Description
1. Unboxing & Physical Snapshot
- Model & Brand: Allen-Bradley / Rockwell Automation (MicroLogix 1200 Platform) — 1762-L40BXBR (40-Point Programmable Logic Controller)
- Physical Dimensions: Compact modular industrial controller housing measuring approx. 160 mm wide x 90 mm high x 87 mm deep (6.30 in x 3.54 in x 3.43 in).
- Estimated Shipping Weight: 0.91 kg (2.0 lbs) packed inside heavy anti-static shielding bags, dense impact-resistant foam, and a reinforced corrugated shipping carton.
- What’s in the Box: 1762-L40BXBR controller unit, removable terminal blocks, factory inspection card, and ESD warning compliance insert (note: programming cables and 1762 expansion I/O modules are ordered separately).
2. Product Introduction
Executing reliable discrete control, high-speed counting, and multi-axis pulse train operations across compact industrial machines requires a versatile, field-proven programmable controller. Operating as a core processing asset within the Allen-Bradley MicroLogix 1200 platform, the 1762-L40BXBR features 24 digital inputs and 16 digital outputs, combining DC sink/source flexibility with dry relay output isolation.
Engineered with built-in RS-232 communication ports supporting DF1, Modbus RTU, and ASCII protocols, high-speed counter (HSC) capability, and expansion support for up to 6 1762 I/O modules, the controller delivers scalable performance. Plant automation engineers, panel builders, and maintenance technicians rely on this compact controller to manage standalone automated machinery, material handling systems, and remote process skids.
3. Core Technical Specifications
| Parameter | Value |
| Product Series | Allen-Bradley MicroLogix 1200 Programmable Controller Platform |
| Model / Part Number | 1762-L40BXBR |
| Controller Capacity | 40 I/O Points total (24 Inputs / 16 Outputs) |
| Input Specifications | 20 Standard 24V DC inputs + 4 Fast 24V DC inputs (sink/source) |
| Output Specifications | 8 Relay outputs + 8 Transistor (FET) 24V DC source outputs |
| Controller Power Supply | 24V DC nominal input power |
| Memory Capacity | 6 KB user memory (4 KB user program + 2 KB user data) |
| Communication Ports | 2 Built-in RS-232C serial communication ports (DF1, DH-485, Modbus RTU, ASCII) |
| Expansion Capability | Supports up to 6 Bulletin 1762 expansion I/O modules |
| Operating Temperature | 0^\circC to +55^\circC (32^\circF to 131^\circF) |
4. Global Compliance & Industry Certifications
Industrial control processors embedded in automated machinery require rigorous compliance validation to meet global electrical safety and environmental mandates.
- Certifications: CE Conformity, c-UL-us Listed Industrial Control Equipment (Class I, Division 2 Hazardous Locations), C-Tick, and KCC compliant.
- Safety Relevance: The optical isolation on digital inputs and galvanic separation between relay and transistor outputs prevent field transients and ground loops from damaging internal controller logic.
- Audit Note: Keep ladder logic backup documentation, firmware revision history, and hardware configuration logs accessible in your asset management system to satisfy safety and compliance inspections.
5. Long-Storage & Asset Preservation Guide
Spare PLC controllers stored in warehouse stockrooms face electronic component degradation and electrostatic risks over extended storage cycles (—requiring precise environmental control to protect inventory readiness). Preserve your asset by executing these procedures:
- Maintain indoor warehouse climates where storage temperatures stay between -40^\circC and +85^\circC while keeping relative humidity strictly below 80% non-condensing.
- Keep the controller permanently sealed inside its original factory anti-static moisture-barrier bag alongside active desiccant packs until the exact panel installation window.
- Inspect removable terminal connectors and communication ports annually for dust accumulation or environmental tarnish, keeping contact pins clean without chemical solvents.
6. Physical Installation Prerequisites
Proper DIN rail or panel mounting alignment, static discharge precautions, and total power isolation are mandatory when installing controllers.
- Clearance Space: Ensure unobstructed airflow clearance of at least 50 mm (2 inches) above and below the controller housing to permit effective natural convection cooling.
- Grounding Requirements: Secure a low-impedance copper ground wire from the controller chassis ground terminal directly to the enclosure backplane ground bus before wiring field devices.
- Power Isolation: De-energize and lock out (LOTO) all 24V DC power feeds and field output power sources before inserting terminal blocks or connecting programming cables.
7. Buyer’s FAQ (Logistics & Compliance Focus)
Q: What Harmonized System (HS) Tariff Code applies to this Allen-Bradley controller for international shipments?
A: Programmable controllers, industrial automation processors, and digital control modules typically classify under HS code 8537.10.9170 or 8538.90.8080. Always verify final classifications with your customs broker.
Q: What programming software is required to configure the MicroLogix 1200 1762-L40BXBR?
A: It is configured using MicroLogix 1200 programming software (such as RSLogix 500 Micro) via the built-in RS-232 communication port.
Q: What is the Country of Origin (COO) for trade compliance record-keeping?
A: MicroLogix controllers are manufactured in certified global production facilities (primarily the United States or Singapore), requiring accurate origin declarations on commercial import paperwork.
Q: Is specialized shock-resistant transit insurance required for international cargo delivery?
A: Yes, because precision printed circuit boards, terminal blocks, and internal electronic relays are sensitive to drop impacts and logistics vibration, full-value freight insurance is strongly recommended.
