ABB PP835 Modules

Technical Dossier

Product Details And Specifications

ABB PP835 Series: Comprehensive Module Range and Technical Overview

The ABB PP835 series is a line of operator panel (HMI) units developed under ABB's Industrial IT and System 800xA automation platform. These touch panel terminals are deployed extensively in heavy-process industries including petrochemical refineries, nuclear power generation facilities, pulp and paper mills, and offshore oil and gas platforms. The PP835 range serves as the primary human-machine interface layer in distributed control system (DCS) architectures built on ABB's Advant, MOD 300, and 800xA platforms. Their ruggedized construction, wide operating temperature tolerance, and compatibility with ABB's proprietary communication buses have made them a long-term fixture in critical infrastructure installations worldwide. Many sites running PP835 units have operational lifespans exceeding 15–20 years, making spare part availability and lifecycle support a primary procurement concern.

The Evolution of PP835 Architecture

The PP835 series emerged as part of ABB's transition from the Advant Master and MOD 300 control systems toward the unified System 800xA platform introduced in the early 2000s. Early PP835 units relied on serial communication interfaces (RS-232, RS-485) and proprietary ABB fieldbus protocols. Subsequent hardware revisions introduced Ethernet connectivity, expanded display resolutions, and compatibility with OPC-UA data exchange standards. The PP835A variant represents a mid-generation unit with a resistive touch interface, VGA-class display, and support for ABB's AF100 and PROFIBUS DP communication layers. Later variants in the broader PP8xx family (PP836, PP837, PP886) introduced capacitive touch, higher-resolution panels, and expanded memory. Sites running PP835-generation hardware face integration challenges when mixing with newer 800xA nodes due to firmware version dependencies and driver compatibility constraints. ABB officially transitioned support for early PP835 variants to extended lifecycle status, meaning hardware replacements are sourced through authorized spare parts channels rather than active production lines.

PP835 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the ABB PP835 operator panel family and closely related PP8xx HMI series used in 800xA and Advant-based DCS environments. Each unit is classified by its primary function and interface type.

PP835A: 12.1" resistive touch operator panel, 800xA/Advant compatible, Ethernet + serial I/O
PP835: Base operator panel unit, non-touch variant, VGA display, serial communication
PP836A: 15" resistive touch panel, enhanced display brightness, dual Ethernet ports
PP837: 17" operator panel, industrial-grade chassis, PROFIBUS DP interface
PP845: Compact 10.4" touch panel, panel-mount design, 800xA thin client mode
PP846A: 12.1" panel with integrated UPS module support, extended temperature range
PP865: 15" high-brightness touch panel, outdoor-rated enclosure option
PP886: 19" widescreen operator panel, capacitive touch, Windows Embedded OS
PP877: 17" operator panel, redundant power input, PROFINET support
PP825: 8.4" compact HMI, DIN-rail mountable, RS-485 and Ethernet
PP835B: Revised PP835A with updated firmware baseline and expanded USB ports
PP836B: Updated 15" panel with Windows CE 6.0 OS and OPC client support
PP880: 19" panel PC variant, x86 processor, full Windows OS, 800xA engineering station capable
PP885A: 15" panel with integrated CF card slot, legacy Advant bus adapter
PP895A: 21.5" widescreen touch panel, multi-touch capacitive, 800xA 6.x compatible
PP835-HMI-KIT: Replacement kit including panel, mounting hardware, and communication cables for PP835 series

Sourcing Hard-to-Find & Obsolete PP835 Parts

The PP835A and related early PP835 variants have been classified by ABB as mature/end-of-active-production hardware. Standard ABB distribution channels no longer carry new-build stock for these units. DriveKNMS maintains a dedicated inventory of tested PP835 series panels, sourced through controlled decommissioning projects, authorized surplus channels, and direct factory-refurbishment pipelines. For end users operating 800xA or Advant DCS installations with PP835 HMI nodes, DriveKNMS provides: verified replacement units with full functional test documentation, cross-reference support for identifying compatible substitute models (e.g., PP836A as a form-fit-function replacement for PP835A in most rack configurations), and long-term supply agreements for sites requiring multi-year maintenance coverage. All units are shipped with anti-static packaging, individual test reports, and optional third-party inspection certificates upon request.

Quality Control for the PP835 Range

PP835 series panels present specific quality verification challenges due to their integrated touch digitizer assemblies, backlight inverter circuits, and proprietary ABB communication firmware. DriveKNMS applies the following test protocol to all PP835 units prior to dispatch: (1) Visual inspection of chassis, connector pins, and display surface for physical damage or corrosion. (2) Power-on test confirming display initialization, backlight function, and OS boot sequence. (3) Touch calibration verification across the full active display area using a standardized grid test pattern. (4) Communication interface test: Ethernet port link negotiation, serial port loopback, and where applicable, PROFIBUS DP address response verification. (5) Firmware version identification and documentation, with notation of any known version-specific compatibility constraints relative to 800xA system versions. (6) Burn-in cycle: minimum 24-hour continuous operation under load to screen for latent component failures. Units that do not pass all six stages are quarantined and not offered for sale.