ABB CP650 Series Operator Panels – CP650 B2

Technical Dossier

Product Details And Specifications

ABB CP650 Series Technical Notes

The ABB CP650 series is a line of operator interface terminals (OIT) developed by ABB for deployment in heavy industrial environments including chemical processing plants, nuclear power facilities, oil refineries, and pulp & paper mills. Designed to integrate natively with ABB's AC500 PLC platform and compatible with third-party Modbus/TCP and PROFIBUS networks, the CP650 series occupies a defined position in ABB's human-machine interface (HMI) portfolio as a mid-range, panel-mount operator terminal. Units in this series are characterized by resistive or capacitive touchscreen displays ranging from 3.5" to 15", onboard Ethernet connectivity, and support for ABB's Automation Builder engineering environment. The CP650 range is widely installed across EMEA and Asia-Pacific industrial sites where ABB AC500 infrastructure is the primary control architecture.

The Evolution of CP650 Architecture

The CP650 series was introduced as a successor to ABB's earlier CP600 operator panel line, which relied on RS-232/RS-485 serial communication and lacked native Ethernet support. The CP650 generation introduced 10/100 Mbit Ethernet as standard, enabling direct integration with AC500 CPUs via the Modbus TCP protocol without requiring additional communication adapters. Early CP650 variants (B1 hardware revision) shipped with Windows CE 6.0 as the embedded OS and used a resistive single-touch display. The B2 hardware revision — represented by the CP650 B2 SKU — introduced an updated display controller, revised backlight assembly, and firmware compatibility with Automation Builder 2.x and later. Subsequent firmware releases extended protocol support to include PROFINET IO client functionality on select models. As of 2024, the CP650 series is classified by ABB as a mature product line; active production continues for select high-runner models, while lower-volume variants have transitioned to last-time-buy or obsolete status. Sites running CP650 hardware should plan lifecycle extensions through certified spare parts sourcing, as direct replacements within the AC500 ecosystem are the CP600 Pro series.

CP650 Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified CP650 series product range. Models are categorized by display size and hardware revision. Each entry reflects a distinct orderable part number within ABB's catalog.

CP651 B: 3.5" STN color display, 320×240 px, Modbus TCP, AC500 native
CP651 WEB: 3.5" display with integrated web server for remote monitoring
CP655 B: 5.7" TFT color display, 640×480 px, Ethernet, USB host port
CP655 WEB: 5.7" display variant with web server and VNC remote access
CP657 B: 7" widescreen TFT, 800×480 px, dual Ethernet ports, SD card slot
CP657 WEB: 7" display with web server, PROFINET IO client support
CP660 B: 10.4" TFT display, 800×600 px, fanless design, IP65 front panel
CP660 WEB: 10.4" display with integrated OPC UA server capability
CP661 B: 12.1" TFT display, 800×600 px, extended temperature range variant
CP665 B: 15" TFT display, 1024×768 px, high-brightness panel for outdoor enclosures
CP650 B2: Standard operator panel, updated B2 hardware revision, Automation Builder 2.x compatible
CP651 B2: 3.5" B2 hardware revision with revised backlight and display controller
CP655 B2: 5.7" B2 hardware revision, improved EMC compliance rating
CP657 B2: 7" B2 hardware revision, updated firmware stack, PROFINET client
CP660 B2: 10.4" B2 hardware revision, extended OS support lifecycle
CP665 B2: 15" B2 hardware revision, high-brightness display, dual Ethernet
1SAP500900R0001: ABB catalog number for CP651 B base unit
1SAP500910R0001: ABB catalog number for CP655 B base unit
1SAP500920R0001: ABB catalog number for CP657 B base unit