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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.

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