The Allen-Bradley 1756-L61S ControlLogix controller module is engineered for scalability, accommodating multiple I/O points and versatile slot configurations within the ControlLogix I/O chassis. This module excels in network communication with an embedded Ethernet port, allowing seamless connectivity to Ethernet devices and supporting communication interface modules within the local chassis. Designed for durability in demanding environments, it features a conformal coating for robust protection, offering 478 KB of I/O memory and 2 MB of user memory, with power specifications of 1200 mA at 5.1V DC and 14 mA at 24V DC, while maintaining efficient thermal performance with a power dissipation rate of 3.5 Watts and an open-style enclosure for adaptable integration.
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Technical specifications for 1756-L61S
| Manufacturer | Rockwell Automation |
|---|---|
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1756-L61S |
| Series | ControlLogix |
| Module Type | GuardLogix Controller |
| I-O Memory | 478 KB |
| User Memory | 2 MB |
| Maximum I-O | 128,000 |
| Maximum Analog I-O | 4,000 |
| Maximum Digital I-O | 128,000 |
| Current Draw (5.1 Volts DC) | 1200 Miliamperes |
| Current Draw (24 Volts DC) | 14 Miliamperes |
| Power Dissipation | 3.5 Watts |
| Thermal Dissipation | 11.9 BTU per hour |
| Isolation Voltage | 30 Volts Continuous |
| Enclosure | None (Open-Style) |
| UPC | 10612598321749 |
| UNSPSC | 32151705 |
| Product Lifecycle Status* | Discontinued/Obsolete |
* The Allen Bradley 1756-L61S has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1756-L61S units instead of migration.