General Information

Core Description

Designed for space-optimized machinery monitoring, the 2711P-T4W22D8S is an Allen-Bradley PanelView Plus 7 Standard operator interface terminal featuring a 4.3-inch widescreen color TFT LCD display. This chassis-resident device includes dual integrated 10/100Base-T Ethernet ports linked to a single IP address, supporting high-availability Device Level Ring (DLR), linear, or star network topologies. It provides an optimized 480 x 272 WQVGA viewing area running on a Windows CE operating system, allowing operators to monitor and interact with automated processes safely without requiring bulky control panel footprints.

Specific Application

• Local Machine Interface (HMI): Visualizing and managing continuous state tracking for single standalone machines (e.g., small industrial fans, high-speed gearboxes, compact packaging units).
• High-Availability Ring Networking: Connecting into device-level industrial ring environments to monitor processing variables while utilizing built-in network media redundancy.

Ordering Information

System Compatibility

• System Compatibility: The 2711P-T4W22D8S connects to 1 controller, up to 100 screens, and up to 500 alarms on an EtherNet/IP network. It natively monitors and controls devices attached to ControlLogix 5570 and CompactLogix 5370 controllers. Configuration is executed via FactoryTalk View Studio for Machine Edition (version 8.0 or later), and it hosts one pre-installed license for remote browser-based control through FactoryTalk ViewPoint (version 2.6 or later). The physical terminal runs on a nominal 24V DC input (18…30V DC) and mounts into panels with NEMA/UL Type 12, 13, 4X, IP54, or IP66 ingress ratings.
• Direct Application Alternates: 2711P-T4W21D8S (Single Ethernet Port Variant) and 2711P-T4W22D8S-B (Branding-Free Dual Ethernet Variant).
• Key Differences from Alternates (2711P-T4W22D8S vs. T4W21D8S / T4W22D8S-B):
• Network Topology Support: The 2711P-T4W22D8S features two 10/100Base-T ports supporting DLR, star, or linear ring configurations, providing media fault tolerance. In contrast, the 2711P-T4W21D8S provides only a single 10/100Base-T port with IEEE 1588 support, limiting its connection strictly to linear or star layouts without network ring recovery.
• Brand Markings: The standard 2711P-T4W22D8S comes stamped with official Allen-Bradley brand markings on the front bezel. The 2711P-T4W22D8S-B is a specialty variant carrying no faceplate markings, designed exclusively for original equipment manufacturers (OEMs) who want to apply custom private labels over the display frame.

Installation & Troubleshooting FAQ

Q1: What are the application limits regarding controllers and alarms for a 2711P-T4W22D8S?

A: This terminal belongs to the PanelView Plus 7 Standard line, which carries fixed software architecture constraints. Your runtime application file must be built to interface with a maximum limit of exactly 1 controller, up to 100 graphic screens, and up to 500 distinct alarms. Attempting to load a project that maps to a second controller or exceeds these configuration caps will result in communication faults during deployment.

Q2: The bicolor status indicator on my 2711P-T4W22D8S is flashing green. What does this mean?

A: A flashing green status indicator indicates the hardware is healthy but waiting for an active operational state due to one of three specific reasons: 1) The terminal configuration word is currently set to zero (such as a fresh power-up reset state before an application starts), 2) The 24V DC external user power supply is running out of spec or off, or 3) The operating system is resting in configuration mode. If the light turns solid red, the unit failed its initial hardware test and you must cycle power to force a hardware reset.

Q3: What are the electrical arc hazards when managing memory cards or cables on this terminal in gas zones?

A: The 2711P-T4W22D8S is certified for ATEX, IECEx, and INMETRO Zone 2 and 22 hazardous environments. Because inserting or removing the module, wiring, or SD cards while power is applied can generate an electric arc, you must ensure that all input power has been disconnected or the area is known to be completely nonhazardous before opening enclosure panels to perform maintenance or swaps to prevent explosion hazards.

Q4: Can I replace the backlight on my 2711P-T4W22D8S if the display goes dark or dim?

A: No. The terminal uses a color TFT LCD display with a backlight life rated for a minimum of 50,000 hours at 40 °C before reaching half-brightness. Crucially, the backlight is not replaceable; if the backlight element degrades or suffers a component failure, the entire front screen assembly must be replaced to restore display functionality.

Q5: My 2711P-T4W22D8S lost its program data and clock settings after a power outage. How do I fix this?

A: This issue points directly to a depleted real-time clock backup coin cell battery. The terminal relies on an internal battery to maintain time accuracy within 2 minutes per month and preserve system states. To fix this, open the rear battery bay door and swap out the old cell with a fresh CR2032 lithium coin cell utilizing Allen-Bradley part number 2711P-RY2032. Ensure the chassis power is disconnected during this replacement procedure.

Certification

• UL Listed Hazardous
• Korean KC
• CE
• ODVA
• Australian RCM
• UL Listed
• ATEX
• Brazil INMETRO
• China CCC
• IECEx Scheme
• This product was certified with the above certifications as of {}. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.