This module is a standard controller from the ControlLogix family, designed to handle complex logic and data management with 16 MB of user memory and 478 KB of I/O memory. It supports a maximum of 128,000 total I/O points, including up to 4,000 analog I/O, making it suitable for extensive industrial processes.
Technical Specifications Breakdown
Key parameters for the 1756-L64 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Part Number | 1756-L64 |
| Brand | Allen-Bradley |
| Series | ControlLogix |
| Module Type | Processor Module |
| User Memory | 16 MB |
| I/O Memory | 478 Kilobytes |
| Maximum I/O | 128,000 |
| Maximum Analog I/O | 4,000 |
| Maximum Digital I/O | 128,000 |
| Current Draw (5.1 Volts DC) | 1200 milliamps |
| Current Draw (24 Volts DC) | 14 milliamps |
| Power Dissipation | 3.5 Watts |
| Thermal Dissipation | 11.9 BTU per hour |
| Isolation Voltage | 30 Volts Continuous |
Industry Applications
Its 128,000 maximum digital I/O supports thousands of sensors and actuators. For process industries like oil and gas, the 4,000 analog I/O capacity enables precise monitoring of temperature, pressure, and flow loops. The 1756-L64 also supports controller redundancy, ensuring uptime in critical infrastructure.
Installation & Setup Guidance
Mount the module in a compatible ControlLogix chassis (1756-A4, A7, A10, A13, or A17). Ensure the backplane provides adequate 5.1V DC current (1200 mA) and 24V DC current (14 mA). Use the 1764-CF128 CompactFlash card for additional non-volatile memory if needed. For serial communications, configure DF1, DH-485, or Modbus via logic as required.
Maintenance & Reliability
Periodically inspect the module for dust and ensure ambient temperature stays within 0 to 60 °C. The user-replaceable battery (1756-BA2) should only be changed when necessary. The unit withstands 2 g vibration at 10 to 500 Hz and 30 g operating shock, making it robust for industrial environments.
Compatibility & Integration
This processor supports EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, SynchLink, Remote I/O, and third-party networks. For redundancy applications, full support is built in.
Selection Guide & Purchasing Advice
When selecting a processor, match I/O and memory requirements to your application. Contact AutoDCSTech for current lifecycle status and availability before ordering. Our team can help verify compatibility with your existing chassis and network infrastructure.
Availability & Condition at AutoDCSTech
| Part Number | 1756-L64 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
Datasheet & Downloads
Specification sheet for 1756-L64. For lead time, condition and price, contact our team.
