external |
| Inputs | 20 x 24VDC sink/source; 4 x fast 24VDC |
| Outputs | 8 x relay; 7 x 24VDC FET; 1 x high-speed 24VDC FET |
| Relay Contact Rating | 24–125VDC; 120–240VAC |
| Load Current | 10A minimum |
| Communication Ports | 1 x 8-pin mini-DIN serial; 1 x programming port |
| Protocols | DF1, DH-485, ASCII, MODBUS |
| Dimensions | 90 x 160 x 87 mm (H x W x D) |
| Weight | 1.1 kg (2.4 lb) |
| Operating Temperature | 0 to 55°C (32 to 131°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Humidity | 5% to 95% non-condensing |
| Vibration | 5G at 10–500 Hz |
| Shock | 30G |
| Power Consumption | 40W; 82 VA |
| Inrush Current | 150A at 30 seconds |
| Isolation | 75VDC group-to-backplane; 1200VAC test for 1 second |
| Relay Life | 20,000,000 mechanical cycles |
| Output Currents | 600mA at 5VDC; 500mA at 24VDC |
| Heat Dissipation | 27.9W |
| UPC | 10781180463881 |
Installation Guide
- Mount on a panel or DIN rail. Use the DIN latch for quick setup.
- Keep 0–55°C ambient air around the unit. Avoid condensing moisture.
- Connect 24VDC power to the external supply terminals. Check polarity.
- Use the 8-pin mini-DIN port for programming or HMI links.
- Add up to 6 x 1762 expansion I/O modules for more channels.
- Torque relay terminals to the relay contact rating. Do not exceed 10A minimum load per point.
Commissioning and Maintenance
Two trim potentiometers let you adjust internal and memory registers. This helps with simulation and fine control. The programming port gives direct access for logic changes. Relay outputs use standard 10 ms ON/OFF timing. Keep spare relay contacts on hand for high-cycle loads. The 20,000,000-cycle relay life reduces replacement frequency. Use the DF1 or MODBUS protocol for quick diagnostics from a PC or HMI.
Compatibility Notes
The 1762-L40BXBR works with MicroLogix 1200 expansion modules. It supports DF1, DH-485, ASCII, and MODBUS. This makes it easy to connect to HMIs, SCADA systems, gateways, and converters. The serial port also links to intelligent electronic devices. For legacy systems, the controller keeps existing 1762 I/O racks in service. Always verify firmware and protocol settings before replacing an older unit.
Certifications
UL, c-UL, and CE certified. The input and FET groups carry 75VDC isolation from the backplane. Relay groups use IEC Class 2 reinforced insulation. These ratings support safe use in industrial panels.
Package Contents and Warranty
- 1 x Allen-Bradley 1762-L40BXBR controller
- Mounting hardware as supplied by the original package
- Documentation reference (digital or printed as available)
- 12-month warranty from Oiltech Controls
Shipping
We ship worldwide by FedEx, UPS, and DHL. Each order includes tracking. We pack with anti-static protection for safe transport.
Typical Applications
- Small machine control panels
- Conveyor and packaging lines
- Pump and valve control
- Building automation and gateways
- Retrofit of obsolete MicroLogix systems
Diagnostic Capabilities
Use the programming port and DF1/MODBUS protocol for live status checks. The controller reports I/O faults and communication errors. Trim pots help verify analog-like settings during setup. Relay output timing (10 ms) and FET output behavior are easy to monitor. For fast troubleshooting, connect an HMI or PC and read the fault codes. The 75VDC isolation and reinforced relay insulation help prevent cross-channel faults.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts
- Global shipment support with FedEx, UPS, and DHL
- Tested industrial surplus and refurbished options
- 12-month warranty on every controller
- Technical verification before shipment
- Support for obsolete control systems
Contact us: info@oiltechcontrols.com or +86 158 8020 0923 (WhatsApp).
FAQ
Q: How many I/O does the 1762-L40BXBR have?
A: 20 standard 24VDC inputs, 4 fast inputs, 8 relay outputs, 7 FET outputs, and 1 high-speed FET output.
Q: What communication protocols does it support?
A: DF1, DH-485, ASCII, and MODBUS.
Q: Can I expand the I/O?
A: Yes, up to six 1762 expansion modules.
Q: What is the warranty period?
A: 12 months from Oiltech Controls.
Q: Which shipping carriers do you use?
A: FedEx, UPS, and DHL.
SEO Metadata
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SEO Title 1: Allen-Bradley 1762-L40BXBR MicroLogix 1200 PLC – 40 I/O, Relay/FET, DF1/MODBUS
SEO Title 2: 1762-L40BXBR MicroLogix 1200 Programmable Controller – 24VDC Inputs, Relay & FET Outputs
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