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The Allen-Bradley 1756-L61 is a ControlLogix processor module designed for advanced industrial automation applications. It provides high-speed processing, flexible communication, and support for both analog and digital I/O, enabling efficient control of complex systems.
This module has been discontinued, making it ideal for replacement or retrofit projects.
| Parameter | Specification |
|---|---|
| Manufacturer / Brand | Allen-Bradley / Rockwell Automation |
| Part Number / Catalog No. | 1756-L61 |
| Series | ControlLogix |
| Module Type | Processor Module |
| Fixed/User Memory | 2, 4, or 8 MB fixed; 2 MB user memory |
| Nonvolatile Memory | Compact Flash Card 1784-CF128 |
| Maximum Digital I/O | 128,000 |
| Maximum Analog I/O | 4,000 |
| Communication Ports | RS-232 serial port |
| RS-232 Protocols | ASCII DF1 full/half-duplex, DF1 radio modem, DH-485, Modbus via logic |
| Program Scan Time | 0.08 milliseconds |
| Backplane Current (5V DC) | 1.2 Amps |
| Backplane Current (24V DC) | 14 mA |
| Battery | 1756-BA1, 1756-BATM, or 1756-BATA |
| Weight | 0.71 lbs (0.32 kg) |
| Vibration | 10–500 Hz |
| Relative Humidity | 5–95% |
| Lifecycle Status | Discontinued / Obsolete |
| Warranty | Radwell 2-year warranty included |
High-speed ControlLogix processor module suitable for complex automation systems.
Supports up to 128,000 digital I/O and 4,000 analog I/O points.
RS-232 serial port with multiple protocol support for flexible communications.
Discontinued by manufacturer, ideal for retrofit or replacement.
Compatible with Compact Flash memory cards for nonvolatile program storage.
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
US$40
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