Contemporary-control-systems AI Active Hubs Manual de usuario

AIA Line of Fixed Port Active Hubs for ARCNET®Local Area NetworksUser Manual#TD675100-0MJ

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TD675100-0MJ72 Installation2.1 Introduction2.2 Electromagnetic ComplianceThe AI series complies with Class A radiated and conductedemissions as defin

TD675100-0MJ8The AI has been tested to EN55024 Generic ImmunityStandard–Industrial Environment. This standard identifies aseries of tests requiring th

TD675100-0MJ92.4.1 DC PoweredMake connections as shown in the diagram. The AI Seriesincorporates a DC-DC converter that accepts a wide voltagerange (

TD675100-0MJ102.4.3 AC PoweredIf only AC power is available, the AI can be powered by thesecondary of a low voltage transformer whose primary isconnec

TD675100-0MJ11Figure 2-5. AC Powered with Battery Backup2.5 TopologiesDepending upon the number of ports on the AI, the AI can beused as either a repe

TD675100-0MJ122.5.2 LinkA link converts one type of cabling segment into another. Usingtwo AIs in a link application, either a coaxial or twisted-pair

TD675100-0MJ132.6.1 Connecting Coaxial Cable Star Networks (-CXS)There are generally two types of coaxial cables that are usedwith ARCNET, RG-59/u and

TD675100-0MJ142.6.3 Connecting Twisted-Pair Bus Networks (-TPB)Some AI2 link and repeater models have twisted-pairtransceivers (-TPB) which allows the

TD675100-0MJ15to point B requires a paired fiber optic cable and that the lightgray connector at one point must connect to a dark grayconnector at the

TrademarksContemporary Controls, ARC Control, ARC DETECT and EXTEND-A-BUS are trademarks or registered trademarks of ContemporaryControl Systems, Inc.

TD675100-0MJ16the other is tied to ground. Each resistor has a jumperassociated with it. If the two jumpers are installed, the resistortied to +5V is

TD675100-0MJ17For EIA-485 DC operation, it is very important that all deviceson the wiring segment be referenced to the same groundpotential in order

TD675100-0MJ18NIM. This hub port counts as one NIM when cable loading isbeing calculated. The NIM electrically closest to the hub portshould not have

TD675100-0MJ19However, -485 or -485D NIMs cannot be mixed with -485XNIMs together on one segment since signal encoding isdifferent.Figure 2-11. AC Cou

TD675100-0MJ20Figure 2-13. AI Twisted-Pair PinoutsNOTE: For -TPB transceiver, LINE+ is defined at the leadingpositive phase of the dipulse signal. For

TD675100-0MJ2118273645546372812.6.7 Connecting Shielded Twisted-Pair Bus Networks viaRJ-45 Connectors (-TB5)Some AI3 models support twisted-pair bus o

TD675100-0MJ22Figure 2-16. Data Rate SwitchNOTE: On -485X models data rates less than 1.25 Mbps arenot supported.2.8 Supporting Extended TimeoutsAltho

TD675100-0MJ23Figure 2-17. Extended Timeout Jumpers

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TD675100-0MJ253 Operation3.1 Theory of Operation3.1.1 AI StatesWhen the AI has installed expansion modules, the timingmodule waits for the first insta

TD675100-0MJiiContentsChapter 1 Introduction...11.1 Description ...

TD675100-0MJ26P1 and P2. These ports accommodate this signal generationwhile maintaining compatibility with coaxial and fiber opticsignals.3.1.3 Timer

TD675100-0MJ27ACTIVITY Each port on the AI has an associated LEDindicator that indicates that ARCNET traffic is being receivedon that port. The intens

TD675100-0MJ283.3 Isolating Faulty Nodes with Line ActivityIndicatorsThe AI has port activity indicators. Each port activity indicatorlights whenever

TD675100-0MJ294 ServiceWarrantyContemporary Controls (CC) warrants its new product to the original purch-aser for two years from the product shipping

TD675100-0MJ30Technical SupportContemporary Controls (U.S.A.) will provide technical supporton its products by calling 1-630-963-7070 each weekday(exc

TD675100-0MJ31Non-Warranty RepairCC provides a repair service for all its products. Repaircharges are based upon a fixed fee basis depending upon the

TD675100-0MJ32AppendicesAppendix A — Permissible Segment LengthsA segment is defined as any portion of the complete ARCNETcabling system isolated by o

TD675100-0MJ33Appendix A (continued)Permissible Cable Lengths and Nodes Per Segment Trans- ceiver Description Cable Connectors-CXS coaxial star RG-6

TD675100-0MJ34 (2.5 Mbps)Cable Length Max NodesMin Max Bus Segment Notes0 2000ft/610m N/A 5.5 dB/1000ft max0 1500ft/457m N/A 7.0 dB/1000ft max6

TD675100-0MJ35Appendix B — Declaration of ConformityManufacturer:Contemporary Control Systems, Inc.2431 Curtiss StreetDowners Grove, IL 60515 USAAutho

TD675100-0MJiiiList of FiguresFigure 2-1 DC Powered ... 9Figure 2-2 Redundant DC Powered ...

TD675100-0MJ36Type of Equipment:Industrial local area network repeater, link or hubModelAI2-CXB YesAI2-TB5 YesAI2-485 YesAI2-485X YesA

TD675100-0MJ11 Introduction1.1 DescriptionThe ARCNET Interconnect (AI) series of external fixed porthubs provide a low cost method of expanding ARCNET

TD675100-0MJ2Active hubs increase the robustness of ARCNET networks.They maximize the distance that can be achieved on each cablesegment—up to 2000 fe

TD675100-0MJ31.3 SpecificationsElectricalDC ACInput voltage: 10–36 V 8–24 VInput power: 4 W 4 VAInput frequency: N/A 47–63 HzMechanicalOptical Power B

TD675100-0MJ4FunctionalThe data rate switch is not present on the -CXS, -CXB and-TPB models.Compliance: ANSI/ATA 878.1Extended timeouts: Supports all

TD675100-0MJ51.4 Ordering InformationThe AI series is available in several configurations depending uponthe application and cable media supported.Repe