Omega Engineering BNC-08DI manual

www .omega.com e-mail: info@omega.com U ser ’ s Guide BNC-08DI, BNC-16DI AND BNC-16SE T erminal Boards Shop online at[...]

W ARRANTY / DISCLAIMER OME GA ENGINEERING, INC. war rants this unit to be free of defects in materials and workmanship for a period of 1 3 months from date of purc hase. OM E GA ’ s W ARRAN TY adds an additional one (1) month grace period to the normal one (1) year pr oduct warranty to cover handling and shipping time. This ensures that OME GA ?[...]

19 BOARD ACCESSIBILITY ........................................................... 15 INPUT CONFIGURATIONS ......................................................... 14 BOARD COMPATIBILITY .......................................................... 12 P1 CONNECTOR MAP .............................................................. 10 P 6 & P 7 ...[...]

INTRODUCTION The BNC series of signal con nection boxes have been desig ned as univ ersal interfaces f or the DAS fam ily of analog I/O boards. T he BNC-08DI accepts u p to 8 differential pairs of analog inpu ts w hile the BNC- 16SE and the BNC- 16DI can accept up to 64 sing le end ed or 3 2 differ ential analo g inputs. For user co nvenience , a v[...]

BNC-08DI The BNC-08D I incorporates 16 f ront panel m ounted BNC con nectors prov iding up to 8 dif feren tial analog i nputs to the C IO-DA S family of data acquisition boards. B1-B16 The 16 front panel mounted BNC connectors B1-B16, are routed through the enclosure to the rear panel-mounted 37 D connector P2. P2 The rear panel moun ted 37 p in D [...]

EXTERNAL TRIGGER The EXTERNAL TRIGGER BNC con nectors B17 and B18 are provided for application s that requ ire external digital triggering of t he data acquisition board. These connectors could also be used in applications requiring synchronization to the digital trigger si gnal. The digital trigger signal is available on connectors P1-P4 as illust[...]

BNC-16DI The BNC-16 DI incorpor ates 16 front panel mounted BNC’s allowing connection of up to 8 d ifferential analog inputs to the CIO-DAS and PCI family of data acquisition board s. The BNC-16DI can accom modate boards with either 37 or 50 pin I/O connectors; with connector P2 used to interface to data acquisition boards utilizing a 37 pin, D t[...]

. . P1 The front panel m ounted DB37 connector P1 provides a variety of I/O sig nals, n ot including the 16 analog input signals from BNC’s B1-B16. P lease refer to the P1 CONNECTOR MAP section for a detailed explanation of P1’s connection schem e and signal availability. 5[...]

EXTERNAL TRIGGER The EXTERNAL TRIGGER BNC con nectors B17 and B18 are provided for application s that requ ire external digital triggering of t he data acquisition board. These connectors could also be used in applications requiring synchronization to the digital trigger si gnal. The digital trigger signal is available on connectors P1-P4 as illust[...]

Headers P6 and P7 are factory set to the “1-2” position, pre-config uring B15 and B16 as analog input BNC’s. For those applicati ons w hich require D/A outputs along with B15 and B16 to be used in the an alog input m ode; the user can leave B15 and B16 in the an a log input mode and access the D/A outputs at connector P1. The following diagra[...]

BNC-16SE The BNC-16S E incorporates 16 front panel mou nted BNC’s allow ing connect ion of u p to 16 singl e-ended an alog inpu ts to th e CIO-DAS an d PCI family of data acquisition boards. T he BNC-16SE can accomm o date boards with eith er 37 or 50 pin I/O connectors; with connector P2 used to interface to data acquisition boards utilizing a 3[...]

. P1 The front panel m ounted DB37 connector P1 provides a variety of I/O sig nals, n ot including the 16 analog input signals from BNC’s B1-B16. P lease refer to the P1 CONNECTOR MAP section for a detailed explanation of P1’s connection schem e and signal availability. 9[...]

EXTERNAL TRIGGER The EXTERNAL TRIGGER BNC con nectors B17 and B18 are provided for application s that requ ire external digital triggering of t he data acquisition board. These connectors could also be used in applications requiring synchronization to the digital trigger si gnal. The digital trigger signal is available on connectors P1-P4 as illust[...]

Headers P6 and P7 are factory set to the “1-2” position, pre-config uring B15 and B16 as analog input BNC’s. For those applicati ons w hich require D/A outputs along with B15 and B16 to be used in the an alog input m ode; the user can leave B15 and B16 in the an a log input mode and access the D/A outputs at connector P1. The following diagra[...]

P1 CONNECTOR MAP Connector P1 prov ides the u ser w ith a variety of I/O sign als, not including th e 16 analog input signals from B1-B16. T he following diagram illustrates the connection schem e used to route these signals among connectors P2, P3 and P4 to connector P1. These sig nals are labeled “PASS” signals (except for the trigger and D/A[...]

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BOARD COMPATIBILITY The BNC-08DI is compatible with the following DAS boards: 8 Differential Inputs CIO-DAS08-PGM 8 Differential Inputs CIO-DAS08-PGL 8 Differential Inputs CIO-DAS08-PGH 8 Differential Inputs CIO-DAS08-PGA 8 Differential Inputs CIO-DAS08-AOM 8 Differential Inputs CIO-DAS08-AOL 8 Differential Inputs CIO-DAS08-AOH 8 Differential Input[...]

INPUT CONFIGURATIONS Each BNC connector of the BNC-08/16 DI and the BNC-16SE incorpo rates pro gramm ab le, signal conditioning circuitry, wh ich allows the user to connect a wide variety of options including filtering, bypassing, voltage division and termination. For situations wh ere the facto ry installe d shunt r esisto rs RX A or RXB have been[...]

open resistor open open open open RXF open open open 0 ohm 0 ohm open RXE capacitor open open capacitor resistor open RXD 0 ohm open open resistor resistor open RXC 0 ohm 0 ohm 0 ohm 0 ohm 0 ohm 0 ohm RXB* 0 ohm 0 ohm capacitor open open 0 ohm RXA* Bypass 50 Ohm AC Couple RC Filter R Divider Normal *factory installed 0 ohm resistors %1&?[...]

The following diagram illustrates the signal conditioning circuitry of a differential analog input channels used on the BNC-16D I and the BNC-08DI. resistor resistor resistor resistor resistor resistor RSX open resistor open open open open RXF open open open 0 ohm 0 ohm open RXE capacitor open open capacitor resistor open RXD 0 ohm open open resist[...]

The following illustrations describe some comm on differential mode connection meth ods o f the BNC-08/16DI enclosure. T hese are just a few of the many possible connection methods made possible using the programmable signal conditioning circuits. 1. Diagram A . describes a true differential setup utilizin g a pair of coaxial cables. T he grounding[...]

BOARD ACCESSIBILITY Accessi ng the in dividual BNC input con figu ration circuits, or headers P6 or P7 (B NC-16SE, BNC16DI on ly) can be easily accomplished by removing the following hardware: enclosure screws (2), External Trigger nut and washer, and P2 set screws (2). %1&6(%1&', %1&', 19[...]

EC Declaration of Conformity We, ComputerBoards, Inc., declare under sole responsibility that the product: Description Part Number BNC Boxes BNC 08/16DI BNC 16SE to which this declaration relates, meets the essential requirements, is in conformity with, and CE marking has been applied according to the relevant EC Directives listed below using the r[...]

Servicing Nor th America: USA: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: USA and Canada: Sale[...]

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