Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | PP846A |
| ABB Part Number | 3BSE042238R2 |
| Manufacturer | ABB |
| Product Family | Panel 800 |
| Product Type | Function-key HMI operator panel |
| Display Type | TFT color display |
| Display Size | 10.4 inches |
| Resolution | 800 × 600 pixels |
| Power Supply | 24 V DC nominal |
| Supply Range | 20–30 V DC |
| Serial Interfaces | RS232C and RS422/RS485 |
| Ethernet | Shielded RJ45 |
| USB | Type A host and Type B device |
| Memory Card Slot | CompactFlash Type I/II, as listed in product documentation |
| Front Protection | IP66 |
| Rear Protection | IP20 |
| Installation | Panel-mounted |
| Configuration Software | Panel Builder 800 Version 5 |
| Certification Note | ABB catalog documentation states that this version does not have UL 1604 certification |
The specifications above are based on ABB product catalog and installation-related documentation. Check the applicable manual before relying on dimensions, environmental limits, or interface details for a specific installation.
Product Overview
The ABB PP846A 3BSE042238R2 is a Panel 800 human-machine interface (HMI) designed to provide a local operator interface for compatible industrial automation systems. Its 10.4-inch TFT color display presents configured graphics and text, while the physical function keys allow operators to access frequently used screens and commands. The panel serves as an operator interface, not as a standalone PLC or process controller; control logic and system behavior depend on the connected equipment and configured application.
This version is identified in ABB’s Panel 800 Version 5 catalog as having updated CPU and power boards. ABB documentation also specifies Panel Builder 800 Version 5 for configuration. For maintenance teams, this means replacement planning should account for the original project files, engineering software version, panel hardware revision, and communication settings. A panel that fits the same cutout may still require project migration or configuration checks before it can be returned to service.

PP846A 3BSE042238R2
The panel provides Ethernet, RS232C, RS422/RS485, and USB connections, along with a CompactFlash slot identified in product documentation. These interfaces support the connection and servicing arrangements defined by the application, but the actual protocol, port assignment, and communication parameters must be checked against the project configuration. The listed front protection rating is IP66, while the rear is IP20; the rear of the panel therefore requires suitable enclosure protection.
When sourcing the PP846A 3BSE042238R2, verify the full part number rather than relying on the PP846 family name alone. ABB identifies this R2 version as a replacement for the earlier PP846 part number 3BSE042238R1, but differences in hardware and software requirements should be reviewed before exchanging units.
Major Features and Advantages
1. Local operator interface
The PP846A provides a dedicated panel for viewing configured process graphics and text. Depending on the application project, this can give operators access to equipment status, process values, operating screens, and alarms without requiring a separate desktop workstation at the machine or control cabinet.
2. Physical function keys
The function-key design provides direct access to configured commands or screens. The specific behavior of each key depends on the application project; do not assume that a key has a universal start, stop, or acknowledgment function across installations.
3. Multiple connection interfaces
Ethernet, RS232C, and RS422/RS485 interfaces provide options for connecting the panel to compatible control equipment and peripheral devices. The correct interface and protocol depend on the installed system. Before replacement, record the existing cable connections, serial settings, network configuration, and any project-specific port assignments.
4. Panel 800 engineering environment
ABB documentation identifies Panel Builder 800 Version 5 as the required configuration environment for this model. Existing project files should be backed up and checked for compatibility before a panel is exchanged. Do not assume that a project created for another Panel 800 model will transfer without changes.
5. Defined enclosure protection
The documented IP66 front rating supports installation where the panel face may be exposed to dust and water jets under the conditions covered by that rating. The rear is rated IP20, so the installation enclosure and cable-entry arrangement must protect the rear of the panel appropriately. These ratings do not mean the complete assembly is suitable for immersion or every hazardous environment.
6. Hardware revision identification
The 3BSE042238R2 part number distinguishes this version from the earlier 3BSE042238R1. The R2 version is described as having new CPU and power boards. Matching the exact revision helps avoid ordering an older or differently configured panel when the maintenance specification calls for this version.
