The 2711-K6C3 is a standard operator interface terminal engineered for machine-level visualization and industrial process control. Designed for automation applications such as packaging machines and discrete assembly lines, this human-machine interface delivers reliable graphic monitoring and data entry via an integrated keypad. It minimizes unexpected system downtime through stable DH-485 network communication and a dedicated printer port, ensuring continuous operational control in demanding plant environments.
Hardware Architecture and System Integration
The terminal incorporates a color active-matrix TFT display paired with a resilient 10-key stainless-steel domed membrane function keypad and navigation buttons. It features an integrated DH-485 communication port for multi-node connectivity with SLC 500, MicroLogix, and PLC-5 controllers, alongside an RS-232 port dedicated to alarm and event printer logging. The unit operates on standard AC power and features nonvolatile flash memory along with a field-replaceable display backlight.
Technical Specifications
Model
2711-K6C3
Brand
Allen-Bradley
Display Size
5 in
Display Resolution
320 x 234 pixels
Input Type
Keypad
Input Voltage
85-264 VAC
Input Frequency
47-63 Hz
Power Consumption
50 VA max
Memory
240 KB nonvolatile memory
Communication Interfaces
DH-485, RS-232 Printer
Operating Temperature
0 to 50 degC
Installation Guidelines
Ensure the terminal is mounted in a panel or enclosure that provides adequate protection and ventilation to maintain operating temperatures below 50 degC.
Verify that the AC power source is within the specified 85-264 VAC range before connection.
Use shielded communication cables for DH-485 and RS-232 connections to minimize electromagnetic interference (EMI).
Ensure proper grounding of the terminal chassis to the enclosure ground bus to prevent electrical noise issues.
Power down the unit before performing any maintenance, such as replacing the display backlight or accessing internal components.
Avoid installing the unit in areas with high vibration or extreme moisture unless the enclosure rating is sufficient for the environment.
FAQ
What controllers are compatible with the 2711-K6C3?
This terminal is designed to communicate via DH-485 with Allen-Bradley SLC 500, MicroLogix, and PLC-5 controller families.
Can the display backlight be replaced?
Yes, the 2711-K6C3 features a field-replaceable display backlight to extend the operational life of the unit.
