Description
Product Introduction & Engineering Value
I’ve pulled more than a few of these out of running lines over the years. When a plant still has a ControlNet backbone and a PanelView 550 application that has not been rewritten, the 2711-T5A15 remains the direct hardware match. It is a 5.5-inch monochrome touch terminal built for the Standard PanelView platform and programmed with PanelBuilder32.
The unit delivers a blue-mode LCD with fixed 256 × 128 resolution, 128 touch cells, and native ControlNet connectivity plus an RS-232 printer port. Power is typically 18–32 VDC on the L1 versions that dominate the surplus market. It slots into the same panel cutout as other 550-series terminals, so mechanical replacement is usually straightforward when the original unit fails.
Technical Specifications
Display Size: 5.5 in. diagonal
Display Type: Monochrome LCD, blue mode
Resolution: 256 × 128
Display Area: 120 × 60 mm (4.75 × 2.38 in.)
Operator Input: Analog resistive touch (128 cells, 1 million actuations)
Application Memory: 170 KB runtime / 240 KB nonvolatile
Communication Ports: ControlNet + RS-232 printer port
Input Voltage: 18–32 VDC (24 VDC nominal) on L1 versions
Power Consumption: Approximately 18 W max
Backlight: LED, 100,000-hour life
Enclosure Rating: NEMA Type 12/13, 4X (indoor), IP54/IP65
Software: PanelBuilder32
Field Application & The “Trench” Experience
A Midwest water-treatment plant kept three identical 2711-T5A15 units on a ControlNet ring for local pump-station control. One failed during a freeze event when the backlight dimmed and touch response became erratic. The maintenance tech swapped in a tested surplus unit, restored the application from the memory card, set the ControlNet node address, and had the station back online in under an hour—no application conversion required.
Typical niche placements for this exact model:
- Local ControlNet operator station on a PLC-5 or SLC-based packaging line that still uses the original PanelBuilder32 application.
- Remote pump-house or lift-station HMI where only monochrome status and basic start/stop functions are needed.
- Legacy machine tool interface that must retain the existing 5.5-inch cutout and ControlNet drop.
2711-T5A15
2711-T5A15
2711-T5A15
Transparency SOP: QA & Testing
- Full visual inspection of bezel, touch surface, and connectors for physical damage or corrosion.
- Power-up on regulated 24 VDC supply; confirm current draw and heat dissipation stay within limits.
- Display uniformity check—no dead pixels, consistent blue-mode contrast, and proper backlight intensity.
- Multi-point touch calibration and actuation test across all 128 cells.
- ControlNet network join and node-address verification plus RS-232 printer-port loopback.
- Application load from memory card, runtime verification, and battery-backed clock function check.
- Final burn-in followed by anti-static packaging and moisture barrier.
The Veteran’s Tech Trap Guide
⚠️ ControlNet node address and keeper status – A replacement unit must be set to the exact node number of the failed terminal. If the network has a keeper, an incorrect address or scheduled-bandwidth mismatch will prevent the terminal from joining cleanly.
⚠️ Memory-card and firmware compatibility – Series differences affect available application memory (pre-Series E units have less). Always verify the firmware revision supports the PanelBuilder32 application version before loading.
PRO TIP: The real-time clock battery (2711-NB4 or equivalent) is often depleted on older surplus stock. Replace it on the bench; otherwise timestamps and data logs reset every power cycle.
Dynamic FAQ
Q: Is the 2711-T5A15 still available new from Rockwell? A: No. The entire PanelView Standard 550 family is discontinued. Functional New Surplus and refurbished units are the practical source for direct replacements.
Q: Does this model run on AC or DC power? A: The pure touch versions most commonly encountered (catalog numbers ending in L1) are 18–32 VDC only. Confirm the exact catalog suffix on the unit you receive.
Q: What software is required to edit or download applications? A: PanelBuilder32. Modern FactoryTalk View software will not open or convert the native application files.
Q: Can I expand the application memory? A: Yes. The terminal accepts ATA memory cards (catalog 2711-NM232 and compatible) for additional storage and application transfer.
Q: What warranty and authenticity documentation are provided with New Surplus or Refurbished stock? A: Units ship with functional test records, clear origin labeling (New Surplus or Refurbished), serial/revision documentation, and a standard parts-and-workmanship warranty.
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