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Information BulletinMarch 8, 2011XA Series Gas ChromatographsAnalog wiring diagramsIntroductionOur XA series gas chromatographs arefurnished with one isolated 24V powersupply to service six analog outputs. Seethe drawings on page 2 for moreinformation. If the customer desires it, theycan furnish power to each analog outputwhile maintaining isolation betweenchannels. See the drawings on page 4 formore information. Our XA series gaschromatographs are also capable offurnishing power to two analog inputs.These inputs are set at the factory to acceptcurrent (4-20 mA) sources, but they can beconfigured to accept voltage (0-10 VDC)sources. See the wiring diagram on page 5for more information.
Information BulletinXA Series Gas ChromatographsFactory analog wiring and switchsettingsConsult the following diagrams before wiringa device:1. This drawing shows how to wire up to sixdevices to the analog outputs that arelocated on the back plane. It also showshow to wire up to two analog inputs.2Analog wiring diagrams
Information BulletinXA Series Gas Chromatographs2. This drawing shows the factory settingsfor the analog output switches that arelocated on the Base I/O board.3. This drawing shows the factory settingsfor the analog input switches that arelocated on the Base I/O board. Theseanalog inputs are set to accept a current(4-20 mA) source.Note: To set an analog input to accept avoltage (0-10 VDC) source, flip the switch inthe opposite direction, as shown below.Analog wiring diagrams3
Information BulletinXA Series Gas ChromatographsWiring and switch settings forcustomer-powered analog outputsConsult the following diagrams before wiringa customer-powered device:1. This drawing shows the wiring that isnecessary to provide power to eachanalog output while maintaining isolationbetween channels.4Analog wiring diagrams
Information Bulletin2. This drawing shows the settings for theanalog output switches, located on theBase I/O board, that are necessary toTypical wiring for line-poweredtransmittersXA Series Gas Chromatographsprovide power to each analog outputwhile maintaining isolation betweenchannels.two 4-20 mA transmitters, such as pressuresensor transmitters.The following drawing shows the mostcommon wiring plan for supplying power toAnalog wiring diagrams5
Information Bulletin XA Series Gas Chromatographs 4 Analog wiring diagrams Wiring and switch settings for customer-powered analog outputs Consult the following diagrams before wiring a customer-powered device: 1. This drawing shows the wiring that is necessary to provide power to each analog output while main taining isolation between channels.
