Gebruiksaanwijzing /service van het product FP-Al-110 van de fabrikant National Instruments
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FieldPoint ™ Operating Instructions FP-AI-110 and cFP-AI-110 Eight-Channel, 16-Bit Analog Input M odules These operating instructions descri be ho w to install and use the FP-AI-110 and cFP-AI-110 analog input modules (referred to inclusiv ely as the [c]FP-A I-110).
FP-AI-110 and cFP-AI-110 2 ni.com T o install the FP- AI-110, 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-110). 2. Align the FP- AI-110 alignmen t sl ots with the guide rails on the terminal base.
© National Instruments Corp. 3 FP-AI-110 and cFP-AI-110 (10 lb ⋅ in.) of torque. The nylon coating on the screws pre vents them from loosening. Figure 2. Installing the cFP-AI-110 Wiring the [c]FP-AI-110 The FP-TB- x terminal base ha s connections for each of the eight input channels and for an external power su pply to power field de vice s.
FP-AI-110 and cFP-AI-110 4 ni.com is 2 A or less and the maximum current through any V SUP terminal is 1 A or less . Install a 2 A maximum, fast-acting fuse between t he external power supply and the V terminal on each channel. The wiring diagrams in this document sho w fuses where appropriate.
© National Instruments Corp. 5 FP-AI-110 and cFP-AI-110 T aking Measurements with the [c]FP-AI-110 The [c]FP- AI-110 has eight single- ended input cha nnels. All eight channels share a common ground referen ce that is isolated from other modules in the FieldPoint system.
FP-AI-110 and cFP-AI-110 6 ni.com Figure 5 sho ws how to connect a v oltage source with an extern al power supply to one channel of the [c]FP-AI-110. Figure 5. Voltage Source with Ex ternal Powe r Supply Measuring Current with the [c]FP-AI-110 The input ranges for current sources are 0 –20, 4 –20, and ± 20 mA.
© National Instruments Corp. 7 FP-AI-110 and cFP-AI-110 Figure 6. Current Source without External Power Supply Figure 7 sho ws how to connect a cu rrent sour ce with an external power supply to one channel of the [c]FP-AI-110.
FP-AI-110 and cFP-AI-110 8 ni.com Overranging The [c]FP- AI-110 has an overranging feature that meas ures a little beyond the nominal values of each rang e.
© National Instruments Corp. 9 FP-AI-110 and cFP-AI-110 sampling rate is faster than th e rate at which the network module polls the [c]FP-AI-110 for data.
FP-AI-110 and cFP-AI-110 10 ni.com working v oltages of 250 V rms 1 . Safety standards (such as those published by UL and IEC) requir e the use of double insulation between hazardous voltages and an y human-accessi ble parts or circuits.
© National Instruments Corp. 11 FP-AI-110 and cFP-AI-110 • Operate the [c]FP-AI-110 only at or belo w Pollution Degree 2. Pollution Degree 2 means th at only nonconductiv e pollution occurs in most case s. Occasionally , howe ver , a temporary conductivity caused by conde nsation must be e xpected.
FP-AI-110 and cFP-AI-110 12 ni.com Safety Guidelines for Hazardous V oltages If hazardous voltages are connected to the module, take the follow ing precautions.
© National Instruments Corp. 13 FP-AI-110 and cFP-AI-110 Effecti ve resolution by inpu t signal range and f ilter setting Input charac teristics by f ilter setting Normal-mode rejection .. .............. ..... 95 dB (with 50/60 Hz filter) Nonlinearity .
FP-AI-110 and cFP-AI-110 14 ni.com Input current 25 °C........... ...................... .......... 400 pA typ, 1 nA max 70 °C ............. ........... ........... ........ 3 nA typ, 15 nA max Input noise (with 50 or 60 Hz filter enabled) ± 60 mV range .
© National Instruments Corp. 15 FP-AI-110 and cFP-AI-110 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 ........... .
FP-AI-110 and cFP-AI-110 16 ni.com Physical Char acteristics Indicators ............ ........... ........... ........ Green POWER and READY indicators W eight FP-AI-110..... ............. .............. ... 140 g (4.8 oz) cFP-AI-110 ....... ..........
© National Instruments Corp. 17 FP-AI-110 and cFP-AI-110 Operating shock (IEC 60068-2-27)........... ........... ........ 50 g, 3 ms half sine, 18 shocks at 6 orientations; 30 g, 11 ms half sine, 18 .
FP-AI-110 and cFP-AI-110 18 ni.com 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) .
© National Instruments Corp. 19 FP-AI-110 and cFP-AI-110 Where to Go for Support For more information about settin g up the FieldPoint system, refer to these National Instruments documents: • Field.
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