32-Channel Form Factor Surge Protected Interface Board VMIVME-1111 Boa

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32-Channel Form Factor Surge Protected Interface Board VMIVME-1111 Boa

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VMIVME-3451
32-Channel Form Factor Surge Protected Interface Board VMIVME-1111 Board
Meets ANSI/IEEE C37.90.1-1989 surge withstand capability (SWC) form factor permits installing board standard
VMEbus chassis
Cables directly VMIVME-1111 digital input board Provides optical isolation 1,000 APPLICATIONS Isolated data acquisition systems Nuclear power plant monitoring Isolated control systems
FUNCTIONAL CHARACTERISTICS INTRODUCTION VMIVME-3451 accepts discrete wire inputs Harting shell connector cable, provides Surge Withstand Capability (SWC) each input, adds optical isolation each input, provides mass-terminated cable output board such VMIVME-1111 digital input. Each input line protected with transient suppressing diode capable withstanding 3,000 decaying sine wave 5,000 pulse stated specification. Each input common also protected from Surge Return 1,000 spark gap. Figure shows typical channel surge protection board. Figure shows VMIVME-3451 fits system. field wiring routed board input connector discrete wire cable terminated connector) which provided front panel VMIVME-3451. Each channel then routed surge protection circuitry then output connector mass-terminated discrete wire cable terminated connectors. When connected input connector (such VMIVME-1111) digital input board, board will have optical isolation added signal inputs. VMEbus Compliance: This board electrical connection VMEbus backplane, does pass daisy chain signals (IACK, BUSGRANTS). ELECTRICAL CHARACTERISTICS rated power supplies unless otherwise noted.) Inputs: Thirty-two; differential with common wetting voltage shared adjacent channels (CH0, CH1.). (See Table External Voltage Threshold Table.) Surge Withstand Capability: Meets ANSI/IEEE C37.90.1-1989 Surge Withstand Capability (SWC) Oscillatory: This specification uses 3,000 decaying sine wave. sine wave initial voltage within This burst repeated VMIC 12090 South Memorial Parkway Huntsville, Alabama 35803-3308
every period seconds. output impedance source Pulse: This specification uses 5,000 pulse with rise time decaying initial voltage within This pulse repeated every period seconds. output impedance source during initial rise time. Isolation Voltages: Field-to-VMEbus Signals: 1,000 Adjacent Channel: 1,000 Interchannel Crosstalk Rejection: minimum
Ordering Options April 1995 800-003451-000 VMIVME-3451
(Options reserved future use) External Wetting Voltage 1=5V
Connector Data Mass-Terminated Connector Data
Board Connector Cable Connector Connector Shell Housing Panduit 120-964-033A ERNI 913-031 Harting 0501
Connector Data Discrete Wire Input Connectors
Mating Connector Female Crimp Contacts* Connector Shell Housing Board Connector 925486-1 530151-6 Harting 0501 Panduit 120-964-033A
crimp tool part number 90301-2.
Ordering Information, Call: 1-800-322-3616 1-256-880-0444 (256) 882-0859 E-mail: info@vmic.com Address: www.vmic.com Copyright November 1992 VMIC Specifications subject change without notice.
VMIVME-3451 PHYSICAL/ENVIRONMENTAL Dimensions: Standard form factor single width board (160 233.5 Temperature: operating range storage range Relative Humidity: percent, noncondensing Cooling: Normal VMEbus chassis forced circulation Power Requirements: None, pull-up resistors must provided VMEbus input board Altitude: Operation 3,000 Weight (Mass): maximum TRADEMARKS VMIC logo registered trademark VMIC. Other registered trademarks property their respective owners.
Table External Voltage Threshold Table
VMIVME-1111 THRESHOLD 1.25 (GND) I/CHANNEL OPTION VEXT MAX/MIN 21.24/7.54 31.72/8.41 31.90/8.43 11.94/7.5 OPTION VEXT MAX/MIN 2.49/1.28 2.94/1.32 2.95/1.32 13.4/10.7 OPTION VEXT MAX/MIN 5.96/2.44 8.26/2.63 8.30/2.63 8.0/6.6 OPTION VEXT MAX/MIN 11.77/4.38 17.18/4.83 17.27/4.84 8.5/7.1 OPTION VEXT MAX/MIN 13.70/5.02 20.15/5.56 20.26/5.57 8.9/7.4 OPTION VEXT MAX/MIN 23.17/8.18 34.69/9.14 34.89/9.16 10.9/9.1
EXTERNAL WETTING VOLTAGE SUPPLIED USER PINS SURGE SUPPRESSOR INPUTS
VMEbus GROUND SINGLE CHANNEL OPTOCOUPLER PULL-UP RESISTORS
1,000 SPARK SFK610-2
SURGE RETURN PROVIDED PINS
PART 1N4148 DIODE.
Figure Typical Channel
TERMINAL BLOCK DISCRETE WIRE CABLE
VMIVME-3451 CABLE SURGE PROTECTION CIRCUITRY
VMIVME-1111
DIGITAL INPUT BOARD
Figure Typical System Ordering Information, Call: 1-800-322-3616 1-256-880-0444 (256) 882-0859

32-Channel Form Factor Surge Protected Interface Board VMIVME-1111 Boa

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