Description
1. Product Overview
Allen‑Bradley 2711‑T9C9 is a 9‑inch color‑touch industrial human‑machine interface from Rockwell Automation PanelView 900 Standard series. As an early‑generation classic industrial HMI terminal, it is mainly used for equipment operation interaction, production status monitoring, alarm notification, process parameter configuration and on‑site data printout. Widely matched with legacy Rockwell Automation PLC control systems, it is deployed in traditional manufacturing, metallurgy, water treatment, packaging machinery, legacy production lines and other industrial sites. Built with TFT color LCD, resistive touch and reinforced panel embedded structure, it supports DH‑485 serial communication and printer interface for cabinet embedded installation. It serves for maintenance replacement and spare‑part supply of existing equipment. This model is end‑of‑life by OEM and mostly used for repair and spare‑part replacement of installed base units.
2. Functional Features
2.1 9‑inch Color TFT Display for On‑Site Process Screen Monitoring
Equipped with 9‑inch active‑matrix TFT color LCD at 640×480 resolution. It displays process flow, equipment status, parameters, alarm messages and trend data. Adopting CCFL backlight architecture, it fits indoor workshop environments, realizes visual monitoring of equipment operating status and meets display requirements of traditional industrial configuration screens.
2.2 Resistive Touch Input Adapted to Industrial On‑Site Operation
Industrial resistive touch unit with total 384 touch cells (24 columns × 16 rows). It supports bare‑finger, gloved‑hand and stylus operation, and adapts to workshop environments with dust and minor oil contamination. It enables screen switching, parameter modification, alarm acknowledgement and other on‑site operations. With strong anti‑interference performance, it fits high‑frequency on‑site operation scenarios.
2.3 Dual RS‑232 Serial Ports for PLC Communication and On‑Site Printing
Two independent RS‑232 interfaces are configured. One implements DH‑485 protocol communication to connect legacy Rockwell Automation PLCs; the other serves as printer port for connecting serial printers to output alarms and production reports for on‑site hard‑copy record‑keeping.
2.4 Wide‑Range AC Power Input for Industrial Grid Fluctuations
Supports 85‑264 VAC wide‑range AC input, 47‑63 Hz. It withstands on‑site voltage fluctuation, voltage drop and harmonic interference. Built‑in power‑supply filtering reduces equipment anomalies caused by grid disturbance and ensures continuous on‑site operation. Maximum power consumption is 110 VA.
2.5 Industrial‑Grade Environmental Adaptability for Workshop Cabinet Conditions
Operating temperature ranges from 0 ℃ to 55 ℃ with wide‑range storage temperature. Designed for cabinet‑embedded mounting. The panel shall be installed inside cabinets meeting NEMA 12/13 and 4X protection ratings to resist dust and humidity inside enclosures and support non‑stop production.
2.6 PanelBuilder32 Configuration Software for Project Development and Commissioning
PanelBuilder32 software is used for screen configuration, alarm setup, tag association and program download. Units of Revision E and later offer application memory up to 1008 KB for multiple screens, alarms and recipe projects to satisfy HMI engineering requirements of medium‑and‑small‑sized equipment. Without Ethernet port, program download is only available via serial connection.
3. Technical Specifications
3.1 Basic Specifications
Part Number: 2711‑T9C9；Brand & Manufacturer: Allen‑Bradley (Rockwell Automation)；Product Series: PanelView 900 Standard；Product Type: Industrial Touch‑Screen HMI；Core Functions: Equipment operation, parameter setting, status monitoring, alarm management, on‑site printing；Compatible Controllers: Rockwell Automation DH‑485‑protocol‑based PLCs；Product Lifecycle: OEM end‑of‑life, used as spare parts for installed‑base maintenance.
3.2 Display Specifications
Screen Size: 9‑inch color TFT LCD；Active Display Area: 171 mm × 130 mm；Resolution: 640×480；Backlight Type: CCFL cold‑cathode fluorescent backlight；Display: Color display；Configuration Software: PanelBuilder32.
3.3 Touch‑Screen Specifications
Touch Technology: Resistive touch；Touch Cells: 384 points (24 columns × 16 rows)；Supported Operation: Bare‑hand, insulated‑glove, stylus；Applicable Conditions: Industrial sites with dust and minor oil contamination；Mounting Form: Cabinet embedded mounting.
3.4 Communication & Memory Specifications
Communication Interfaces: RS‑232 (DH‑485); RS‑232 (printer port)；Application Memory: 1008 KB for Revision E and later versions; 240 KB for versions prior to Revision E；Program Download: Serial‑port download；External Function: Supports serial printer for report and alarm‑record output.
3.5 Electrical Specifications
Input Voltage: 85‑264 VAC, 47‑63 Hz；Maximum Power Consumption: 110 VA；Power Supply: AC power；Electrical Protection: Tolerates industrial grid fluctuation and harmonic interference；Note: Ethernet and USB interfaces are not supported.
3.6 Environmental & Mechanical Specifications
Operating Temperature: 0 ℃ ~ 55 ℃；Storage Temperature: ‑20 ℃ ~ +70 ℃；Mounting Method: Cabinet embedded mounting；Panel Protection: NEMA 12/13, 4X rating achieved by matched enclosure；Approximate Unit Weight: 3.6 kg；Firmware Version Range: 1.00‑4.48；Hardware Revisions: A/B/C/D/E/F.
4. Hardware Configuration & Structural Advantages
4.1 Mature and Reliable Legacy HMI Hardware Architecture
PanelView Standard represents Rockwell Automation’s classic first‑generation HMI. Its proven hardware architecture has been field‑validated by massive installed‑base units. Suitable for legacy automation systems, it features simple logic and low failure rate to fulfill basic monitoring and operation requirements.
4.2 Dual Serial‑Port Design for Both Control Communication and Print Output
One serial port is dedicated for PLC data exchange while the independent second serial port handles printing without resource contention. It satisfies field requirements for hard‑copy reports and alarm logging widely seen on older equipment.
4.3 Resistive Touch Optimized for Harsh Factory Operating Conditions
Resistive touch is immune to static electricity, dust and minor oil stains. Operators can perform operations with gloves. It conforms to conventional workshop operation habits and suits on‑site commissioning and daily equipment operation.
4.4 Wide‑Range AC Power Supply with High On‑Site Power‑Supply Fault Tolerance
85‑264 VAC wide AC input delivers strong adaptability to voltage fluctuations. It maintains stable operation even in older workshops with unstable power quality.
4.5 Standard Embedded Cutout for Direct Replacement of Installed‑Base Equipment
Fixed cabinet‑embedded cutout dimension allows direct replacement within the same product series. It facilitates spare‑part change‑out for faulty legacy equipment and reduces cabinet‑rework workload.
5. Application Scenarios
- Matching for Traditional Machinery: Packaging machinery, textile equipment, injection‑molding machines and special‑purpose processing equipment for parameter setting, operation monitoring and alarm review.
- Maintenance of Legacy Production Lines and Installed‑Base Automation Systems: Spare‑part replacement for faulty HMIs paired with legacy Rockwell Automation PLCs (e.g. SLC‑500) to restore human‑machine operation functions.
- Water‑treatment, HVAC and Small‑Scale Process‑Control Sites: Small‑scale process monitoring and alarm management, with serial printer for on‑site data logging and printout.
- Industrial Sites such as Metallurgy and Conveyor Lines: Cabinet‑embedded installation inside workshop enclosures for equipment start‑stop operation and status supervision.
- Industrial‑Equipment Retrofit Projects: Retain original control system of legacy equipment, only replace faulty HMI terminal without modifying PLC control programs.
