Ethernet: 2 × RJ45 (10/100 Mbps), supports TCP/IP, Modbus TCP and Ethernet/IP

Serial Ports: 1 × RS-232 (service port), 1 × Isolated RS-485 (Modbus RTU)

Fieldbus: Expandable to PROFIBUS DP and FOUNDATION Fieldbus HSE

I/O Expansion: S800 I/O bus, supporting over 2000 DI/DO points and 512 AI/AO points at maximum

Others: LED status indicators, RUN/STOP switch, SD card slot (Max. 32GB), backup battery

Control Capability: Compliant with all IEC 61131-3 languages (LD/FBD/ST/SFC), applicable to complex loop control and batch control.

Real-time Performance: Minimum cycle time is 0.5 ms; Scanning 1000 instructions takes approximately 0.5~1 ms.

Data Processing: Supports 2048 DI/DO points and 512 AI/AO points, expandable to ten-thousand-point level.

Communication Protocols: Modbus TCP/RTU, PROFIBUS DP, Ethernet/IP, IEC 61850, OPC UA.

High Availability: Hot standby redundancy, built-in hardware diagnosis, event logging, online modification and hot-swappable I/O.

Process Industry: Main controller for DCS in chemical plants, oil & gas gathering and transmission, large-scale water treatment and pharmaceutical industries.

Power & Energy: Integrated substation automation, wind/PV power stations, energy storage systems, main control for boilers and steam turbines.

Smart Manufacturing: Control for automotive welding and painting production lines, papermaking, printing, large packaging lines, textile and chemical fiber industries.

Infrastructure: Automation for large HVAC systems, data centers, rail transit, airports and ports.

High-end OEM: Control for large extruders, injection molding machines, metallurgical equipment and marine automation systems.

Positioning: PM802F (Compact type for small and medium-sized systems); PM861K01 (High-performance type for medium and large-scale systems); PM858K02 (High-reliability SIL3 redundant system).

Performance: PM802F (400MHz/4MB) < PM861K01 (800MHz/16MB) < PM858K02 (Dual CPU redundancy).

I/O Scale: PM802F supports no more than 512 points; PM861K01 supports over 2000 points; PM858K02 supports ten-thousand-point systems.

Redundancy: PM802F and PM861K01 support hot standby; PM858K02 adopts dual CPU hardware redundancy (SIL3).