2150EX AV Flow Module - Isco

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2150EX Area Velocity Flow System Section 2 Preparation and Installation 2.3 Site Examples Figures 2-1, 2-2, and 2-3 illustrate typical round-pipe sites. Key items are called out in the illustration and explained below. Figures 2-1 and 2-2 represent portable installations. For details about portable installations, see Section 2.4. Figure 2-3 represents a permanent installation. For details about permanent installations, see Section 2.5. The computer running Flowlink (Figures 2-1 and 2-3) or the 2101 Field Wizard module (Figure 2-2) should be located outside the potentially explosive atmosphere. The computer and modules communicate with the 2150EX module. The 2150EX area velocity flow module measures and stores the stream data. In portable installations (Figures 2-1 and 2-2), it is attached to a 2191EX or 2196EX battery module, which supplies power to the module. As described in Section 2.6.1, the EX network cable connects to the top of the 2150EX stack and extends to the interface of the safe and hazardous areas. As described in Section 2.6.2, an RS232EX isolator cable connects the computer and the site. The cable supports the data transfers between the two, and is connected to an EX Network Cable connected to the top of the 2150EX module. As described in Section 2.6.3, an RS485EX isolator cable connects the site with a Field Wizard or other network device. The cable supports the data transfers between the two, and is connected to an EX Network Cable, connected to the top of the 2150EX module. In permanent installations (Figure 2-3), the 2150EX is connected via network interface cable CA75EX-CTL (75m) or CA150EX-CTL (150m), usually through conduit, to the 2194EX network module, located in the safe area, which serves as both power supply and network or PC connection. The AV2150EX sensor cable must be routed carefully without kinks, coils, or sharp bends, and secured in place without overtightening the plastic ties. Any excess cable must be kept out of the channel to prevent accumulation of debris. The Mounting Ring holds the AV2150EX sensor in place. The AV2150EX sensor is positioned in the flow stream to measure liquid level and velocity. Note For a complete listing of part numbers and ordering information, see Appendix B Accessories. 2-4
2150EX Area Velocity Flow System Section 2 Preparation and Installation Computer running Flowlink SAFE AREA Mains (optional) (Hazardous boundaries are normally specified by local authorities.) POTENTIALLY EXPLOSIVE AREA RS232EX Isolator Cable EX Network Cable 2150EX Area Velocity Flow Module 2191EX or 2196EX Battery Module Mounting Ring FLOW AV2150EX Sensor Figure 2-1 Typical Round-pipe Installation Connected to a Laptop Computer (Portable Installation, see section 2.4) 2-5
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2150EX AV Flow Module - Isco

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