National Instruments FP-AI-112 manual


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Table of contents for the manual

  • Page 1

    FieldPoint ™ Operating Instructions FP-AI-112 and cFP-AI-112 16-Channel, 16-Bit Anal og Input Modu les These operating instructions descri be ho w to install and use the FP-AI-112 and cFP-AI-112 analog input modules (referred to inclusiv ely as the [c]FP-A I-112). Fo r information about configuring and accessing the [c]F P- AI-112 ov er a network[...]

  • Page 2

    FP-AI-112 and cFP-AI-112 2 T o install the FP- AI-112, refer to Figure 1 and complete the follow ing steps: 1. Slide the terminal base key to either position X (used for an y module) or position 1 (used for the FP- AI-112). 2. Align the FP- AI-112 alignmen t sl ots with the guide rails on the terminal base. 3. Press firmly to seat the FP- AI[...]

  • Page 3

    © National Instruments Corp. 3 FP-AI-112 and cFP-AI-112 3. Using a number 2 Phillips scre wdriv er with a shank of at least 64 mm (2.5 in.) length, tighten the captiv e screws to 1. 1 N ⋅ m (10 lb ⋅ in.) of torque. The n ylon coating on the screws pre vents them from loosening. Figure 2. Installing the cFP-AI-112 Wiring the [c]FP-AI-112 The FP[...]

  • Page 4

    FP-AI-112 and cFP-AI-112 4 Y ou can use an external power supply to po wer field de vices. Connect the positi ve lead of the e xternal power supply to both V terminals and the negat ive lead to both C termina ls. Ensure that the current through both V terminals can nev er exceed 2 A. Install 2 A maximum, fast-acting fuses between the e xtern[...]

  • Page 5

    © National Instruments Corp. 5 FP-AI-112 and cFP-AI-112 Caution Cascading power between two modules defeats isolation between those modules. Cascading power from the network module defeats all isolation between modules in the FieldPoint bank. Measuring V oltage with the [c]FP-AI-112 Figure 3 sho ws how to connect a v oltage source without an exter[...]

  • Page 6

    FP-AI-112 and cFP-AI-112 6 Input Ranges The input ranges for voltage signals are 0 –1 V , 0 –5 V , 0 –10 V , ± 60 mV , ± 300 mV , ± 1V , ± 5 V , and ± 10 V . T o prevent inaccurate readings, choose an input range such that the signal you are measuring does not exceed either end of the rang e. Signals that greatly ex ceed the confi[...]

  • Page 7

    © National Instruments Corp. 7 FP-AI-112 and cFP-AI-112 ( number of input range s with 60 Hz filter ) × 0.10 s + ( number of channels with 500 Hz filter ) × 0.007 s + ( number of input ranges with 500 Hz filter ) × 0.012 s + 0.16 s = Update Period For the f astest performance, conf igure all unused channels for the 500 Hz f ilter setting and fo[...]

  • Page 8

    FP-AI-112 and cFP-AI-112 8 Isolation and Sa fety Guidelines Caution Read the following in formation before attempting to connect the [c]F P-AI-112 to an y circuits that may contain hazardous voltages. This section describes the isolat ion of the [c]FP-AI-112 and its compliance wit h international sa fety standards. The field wiring connectio[...]

  • Page 9

    © National Instruments Corp. 9 FP-AI-112 and cFP-AI-112 using 14 A WG (1.6 mm) wire with a ring lug. Use the 5/16 in. panhead screw shipped with the backplane to secure the ring lug to the backplane PE ground terminal. • As with any hazardous v oltage wiring, make sure that all wiring and connections meet appl icable electrical codes and commons[...]

  • Page 10

    FP-AI-112 and cFP-AI-112 10 Effecti ve resolution by inpu t range and filter setting Update period and input band width by filter setting Normal-mode rejection ............. ........ 95 dB Nonlinearity .......... ........... ......... ........ 0.0015% (monotonicity 1 warranted ov er the operating temperature range) Input impedance (with powe[...]

  • Page 11

    © National Instruments Corp. 11 FP-AI-112 and cFP-AI-112 T ypical and warranted accuracy b y input range and temperature range Note Full scale is the maximum value of the nominal input range. F or example, for the ± 10 V input range, full scale is 10 V and ± 0.01% of full scale is 1 mV . Gain error drift ...... ......... ........... ........ ± [...]

  • Page 12

    FP-AI-112 and cFP-AI-112 12 Physical Char acteristics Indicators ................... ......... ........... ... Green POWER and READY indicators W eight FP-AI-112..... ............. ............ ..... 142 g (5.0 oz) cFP-AI-112 ....... ............ .............. 113 g (4.0 oz) Power Requirements Power from network module ............ 350 mW I[...]

  • Page 13

    © National Instruments Corp. 13 FP-AI-112 and cFP-AI-112 Shock and Vibration These specifications apply only to the cFP-AI-112. NI recommends Compact FieldP oint if your application is subject to shock and vibration. Operating vibration, random (IEC 60068-2-64)....... ........... ............ 1 0 –500 Hz, 5 g rms Operating vibration, sinusoidal [...]

  • Page 14

    FP-AI-112 and cFP-AI-112 14 CE Compliance This product meets the essentia l requirements of applicable European Directi ves, as amended for CE ma rking, as follows: Lo w-V oltage Directi ve (s afety)...... ... 73/23/EEC Electromagnet ic Compatibility Directiv e (EMC) ... ........... ......... ........ 89/336/EEC Note Refer to the Declaration[...]

  • Page 15

    © National Instruments Corp. 15 FP-AI-112 and cFP-AI-112 Where to Go for Support For more information about settin g up the FieldPoint system, refer to these National Instruments documents: • FieldPoint network module user manual • Other FieldPo int I/O m odule operating instructions • FieldPoint terminal base and connector block operating i[...]

  • Page 16

    © 2004 National I nstruments Corp. All rights reser ved. 371330A-01 Jul04 *371330A-01* FieldPoint™, Nati onal Instruments™, NI™, and™ are trademarks of National Instruments Corporati on. Product and company names ment ioned herein are trademarks or trade names of thei r respective companies. For patents covering National Instruments[...]