ASKPCB ASSY 100-05258/E239218 K-3 94V-0 Board

Technical Dossier

Product Details And Specifications

ASKPCB ASSY 100-05258 Series Technical Notes

The ASKPCB ASSY 100-05258 series PCB assembly boards are deployed across heavy industrial control systems in chemical processing plants, oil refineries, nuclear power facilities, and large-scale manufacturing automation lines. These boards function as core logic and signal-processing substrates within distributed control system (DCS) and programmable logic controller (PLC) architectures. The UL 94V-0 flame-retardant rating confirms their suitability for environments with strict fire-safety compliance requirements. The E239218 engineering revision designation indicates a controlled-release production variant, commonly found in legacy DCS backplane assemblies where board-level replacement is the primary maintenance strategy.

ASSY 100-05258 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within or directly associated with the ASSY 100-05258 platform. Each entry reflects a distinct functional role within the control system architecture:

ASSY 100-05258/E239218 K-3 94V-0: Primary logic PCB assembly, UL 94V-0 rated, K-3 revision, mixed SMT/through-hole construction.
ASSY 100-05258/E239218 K-2 94V-0: Second-generation keeper circuit variant; predecessor to K-3, known latch-up risk above 55°C.
ASSY 100-05258/E239218 K-1 94V-0: Original production revision; discrete logic IC signal conditioning, limited thermal tolerance.
ASSY 100-05260/E239218 K-3 94V-0: Companion I/O expansion board; shares backplane bus standard with 100-05258.
ASSY 100-05261/E239220 K-2 94V-0: Analog input signal conditioning board; 4–20 mA loop-powered channel support.
ASSY 100-05262/E239221 K-1 94V-0: Digital output relay driver board; 24 VDC solid-state output configuration.
ASSY 100-05263/E239222 K-3 94V-0: CPU carrier board; hosts main processor module for DCS controller rack.
ASSY 100-05264/E239223 K-2 94V-0: Power distribution board; backplane 5 VDC and 24 VDC rail management.
ASSY 100-05265/E239224 K-3 94V-0: Communication adapter board; RS-485 and RS-232 dual-port interface.
ASSY 100-05266/E239225 K-1 94V-0: Redundancy switchover board; hot-standby controller failover logic.
ASSY 100-05267/E239226 K-2 94V-0: Fieldbus gateway board; PROFIBUS DP master interface for field device integration.
ASSY 100-05268/E239227 K-3 94V-0: Ethernet communication board; 10/100 Mbps industrial Ethernet port, DIN-rail mount.
ASSY 100-05269/E239228 K-1 94V-0: Watchdog timer and diagnostic board; system health monitoring and fault logging.
ASSY 100-05270/E239229 K-2 94V-0: Memory expansion board; SRAM and Flash storage extension for controller firmware.
ASSY 100-05271/E239230 K-3 94V-0: Isolated analog output board; 0–10 V and 4–20 mA configurable output channels.