Description
KEY FEATURES AND BENEFITS • From the Vibro-Meter® product line • Signal interface card with 4 dynamic signalinputs and 2 tachometer (speed) inputs, for theMPC4 machinery protection card • Screw-terminal connectors (48 terminals) for allinput/output connections • Contains 4 relays which can be attributed toalarm signals, under software control • 32 fully-programmable open-collector outputs(jumper selectable) to IRC4 and RLC16 relaycards • Buffered “raw” sensor signals and analogoutput signals (voltage or current) for vibrationchannels • EMI protection for all inputs and outputs • Live insertion and removal of cards(hot-swappable) • Available in “standard” and “separate circuits”versions
The IOC4T input /output card acts as a signalinterface for the VM600 series MPC4 machineryprotection card, from Meggitt’s Vibro-Meter®product line. It is installed in the rear of a VM600rack and connects directly to the rack backplanevia two connectors.
Each IOC4T card is associated with acorresponding MPC4 card and is mounteddirectly behind it in the VM600 rack (ABE04x orABE056). The IOC4T operates in slave mode andcommunicates with the MPC4, throughconnector P2, using an Industry Pack (IP)interface.
The front panel of the IOC4T (rear of the VM600rack) contains terminal strip connectors for wiringto the transmission cables coming frommeasurement chains (sensors and /or signalconditioners). The screw-terminal connectors arealso used to input all signals from and output allsignals to any external control system.
The IOC4T card protects all inputs and outputsagainst electromagnetic interference (EMI) andsignal surges and also meets electromagneticcompatibility (EMC) standards.
The IOC4T connects the raw dynamic (vibration)and speed signals from the sensors to the MPC4.These signals, once processed, are passed backto the IOC4T and made available on the terminalstrip on its front panel (rear of VM600). For thedynamic signals, four on-board digital-to-analogconverters (DACs) provide calibrated signaloutputs in the range 0 to 10 V. In addition, four onboard voltage-to-current converters allow thesignals to be provided as current outputs in therange 4 to 20 mA (jumper selectable). The IOC4T contains four local relays that can beattributed to any specific alarm signals undersoftware control. For example, these may be usedto signal an MPC4 fault or a problem detected bya common alarm (Sensor OK, Alarm and Danger)in a typical application. In addition, 32 digital signals representing alarmsare passed to the rack backplane and may beused by optional RLC16 relay cards and / or IRC4intelligent relay cards mounted in the rack(jumper selectable).
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands
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