Products Description
XYCOM 81945F VME Embedded CPU Module

Technical Specifications
Model:81945F
Brand:XYCOM
Product type:VMEbus Embedded Real-time CPU Control Board
Power supply:+5V VME backplane power
Bus interface:Standard VMEbus,support VME master/slave communication
Form factor:Single-height VME card
Weight:0.25kg
Operating temperature:0℃ ~ +50℃
Storage temperature:-40℃ ~ +85℃
Relative humidity:5%~95%,non-condensing
Certification:CE,UL
System compatibility
81945F belongs to XYCOM legacy VME control board series.
It installs in VME chassis and cooperates with XVME series I/O modules.
Compatible with turbine,compressor and legacy DCS control systems via VME bus.
Commonly used for power plant,oil & gas,petrochemical old equipment maintenance and spare replacement.
Function
Serve as local embedded controller for VME rack,run real-time industrial control logic.
Integrated digital and analog I/O,complete field signal acquisition and output control.
High speed signal processing,real-time response for critical process control tasks.
Communicate with VME main CPU through backplane for data exchange and command interaction.
Onboard self-test for CPU core,I/O channels and VME bus interface fault inspection.
Installation
Power off VME chassis.
Insert 81945F card into empty VME slot,tighten front panel fixing screw.
Connect field sensor and actuator wiring to front terminal connector.
Power on chassis,run hardware self-test.
VME CPU scans bus,identifies the board and starts control operation.
Interface
VME P1 backplane connector,front I/O terminal connector,LED indicators:PASS,FAULT,RUN.
Feature
Single height VME embedded control board,integrated CPU plus mixed I/O design.
Industrial grade components,anti-vibration and anti-electromagnetic interference.
Real-time control architecture,suitable for turbine and process critical control loop.
VME master/slave dual mode,flexible configuration in VME system.
Discontinued obsolete VME control module,supply only for old production system spare replacement.
Vibration resistant PCB design,suitable for turbine control cabinet.
Diagnostic
FAULT LED on:CPU core failure or I/O channel damage;
Cannot be identified by CPU:check VME backplane contact and address jumper setting;
I/O signal abnormal:check field wiring,load condition and channel configuration.
Product Brief
XYCOM 81945F is legacy VMEbus embedded real-time CPU control board.
It implements local signal acquisition and real-time control for VME control rack,widely used as spare part for turbine and compressor control,petrochemical and power plant old DCS renovation.
Disclaimer
Product parameters are for reference only and shall not be used as pricing basis. Goods are in short supply and will be powered on for inspection before shipment. Overseas delivery lead time is 3-7 working days. The product is only used for equipment maintenance and transformation.