Allen Bradley 1747-L542/B | SLC 500 Series CPU Module

Product Overview

The Allen Bradley 1747-L542/B is a high-performance processor module in the SLC 500 series. It supports ladder logic and structured text programming for complex industrial control tasks. Its flexible communication options include RS-232, RS-422, and RS-423, compatible with protocols like DH-485, ASCII, DF1, and Modbus RTU.

With 32K words of program memory, the 1747-L542/B manages up to 8192 digital I/O points. It supports 4096 discrete input points and 4096 discrete output points, providing substantial control capacity for diverse automation applications.

Technical Specifications

• Manufacturer: Allen Bradley

• Series: SLC 500

• Part Number: 1747-L542/B

• Product Type: Processor Module

• Program Memory: 32K words

• Discrete Input Points: 4096

• Discrete Output Points: 4096

• Max Digital I/O: 8192 points

• Communication Ports: RS-232, RS-422, RS-423 (DH-485, ASCII, DF1, Modbus RTU)

• Power Supply: 1 A @ 5V DC; 0 mA @ 24V DC

• Backplane Current: 500 mA @ 5V DC; 175 mA @ 24V DC

• Voltage Range: 5–24 VDC

• Dimensions: 5.1 cm x 15.2 cm x 15.2 cm (2.0 in x 6.0 in x 6.0 in)

• Weight: 0.3 kg (11.0 oz)

• Form Factor: Chassis mount

• Software Compatibility: RSLogix 500

Industrial Performance

The Allen Bradley 1747-L542/B module ensures robust processing for demanding automation systems. Its chassis-mount design enables easy integration into SLC 500 setups, while the large memory and high I/O capacity allow simultaneous control of multiple devices.

The versatile communication ports facilitate seamless integration with various network protocols. This processor module delivers dependable performance in industrial environments, supporting both discrete and structured control tasks efficiently.