Allen-Bradley 2711-T9C8 PanelView 900 Standard Operator Terminal

The Allen-Bradley 2711-T9C8, also cataloged as the 2711-T9C8 Operator Terminal, operates as a dedicated hardware component for process visualization and real-time control input execution within Data Highway Plus (DH+) PLC networks.

Suffix Breakdown & Model Matrix

Hardware Specifications

Backplane Bus Communication Velocity and Network Integration

The 2711-T9C8 interfaces with legacy PLC-5 and SLC 5/04 platforms via an integrated Data Highway Plus (DH+) node, executing deterministic network data packet transfers at 57.6k, 115.2k, or 230.4k baud over Belden 9463 twinaxial cabling. Internal logic processing coordinates high I/O density scaling and static memory addresses directly to the graphics engine, avoiding backplane bus latency during alarm log writes to the auxiliary RS-232 printer interface. Onboard firmware flash compatibility permits seamless application runtime execution across Series A through F hardware revisions.

Frequently Asked Questions

Q: What cable is required for connecting the primary DH+ communication port?

A: The primary DH+ port uses standard 3-wire Belden 9463 (blue hose) cable or Allen-Bradley 1770-CD cable, terminated at the terminal using a standard 3-pin phoenix connector.

Q: Can the RS-232 printer port be reconfigured for uploading/downloading application files?

A: No. The auxiliary RS-232 port on the 2711-T9C8 is dedicated solely to serial printer communication for real-time alarm and trigger event printing.

Q: How is application memory expanded between Series D and Series E hardware builds?

A: Application memory is hardware-fixed on the main circuit assembly; Series A through D modules contain 240 KB of non-volatile application flash, while Series E and higher contain 1008 KB.

Field Installation Guidelines

1. Panel Cutout and Gasket Installation: Cut the panel opening per PanelView 900 template dimensions. Ensure the perimeter seal gasket is fully seated into the rear bezel channel to achieve the intended NEMA/IP ingress rating.
2. Clamp Tightening Protocol: Insert panel mounting clips into the slots around the perimeter of the chassis. Tighten screws evenly in a star pattern to a specified torque of 1.13 N-m (10 in-lb) to prevent housing deflection.
3. AC Power Wiring: Connect AC line, neutral, and protective earth conductors to the designated terminal block terminals. Verify supply voltage stays strictly within the 85 to 264 VAC range.
4. DH+ Cable Termination and Shielding: Maintain proper line polarity on the DH+ blue hose conductors (Clear to Pin 1, Shield to Pin 2, Blue to Pin 3). Connect the cable shield ground at one end of the network segment only to prevent ground loop noise.