Summary of Contents for National Instruments FieldPoint FP-TB-1
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Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
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FieldPoint™, National Instruments™, NI™, and ni.com™ are trademarks of National Instruments Corporation. Product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents .
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Mounting the FP-TB-1/2/3 on a DIN Rail Caution To avoid damaging the network module and terminal base, make sure that power is not applied to the network module while you are installing or removing a terminal base. FieldPoint terminal bases have simple rail clips for reliable mounting on a standard 35 mm DIN rail.
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62.48 [2.46] 44.64 [1.76] 44.64 [1.76] 31.24 31.24 [1.23] [1.23] Figure 4. Locating the Mounting Holes 2. When you have located and drilled the mounting holes, mount the terminal base as shown in Figure 5. Figure 5. Mounting the Terminal Base 3.
Field Wiring The FP-TB-1 and FP-TB-2 provide four dedicated terminals and 32 numbered terminals defined by the I/O module. The terminals are designed for 16–26 AWG copper conductor wire with 7 mm (0.28 in.) of insulation stripped from the end as shown in Figure 7. Use only copper wire unless you are working with a sensing device, such as a thermocouple, that requires a different kind of wire.
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Powering the FieldPoint System Consider the following points when connecting power to the FieldPoint system. • The total current flowing through the V and C terminals must be limited to 10 A. If you have a single external supply for the field devices of more than one module, wire the supply to the V and C terminals as shown in Figure 9.
the isolation barrier between the I/O modules and the network module. Figure 12 shows an example configuration with both separate power supplies and cascading power. FP-TC-120 FP-AI-110 FP-AO-200 FP-RLY-420 Thermocouple (self powered) – V sup 18 Common ± Channel 0 4-20 mA Figure 12.
Minimizing Thermal Gradients The most common source of thermal gradients, particularly for the FP-TB-1 and FP-TB-2, is the heat generated by adjacent modules. For example, placing an FP-TB-1 next to an FP-1000 network module can create more than a 1 °C thermal gradient. Mounted thermocouple modules can be separated from the higher-power modules by the lowest-power modules in your system or by the FieldPoint Bus Extender Cable (part number 185576-15).
91.44 [3.60] Figure 13. Mechanical Dimensions Where to Go for Support For more information about setting up your FieldPoint system, refer to these National Instruments documents: • Your FieldPoint network module user manual • Your other FieldPoint I/O module operating instructions •...
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Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
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