Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-L35E |
| Brand | Allen-Bradley |
| Product Type | CompactLogix Ethernet Controller |
| Product Line | CompactLogix |
| UPC | 612598302130 |
| User Memory | 1.5 MB |
| Communication Ports | 1 Ethernet port, 1 RS-232 serial port |
| Compatible CompactFlash Card | 1784-CF128 |
| Maximum Number of I/O Modules | 30 |
| Maximum Number of I/O Banks | 3 |
| Current Draw at 5 VDC | 660 mA |
| Current Draw at 24 VDC | 90 mA |
| Power Dissipation | 5.5 W |
| Isolation Voltage Rating | 30 V continuous |
| Mounting Options | DIN rail or panel mount |
| Enclosure Type | Open-style |
| Operating Temperature | 0 to 60 deg C |
| Solid Wire Size | 22 to 14 AWG |
| Mounting Torque | 1.1 to 1.8 N-m |
| Frequency | 10 to 500 Hz |
| Estimated Shipping Dimensions | 7.0 x 12.7 x 9.5 cm |
| Weight | 0.3 kg |
Controller Memory and I/O Capacity
The 1.5 MB user memory stores controller programs and associated application data. The controller supports up to 30 I/O modules across three I/O banks, allowing it to manage multiple local input and output modules. The final configuration must comply with system power and expansion requirements.
Communication Interfaces
The integrated Ethernet port supports communication with compatible automation devices over an industrial network. The RS-232 serial port provides an additional interface for supported serial communication tasks. Check the required protocol and device compatibility before connecting the controller to an existing system.
Installation Considerations
The controller operates as part of a CompactLogix control system. Before installation, verify the power supply capacity, I/O bank arrangement, module compatibility, and wiring requirements. Apply the specified mounting torque only after confirming that it matches the applicable installation instructions for the equipment.
Frequently Asked Questions
Q: How many I/O modules can the 1769-L35E support?
A: The controller supports up to 30 I/O modules across a maximum of three I/O banks. The permitted configuration also depends on the system layout and power requirements.
Q: Which communication interfaces are available?
A: The 1769-L35E has one Ethernet port and one RS-232 serial port. Confirm the communication protocol and connected-device requirements before commissioning.
Q: What should be checked before purchasing a 1769-L35E?
A: Verify the complete model number, physical condition, memory requirements, communication interfaces, and compatibility with the existing CompactLogix system. Also confirm the availability and suitability of any replacement controller before ordering.
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