Overview
The Allen-Bradley 1747-L532 is an SLC 5/03 processor within the SLC 500 family of mid-range PLCs. This processor unit offers substantial capabilities for industrial automation, with 16K words of memory, DH-485 and RS-232 communication, and up to 4096 I/O points across local and remote modules. The 1747-L532 balances cost-effectiveness with proven reliability, making it a trusted choice for manufacturing, packaging, and process control applications.
Key Features
- Supports maximum of 4096 discrete inputs and 4096 discrete outputs
- 16K words of memory with DH-485 and RS-232 communication ports
- Program scan time of 1 millisecond
- Battery-backed RAM for data retention with keyswitch for operation modes
- Compatible with the Allen-Bradley 1747-M13 backup memory device
- Can be programmed through the RSLogix500 software
Technical Specifications
Memory capacity of 16K words makes this processor suitable for a diverse set of applications. The unit operates on maximum load current of 0.5 Amps at 5V DC and 0.175 Amps at 24V DC, consuming a total of 2.9 Watts. The 1747-L532’s backplane current is 500 mA at 5 Volts DC and 175 mA at 24 Volts DC. The unit can withstand 30G of operating shock. The processor has a hold-up time of 20 ms – 3 s after loss of power.
Typical Applications
- Manufacturing automation and assembly line control
- Packaging machinery and conveyor systems
- Process control in food, beverage, and chemical industries
- Infrastructure and utility automation
- Legacy system integration and modernization
- Modular multi-chassis control setups (up to 3 chassis)
Compatibility & Replacements
Compatible With
- 1747 series I/O modules and expansion chassis
- 1746-P4 power supply (recommended for chassis)
- 1747-M13 Flash EPROM memory backup module
- DH-485 and RS-232 serial communication networks
- RSLogix 500 programming software
Replaces / Drop-In Replacement For
Compatible model variants include 1747-L532A, 1747-L532B, 1747-L532C, 1747-L532D, 1747-L532F. Verify compatibility with your system integrator before ordering.
Works With
- RSLogix 500 programming software and development environments
- DH-485 networking protocol for distributed I/O
- RS-232 serial communication for direct computer connection
- Modular SLC 500 chassis configurations
- Legacy Allen-Bradley industrial networks
