1762-L24BWA Allen-Bradley MicroLogix 1200 Datasheet & Technical Manual

1762-L24BWA Allen-Bradley MicroLogix 1200 Datasheet & Technical Manual

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Allen-Bradley 1762-L24BWA MicroLogix 1200 Controllers The Allen-Bradley 1762-L24BWA, also cataloged as the 1762-L24BWA Programmable Controller, operates as a dedicated hardware...

SKU: 1762-L24BWA

Manufacturer: Allen Bradley
Product No.: 1762-L24BWA
Product Type: Programmable Controllers
Product Origin: USA
Payment:T/T, Western Union
Weight: 910g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1762-L24BWA MicroLogix 1200 Controllers

The Allen-Bradley 1762-L24BWA, also cataloged as the 1762-L24BWA Programmable Controller, operates as a dedicated hardware component for discrete logic execution and digital signal processing within MicroLogix 1200 platforms. The device integrates 14 digital input channels and 10 relay output channels into a single chassis powered via a 120/240 VAC source. Physical signal processing paths accommodate 4 high-speed discrete inputs for rapid transient detection alongside 10 standard inputs, executing deterministic logic switching routines based on hardwired program execution.

Hardware Specifications

Parameter	Specification
Model	1762-L24BWA
Brand	Allen-Bradley
Origin	United States
Weight	0.91 kg (2.0 lbs shipping weight)
Dimensions	11 cm x 9 cm x 8.7 cm
Operating Temp	0 to 55 deg C
Power Consumption	70 VA
Line Voltage	100 to 240 VAC (-15%, +10%) at 47 to 63 Hz
Discrete Inputs	14 total (10 Standard Inputs, 4 Fast Inputs)
Input Circuit Type	24 VDC sink/source
Nominal Impedance	3.3 kiloohms (inputs 0-3), 2.7 kiloohms (inputs 4 and above)
On-State Voltage	14-26.4 VDC at 55 deg C (inputs 0-3), 10-26.4 VDC (inputs 4 and above)
Off-State Leakage Current	1.5 mA maximum
Discrete Outputs	10 Relay Outputs
Status Indicators	Integrated LED array for I/O and CPU status

Profinet / EtherNet/IP Deterministic Networks and I/O Density Scaling

The execution parameters of this controller interact with external communication topologies and expansion mechanics to determine complete I/O density scaling. Local hardware limits expand via 1762 series expansion modules, extending physical channel allocation while maintaining local bus timing profiles. For integration within high-level Profinet / EtherNet/IP deterministic networks, peripheral bridge modules transform local serialized communication into packet-synchronized industrial ethernet protocols, stabilizing data execution cycles across distributed supervisory networks without expanding CPU cycle times.

Frequently Asked Questions

Q: What are the functional constraints when driving high-frequency inductive loads with the relay outputs?

A: The relay contacts are mechanical components subject to physical wear. Operating inductive loads without surge suppression accelerates contact erosion; external surge suppressors must be applied parallel to the load to stabilize long-term operation.

Q: How do the input impedance differences between channels 0-3 and channels 4 and above affect field device wiring?

A: Channels 0-3 have a nominal impedance of 3.3 kiloohms to accommodate fast input transient pulses, requiring a stable 14-26.4 VDC signal for an on-state definition. Channels 4 and above utilize 2.7 kiloohms impedance, reducing the minimum on-state voltage requirement to 10 VDC.

Field Installation Guidelines

DIN-Rail and Panel Mounting: Secure the module to a 35 mm DIN-rail or mount directly to a backplate using the integral mounting holes. Ensure vertical orientation to allow correct convection airflow through the chassis cooling vents.
AC Power Supply Connections: Route the 120/240 VAC line power directly to the designated termination points. Use appropriate gauge wire rated for 70 VA loads and enforce separation between AC supply lines and low-voltage DC input signals.
Input and Output Wiring Separation: Maintain strict segregation between the 24 VDC sink/source field inputs and the internal relay contact lines to prevent electrical cross-talk or induced noise transients.
Grounding Requirements: Establish a low-impedance ground path by connecting the functional earth terminal directly to the central panel enclosure ground bus bar before activating primary electrical systems.

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