وصف
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.
