The Allen-Bradley 1747-L553 is a high-performance processor module from the SLC 5/05 series, designed for demanding industrial automation applications. This controller features 64K words of user memory and provides integrated Ethernet and RS-232 communication ports, enabling efficient connectivity and data exchange in mid- to large-scale control systems.
Features
Integrated 10/100 Mbps Ethernet port for high-speed networking and BOOTP support.
RS-232 communication channel supporting DF1 Full-duplex, Half-duplex master/slave, Radio Modem, DH-485, and ASCII protocols.
64K words of user memory for complex program and data storage.
Typical scan time of 0.9 ms/K and fast bit execution of 0.37 microseconds.
Supports up to 8192 digital I/O points and 480 analog I/O points.
Built-in real-time clock and calendar for time-stamping and scheduling.
Applications
Industrial automation and process control systems.
Packaging and material handling machinery.
Iron, steel, and aluminum smelting/processing facilities.
Complex manufacturing and assembly line control.
Technical Specifications
Model
1747-L553
Series
SLC 500 (SLC 5/05)
User Memory
64K words
Communication Ports
Ethernet, RS-232 (Channel 0)
Max Digital I/O
8192
Max Analog I/O
480
Operating Temperature
0 degC to 60 degC
Storage Temperature
-40 degC to 85 degC
Relative Humidity
5% to 95% (non-condensing)
Installation Guidelines
Power Off: Always disconnect power from the chassis before installing or removing the processor module to prevent electrical shock or damage.
ESD Protection: Use a grounded wrist strap or similar ESD protection when handling the module to prevent damage to sensitive electronic components.
Mounting: Ensure the module is fully seated in the designated slot of the SLC 500 chassis and secured with the chassis retaining screws.
Wiring: Use shielded cables for communication connections to minimize EMI interference. Ensure proper routing away from high-voltage power lines.
Environment: Install in a clean, dry, and vibration-free enclosure rated for the intended industrial environment.
FAQ
What is the 1747-L553?
It is a high-performance, single-slot processor from the SLC 5/05 series, designed for mid- to large-scale applications requiring Ethernet and RS-232 communication.
What are the key differences from 5/03 or 5/04?
The key difference is the native Ethernet port for faster networking, along with 64K of memory.
Can I swap modules while power is on?
No. Never install, remove, or wire any module while power is applied to avoid electrical hazards and potential damage to the backplane.
