1747-L553 | Allen-Bradley SLC 5/05 Controller, 64K, Ethernet & RS-232

Allen-Bradley · PLCs & Industrial Controllers

1747-L553 | Allen-Bradley SLC 5/05 Controller, 64K, Ethernet & RS-232

Description  The Allen-Bradley 1747-L553 is an SLC 5/05 processor module from the SLC 500 series. It provides up to 64 KB of battery-backed user memory, supports Ethernet and RS-232 communication, and can manage up to 4096 inputs and 4096 outputs in industrial automation systems.     Technical Specifications  Condition New/Never Used Surplus Brand Allen-Bradley Category Programmable Logic Controllers Part Number 1747-L553 Subcategory SLC 500 Series Type Modular Controller (SLC 5/05 CPU) Memory Capacity 64 KB user memory Processor Family SLC 5/05 Communication Ports Ethernet (10/100 Mbps) + RS-232 Supported Protocols Ethernet/IP (basic), DF1, DH-485 (via interface), Modbus (via user logic) I/O Capacity Supports full 1746 modular I/O range Power Supply Compatibility 1746-P1 through 1746-P7 Display / Indicators Status LEDs for CPU, Ethernet, run/stop, and fault states Mounting Chassis-based (1746 I/O Rack) Operating Temperature 0…60 °C Enclosure Rating Open-style module Program Storage Battery-backed RAM Expansion Supports multiple racks with remote I/O Standards / Certifications GOST, KC, Marine approvals Application Industrial control, legacy automation systems, process and machine control Special Features Integrated Ethernet port, high memory capacity for SLC series, robust CPU performance       Information About 1747-L553 The 1747-L553 is a high-performance controller in the Allen-Bradley SLC 5/05 line, designed to handle large-scale automation tasks. It integrates an Ethernet port with 10/100 Mbps capability and an RS-232 channel configurable for DH-485, DF1, or ASCII protocols. Supporting up to 64 simultaneous connections, it enables seamless integration with HMIs, programming workstations, and multiple devices at once. With up to 64 KB of battery-backed RAM and compatibility with the 1747-M13 memory module, it ensures reliable data storage. The processor can support up to 3 I/O chassis and 30 module slots, offering flexibility for expansion and complex control systems. Key Features: Memory Capacity: Provides up to 64 KB of battery-backed CMOS RAM with optional 1747-M13 memory module for expanded storage. Communication Interfaces: Includes integrated Ethernet (10/100 Mbps) and RS-232 ports configurable for DH-485, DF1, or ASCII communication. Network Connections: Supports up to 64 simultaneous connections for HMIs, programming devices, and controllers. I/O Handling: Capable of managing up to 4096 inputs, 4096 outputs, and 480 analog I/O points across multiple chassis. Chassis Support: Operates with up to 3 I/O chassis and 30 module slots, offering scalable system design. Processing Speed: Delivers fast execution with a program scan time of 0.9 ms/K and I/O scan time of 0.225 ms. Reliability: Battery-backed memory ensures secure program retention during power loss. Application Range: Suitable for large and complex industrial automation systems requiring high memory and robust networking. The 1747-L553 delivers the flexibility, speed, and communication capacity required for advanced control in industrial environments.

Brand: Allen-Bradley · Category: PLCs & Industrial Controllers

Key features

Specifications

Manufacturer part number1747-L553
ConditionNew/Never Used Surplus
BrandAllen-Bradley
CategoryProgrammable Logic Controllers
Part Number1747-L553
SubcategorySLC 500 Series
TypeModular Controller (SLC 5/05 CPU)
Memory Capacity64 KB user memory
Processor FamilySLC 5/05
Communication PortsEthernet (10/100 Mbps) + RS-232
Supported ProtocolsEthernet/IP (basic), DF1, DH-485 (via interface), Modbus (via user logic)
I/O CapacitySupports full 1746 modular I/O range
Power Supply Compatibility1746-P1 through 1746-P7
Display / IndicatorsStatus LEDs for CPU, Ethernet, run/stop, and fault states
MountingChassis-based (1746 I/O Rack)
Operating Temperature0…60 °C
Enclosure RatingOpen-style module
Program StorageBattery-backed RAM
ExpansionSupports multiple racks with remote I/O
Standards / CertificationsGOST, KC, Marine approvals
ApplicationIndustrial control, legacy automation systems, process and machine control
Special FeaturesIntegrated Ethernet port, high memory capacity for SLC series, robust CPU performance
Product typePLC Module/Rack

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