Allen-Bradley 2711-T5A8L1 PanelView 550 HMI Terminal
Configured for human-machine visualization in Data Highway Plus (DH+) industrial architectures, the Allen-Bradley 2711-T5A8L1 (2711-T5A8L1 Operator Terminal) provides direct physical/electrical execution for real-time process monitoring and touch control interface across PLC-5 and SLC 500 networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 2711-T5A8L1 |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.70 kg (3.75 lbs) |
| Dimensions | 152 mm x 185 mm x 82 mm (6.0 in. x 7.28 in. x 3.20 in.) |
| Operating Temp | 0 deg C to +55 deg C |
| Power Consumption | 18 W maximum (0.75 A at 24 VDC) |
| Supply Voltage | 18-32 VDC (24 VDC nominal) |
| Display Type | 5.5-inch Monochrome LCD (Blue Mode) with LED Backlight |
| Display Resolution | 256 x 128 pixels |
| Touch Matrix | 128 Touch Cells (24 Columns x 18 Rows) |
| Communication Ports | Data Highway Plus (DH+), RS-232 Printer Port |
| Application Memory | 170 KB / 240 KB Application Flash (Series Dependent) |
| External Storage | ATA Memory Card Slot |
| Enclosure Rating | NEMA 12, 13, 4X (Indoor) / IP65 |
| Lifecycle Status | Discontinued by Manufacturer |
Backplane Bus Communication & Deterministic Network Interfacing
The Allen-Bradley 2711-T5A8L1 PanelView 550 terminal communicates over multi-node Data Highway Plus (DH+) networks using Belden 9463 twinaxial cables to execute high-velocity tag exchanges with PLC-5 and SLC 500 controllers. Operating alongside an independent RS-232 printer port for real-time alarm archiving, the module maintains deterministic scan updates without burdening central processor backplane speed. Onboard firmware flash compatibility enables seamless application downloading via PanelBuilder32 software, while the 128-cell touch matrix processes continuous operator inputs for dynamic setpoint adjustment and I/O density scaling.
Frequently Asked Questions
Q: What power supply range is acceptable for operating the 2711-T5A8L1 terminal?
A: The 2711-T5A8L1 requires a 24 VDC nominal supply, operating reliably across an allowable voltage input window of 18 VDC to 32 VDC.
Q: Can the 2711-T5A8L1 operator terminal be disconnected or swapped while 24 VDC power is applied?
A: No. Main 24 VDC control power and DH+ network wiring must be isolated prior to removing or installing the terminal to prevent contact arcing and serial bus corruption.
Q: How are real-time clock data and application files preserved during a main power interruption?
A: Application graphics and tags are stored in internal nonvolatile flash memory, while the real-time clock (RTC) maintains timekeeping via an internal replaceable backup battery.
Field Installation Guidelines
Prepare a precise rectangular door cutout measuring 123 mm x 156 mm (4.86 in. x 6.15 in.) in a NEMA 4X or IP65 enclosure. Insert the 2711-T5A8L1 through the opening, ensuring the perimeter sealing gasket is seated properly against the panel cutout face to preserve environmental sealing.
Secure the terminal housing using the provided mounting clamps, tightening the screws in an alternating pattern to a torque specification of 1.1 Nm to 1.4 Nm (10 in-lbs to 12 in-lbs). Terminate the 3-wire DH+ network cable (Belden 9463) at the 3-pin connector block, maintaining shield continuity. Connect the 24 VDC power leads using copper wire rated for at least 75 deg C, observing correct polarity, and bond the chassis ground terminal directly to the enclosure earth bar with a low-impedance grounding conductor.
Allen-Bradley 2711-T5A8L1 PanelView 550 HMI Terminal
Allen-Bradley 2711-T5A8L1 PanelView 550 HMI Terminal
Configured for human-machine visualization in Data Highway Plus (DH+) industrial architectures, the Allen-Bradley 2711-T5A8L1 (2711-T5A8L1 Operator Terminal) provides direct physical/electrical execution for real-time process monitoring and touch control interface across PLC-5 and SLC 500 networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 2711-T5A8L1 |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 1.70 kg (3.75 lbs) |
| Dimensions | 152 mm x 185 mm x 82 mm (6.0 in. x 7.28 in. x 3.20 in.) |
| Operating Temp | 0 deg C to +55 deg C |
| Power Consumption | 18 W maximum (0.75 A at 24 VDC) |
| Supply Voltage | 18-32 VDC (24 VDC nominal) |
| Display Type | 5.5-inch Monochrome LCD (Blue Mode) with LED Backlight |
| Display Resolution | 256 x 128 pixels |
| Touch Matrix | 128 Touch Cells (24 Columns x 18 Rows) |
| Communication Ports | Data Highway Plus (DH+), RS-232 Printer Port |
| Application Memory | 170 KB / 240 KB Application Flash (Series Dependent) |
| External Storage | ATA Memory Card Slot |
| Enclosure Rating | NEMA 12, 13, 4X (Indoor) / IP65 |
| Lifecycle Status | Discontinued by Manufacturer |
Backplane Bus Communication & Deterministic Network Interfacing
The Allen-Bradley 2711-T5A8L1 PanelView 550 terminal communicates over multi-node Data Highway Plus (DH+) networks using Belden 9463 twinaxial cables to execute high-velocity tag exchanges with PLC-5 and SLC 500 controllers. Operating alongside an independent RS-232 printer port for real-time alarm archiving, the module maintains deterministic scan updates without burdening central processor backplane speed. Onboard firmware flash compatibility enables seamless application downloading via PanelBuilder32 software, while the 128-cell touch matrix processes continuous operator inputs for dynamic setpoint adjustment and I/O density scaling.
Frequently Asked Questions
Q: What power supply range is acceptable for operating the 2711-T5A8L1 terminal?
A: The 2711-T5A8L1 requires a 24 VDC nominal supply, operating reliably across an allowable voltage input window of 18 VDC to 32 VDC.
Q: Can the 2711-T5A8L1 operator terminal be disconnected or swapped while 24 VDC power is applied?
A: No. Main 24 VDC control power and DH+ network wiring must be isolated prior to removing or installing the terminal to prevent contact arcing and serial bus corruption.
Q: How are real-time clock data and application files preserved during a main power interruption?
A: Application graphics and tags are stored in internal nonvolatile flash memory, while the real-time clock (RTC) maintains timekeeping via an internal replaceable backup battery.
Field Installation Guidelines
Prepare a precise rectangular door cutout measuring 123 mm x 156 mm (4.86 in. x 6.15 in.) in a NEMA 4X or IP65 enclosure. Insert the 2711-T5A8L1 through the opening, ensuring the perimeter sealing gasket is seated properly against the panel cutout face to preserve environmental sealing.
Secure the terminal housing using the provided mounting clamps, tightening the screws in an alternating pattern to a torque specification of 1.1 Nm to 1.4 Nm (10 in-lbs to 12 in-lbs). Terminate the 3-wire DH+ network cable (Belden 9463) at the 3-pin connector block, maintaining shield continuity. Connect the 24 VDC power leads using copper wire rated for at least 75 deg C, observing correct polarity, and bond the chassis ground terminal directly to the enclosure earth bar with a low-impedance grounding conductor.
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