XYCOM XVME-212 Digital Input Module

Technical Specifications

Model:XVME-212

Brand:XYCOM

Product type:VMEbus 32 Channel Opto-Isolated Digital Input Module

Power supply:+5V VME backplane power

Bus interface:Standard VMEbus,slave communication,support VME interrupt

Form factor:Single-height VME card

Weight:0.33kg

Channel quantity:32 opto-isolated digital input channels

Max input frequency:3.4kHz

Isolation voltage:300VDC optical isolation

Input protection:Reverse voltage protection,max 50VDC reverse bias

Onboard function:8 selectable debounce intervals,programmable input scanner

Version option:XVME-212/1 (with onboard isolated 12V supply);XVME-212/2 (no onboard 12V supply)

Operating temperature:0℃ ~ +50℃

Storage temperature:-40℃ ~ +85℃

Relative humidity:5%~95%,non-condensing

Certification:CE,UL

System compatibility

XVME-212 belongs to XYCOM XVME series digital input module.

It installs in XYCOM VME chassis and cooperates with XVME series CPU and 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

Field discrete switch signal acquisition for VME control rack.

32 opto-isolated digital input channels,receive relay contact,switch and digital sensor status.

Built-in hardware signal debounce circuit,eliminate switch bounce interference.

Onboard programmable scanner,generate VME interrupt automatically once input state changes,no continuous CPU polling required.

Real-time transmit switch status data to main CPU over VME backplane.

Onboard self-test for input channel,optocoupler circuit,data bus and VME bus interface fault inspection.

Installation

Power off VME chassis.

Insert XVME-212 card into empty VME slot,tighten front panel fixing screw.

Set base address and debounce time via board jumpers and switches.

Connect field contact signal wiring to front JK 50pin ribbon connector.

Power on chassis,run hardware self-test.

VME CPU scans bus,identifies the board and starts digital input sampling.

Interface

VME P1 backplane connector,50pin JK ribbon cable terminal,LED indicators:PASS,FAULT.

Feature

Single height VME opto-isolated digital input board,XYCOM XVME series.

32 channels optical isolation,separate field circuit and VME backplane to improve anti-interference.

Hardware switch debounce with 8 configurable time settings.

State-change triggered interrupt,reduce CPU system load.

Two hardware variants for different field power requirements.

Input reverse voltage protection,safeguard against wrong wiring.

VME slave interface,easy plug-in installation.

Discontinued obsolete VME module,supply only for old production system spare replacement.

Vibration resistant PCB design,suitable for turbine control cabinet.

Diagnostic

FAULT LED on:opto-coupler channel damage or VME bus communication failure;

Cannot be identified by CPU:check VME backplane contact and base address switch setting;

Signal reading unstable:adjust debounce parameter,check field contact and shielding grounding;

Interrupt no trigger:verify interrupt level jumper and input signal change.

Product Brief

XYCOM XVME-212 is legacy VMEbus 32-channel opto-isolated digital input module.

It collects discrete switch and relay contact signals 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.