



The 1761-L16BWB MicroLogix 1000 Controller from Rockwell Automation is a compact programmable logic controller (PLC) designed for small-scale industrial automation and machine control applications.
As part of the popular MicroLogix 1000 series, this controller integrates CPU, power supply, and I/O into a single compact housing, making it ideal for applications requiring a cost-effective and space-saving PLC solution.
The 1761-L16BWB features:
- 10 digital 24V DC inputs
- 6 relay outputs
- Built-in RS-232 DF1 communication
- 1 KB EEPROM memory
- 24V DC power supply operation
It is commonly used in OEM machines, conveyors, packaging systems, HVAC control, water treatment, and factory automation systems. The model has been officially discontinued by Rockwell Automation but remains widely used in legacy systems.
Technical Specifications (Including Size & Weight)
| Parameter | Specification |
|---|---|
| Model | 1761-L16BWB |
| Series | MicroLogix 1000 |
| Module Type | Compact PLC Controller |
| Power Supply | 24V DC |
| Input Voltage Range | 14–30V DC |
| Power Consumption | 5 W |
| Digital Inputs | 10 × 24V DC |
| Digital Outputs | 6 × Relay Outputs |
| Output Voltage Range | 5–264V AC / 5–125V DC |
| Output Current Rating | 2 A per point |
| Communication Port | RS-232 |
| Protocol | DF1 |
| Memory | 1 KB EEPROM |
| Approx. Instruction Capacity | 737 instruction words |
| Mounting Type | DIN Rail / Panel Mount |
| Operating Temperature | 0°C to 55°C |
| Shock Resistance | 10 G operating |
| Inrush Current | 30 A for 4 ms |
| Isolation Voltage | 1500V AC |
| Weight | ~0.23 kg |
Technical data compiled from Rockwell Automation and industrial distributor specifications.
Physical Dimensions
- Size (H × W × D): 80 × 120 × 40 mm
(Equivalent references also listed as approximately 7.87 × 1.57 × 3.15 inches depending on mounting orientation.)
Key Features
- Integrated compact PLC architecture
- 10 DC inputs and 6 relay outputs
- Supports both AC and DC relay load switching
- Built-in RS-232 communication port
- DF1 communication protocol support
- EEPROM non-volatile memory storage
- DIN rail mounting capability
- Suitable for compact machine automation
Recommended Related Models
The 1761-L16BWB is commonly associated with:
- 1761-L10BWB MicroLogix 1000 controller
- 1761-L32BWA / L32BBB controllers
- 1761-NET-AIC communication converter
- 1761-CBL-PM02 programming cable
- RSLogix 500 programming software
- PanelView operator interfaces