Product Summary
The Allen-Bradley 1762-L40BXB is a powerful MicroLogix 1200 programmable controller. This unit integrates a 24V DC power supply. It manages 24 inputs and 16 outputs. The controller uses a mixed output circuit with relay and FET channels. It provides reliable logic control for demanding industrial machines.
Product Procurement & Buyer Guide
Why Choose the 1762-L40BXB for Your System?
The 1762-L40BXB delivers a unique blend of I/O capability. It features 24 total inputs for sensor data. You get 20 standard and 4 fast 24V DC inputs. The high-speed inputs handle frequencies up to 20 kHz. This makes the unit perfect for precise motion monitoring.
Understanding the Mixed Output Configuration
This controller has 16 outputs in total. The output circuit type is Relay / FET. It provides 8 relay outputs for high-current AC loads. The relay contact rating reaches 120-240VAC. It also offers 7 DC FET outputs plus 1 high-speed FET. This hybrid design supports both inductive and resistive loads.
Selecting the Correct Power Supply
The 1762-L40BXB incorporates an integrated 24V DC Class 2 SELV supply. The power supply voltage is rated for 24V DC with -15% to +10% tolerance. It draws 82 VA at full load. The unit also provides bus power. It delivers 600 mA at 5V DC and 500 mA at 24V DC for expansion modules.
Matching Input Groups to Your Application
The controller separates inputs into two distinct groups. Group one covers inputs 0 through 3. These use a nominal impedance of 3.3 KΩ. Group two covers inputs 4 and beyond. It uses a nominal impedance of 2.7 KΩ. Both groups share an off-state leakage current of 1.5 mA.
Installing the Optional Memory Modules
The standard unit has an integrated memory module. You can replace it with a 1762-MM1 for more capacity. Use a 1762-RTC for real-time clock functions. The combination part 1762-MM1RTC offers both. This is vital for accurate time-stamped process logs.
Step-by-Step User & Installation Guide
Mechanical Mounting for Your Panel
You must mount the controller on a standard DIN rail. The unit weighs 2.4 pounds. Its dimensions are 90 mm high and 160 mm wide. The depth is 87 mm. Use a small flathead screwdriver to adjust the DIN latch. The latch opens to a height of 104 mm.
Wiring the 24V DC Power Supply
First, connect the input power to the correct terminals. The supply requires 24 Volts DC. Do not exceed the current per group specification. The maximum current per group is 8 Amps. Exceeding this rating can permanently damage the controller module immediately.
Connecting the Input Sensors Correctly
Wire your 24V DC sensors to the input terminals. The input circuit type is sink/source. Inputs 0 through 3 have an on-state voltage of 14 to 24 Volts DC. The off-state voltage range for these is 0 to 5 Volts DC. Inputs 4 and above use a range of 10 to 24 Volts DC.
Configuring the Output Circuits
The output circuit type includes both relay and FET. Relay contacts handle loads up to 10A. The mechanical cycles rating is 20,000,000. FET outputs require careful polarity matching. Always verify the load current before connecting any high-current device to the system.
Using the Trimmer Potentiometers
The controller includes integrated trimmer potentiometers. These are intended for data modification or analog simulation. You can adjust them using a precision flathead screwdriver. They function as timers or counters. They can also act as analog simulation registers for testing logic.
Establishing Communication
Connect your programming terminal to the RS232 port. This uses an 8-Pin mini DIN connector. This port allows full program upload and download. It also supports online monitoring of the logic. You can modify the potentiometer value through this link as well.
Logistics & Standard Packaging Details
- One (1) Allen-Bradley 1762-L40BXB Programmable Controller
- Inbuilt 24V DC Power Supply Unit
- Integrated Memory Module (base configuration)
- RS232 Communication Port
- This item ships with standard anti-static packaging material.
- Express delivery shipping is available via FedEx, UPS, and DHL.
