Component Snapshot At-a-Glance
- Model: PP800 (Panel 800 family, no unique P/N)
- Alt. P/N: PP820 (3BSE003641R1), PP846 (3BSE018135R1)
- Product Series: ABB Panel 800 (legacy V4/V5)
- Hardware Type: Compact industrial HMI (function-key or touchscreen)
- Key Feature: Rugged aluminum housing, IP65 front, multi-protocol comms
- Primary Field Use: Small-to-mid process monitoring, local control, alarm annunciation.
Hard-Numbers: Technical Specifications (Typical for PP820/PP846)
- Protocol Support: Modbus RTU/TCP, ABB CS31, Profibus DP, Ethernet TCP/IP
- Port Count: 1×RJ45 Ethernet, 1–2×RS-232/485, 1×USB (varies by submodel)
- Baud/Data Rate: 10/100 Mbps Ethernet; up to 115.2 kbps serial
- Operating Temperature: 0°C to +50°C (standard); -10°C to +60°C (extended)
- Isolation Rating: 1500V AC on comms/power ports
- Power Draw: 24 VDC (±20%), 8–15 W typical
- Display (PP820): 2×16 char FSTN LCD, backlit
- Display (PP846): 10.4” TFT, 800×600 SVGA, LED backlight
- Protection: IP65 front, IP20 rear; die-cast aluminum
- Memory: 64 MB RAM, 128 MB Flash (PP846)
- Hot Swap: Not supported; power down before removal.
The Real-World Problem It Solves
Early 2000s plants needed low-cost, durable HMIs smaller than full workstations. (Panel 800) filled the gap between basic displays and expensive operator stations.
Where you’ll typically find it:
- Older power plant boiler/auxiliary control cabinets
- Refinery satellite process units and local control stations
- Water treatment plants and pulp & paper machine sections
It’s simple, reliable, and fits standard cutouts—ideal for legacy system retrofits.
Hardware Architecture & Under-the-Hood Logic
Panel 800 units use a dedicated 32-bit RISC processor for display, I/O, and comms. Isolation between field ports and core logic cuts EMI from VFDs and motors.
- Inputs (keys/touch) are scanned and sent to the main processor.
- Processor polls AC800M/PLC via serial/Ethernet for process data.
- Incoming values, alarms, and trends are buffered in RAM.
- Display driver updates LCD/TFT with live data and graphics.
- Operator commands are encoded and transmitted back to the controller.
- Isolation barriers suppress voltage transients from field devices.
Field Service Pitfalls: What Rookies Get Wrong
Techs order “” and get wrong or no part—there’s no such SKU.
- Field Rule: Always specify submodel: PP820 (keys) or (10.4” touch).
Mismatching Legacy Firmware with New 800xAOld firmware (V4.x) won’t communicate with 800xA V6.x—comms timeouts.
- Quick Fix: Flash firmware to V5.1 or later; use Panel Builder 800 V6.
Over-Tightening Gasketed Front BezelOlder bezels warp easily—over-torquing breaks IP65 seal, lets moisture in.
- Field Rule: Torque to 0.6–0.8 Nm; use spring washers in high-vibration areas.
Commercial Availability & Pricing Note
Please note: The listed price is for reference only and is not binding. Final pricing and terms are subject to negotiation based on current market conditions and availability.