Applications
The ABB PP846A 3BSE042238R2 is suited to applications where a compatible Panel 800 HMI is specified in the equipment design or existing system documentation. Typical use cases include:
- Local equipment operation: Providing an operator station for machinery or process equipment using a configured Panel 800 application.
- Process visualization: Displaying configured graphics, text, operating status, and process values supplied by the connected automation system.
- Maintenance and troubleshooting: Giving technicians access to the configured screens and diagnostics available through the application.
- Panel replacement projects: Replacing an installed PP846A when the part number, hardware revision, and project compatibility have been confirmed.
- Legacy automation support: Maintaining an existing installation built around Panel 800 Version 5 engineering tools and associated project files.
The exact functions available to operators depend on the application created for the panel. The HMI should not be assumed to contain process-control logic, I/O channels, or protection functions simply because it is connected to a DCS or PLC. Those functions are determined by the connected control system and its configuration.
Before purchasing for a live plant, confirm whether the installation uses Ethernet or serial communications, whether the existing project can be restored using the available engineering software, and whether any special certification is required. ABB’s catalog notes that the R2 version does not have UL 1604 certification; this should be reviewed if the intended installation has specific hazardous-location approval requirements.
Related Products
| Model / Part Number | Relationship |
|---|---|
| PP846 — 3BSE042238R1 | Earlier version; verify hardware and project compatibility before substitution. |
| PP836A — 3BSE042237R2 | Another Panel 800 function-key panel, with a smaller display. |
| PP826A — 3BSE042244R3 | Panel 800 function-key panel with a smaller display. |
| PP820A — 3BSE042243R2 | Panel 800 monochrome function-key panel. |
| RX846 Key Cover | Protective accessory identified in ABB’s catalog for the panel face. |
| Panel Builder 800 Version 5 | Engineering software specified for configuring the panel. |
These items are related by product family or configuration workflow; they are not necessarily direct replacements for the 3BSE042238R2.
Installation and Maintenance
Before replacing the ABB 3BSE042238R2, document the installed part number, project version, communication settings, and cable connections. Back up the original HMI project and confirm that the available Panel Builder 800 Version 5 environment can support the required configuration. If the existing panel is still operational, record important settings and screen behavior before removing it.
Isolate the panel’s power supply and follow the plant’s electrical safety procedures before disconnecting wiring. Verify the nominal 24 V DC supply and confirm that the actual supply remains within the documented 20–30 V DC range. Check the panel cutout, mounting hardware, connector condition, and rear clearance against the applicable installation manual.
After mounting, reconnect the interfaces according to the original drawings and restore the approved application project. Verify network addressing or serial communication settings before connecting the panel to the live control system. Test display operation, function keys, screen navigation, alarms, and operator commands under the site’s commissioning procedure. Confirm that commands reach the intended control system and that critical operating indications are displayed correctly.
Keep the rear of the panel protected within the enclosure because its documented IP20 rating is lower than the IP66 front rating. Do not assume that the unit can be exchanged without software checks or operational testing.
Product Assurance
For the ABB 3BSE042238R2, procurement verification should cover the full part number, hardware revision, physical condition, and included mounting or accessory items. Request photographs of the actual panel label and connectors when possible, especially when replacing a legacy HMI.
The supplier should clearly identify whether the unit is new, unused surplus, refurbished, or used. Any testing statement should describe the work actually performed, such as power-up, display checks, function-key checks, or interface testing. A visual inspection alone does not prove that the panel can load the required project or communicate correctly with the installed controller.
Before dispatch, confirm that the configuration software and project files available at the site are suitable for the R2 version. Review the UL 1604 certification limitation against the installation’s requirements, rather than assuming certification from the brand or product family.
The 3BSE042238R2 is identified in ABB documentation as a Panel 800 operator panel with a 10.4-inch color display and function keys. Final acceptance should depend on exact part-number verification, project compatibility, and documented functional checks—not merely on a matching external appearance.
