National Instruments FP-AI-112 User's Manual
Contents
1. range Typical Accuracy Warranted Accuracy at 15 to 35 C at 15 to 35 C Nominal of Reading of Reading Input Range of Full Scale of Full Scale 60 mV 0 03 0 05 0 05 40 3 300 mV 0 03 0 015 0 05 0 1 1V 0 03 0 008 0 05 0 04 5 V 0 03 0 005 0 05 0 02 10 V 0 03 0 005 0 05 0 02 0 1 V 0 03 0 005 0 05 0 03 0 5 V 0 03 0 003 0 05 0 01 0 10 V 0 03 0 003 0 05 0 01 Typical Accuracy Warranted Accuracy at 40 to 70 C at 40 to 70 C Nominal of Reading of Reading Input Range of Full Scale of Full Scale 60 mV 0 06 0 35 0 10 1 50 300 mV 0 06 0 08 0 10 0 40 1 V 0 06 0 03 0 10 0 13 5 V 0 06 0 01 0 10 0 04 10 V 0 06 0 01 0 10 0 03 0 1 V 0 06 0 025 0 10 0 12 0 5 V 0 06 0 007 0 10 0 03 0 10 V 0 06 0 005 0 10 0 02 3 Note Full scale is the maximum value of the nominal input range For example for the 10 V input range full scale is 10 V and 0 01 of full scale is 1 mV Gain error drift cceeeeeseseeseeteeeee 20 ppm C Offset error driftssted 6 uV C National Instruments Corp 11 FP Al 112 and cFP Al 112 Physical Characteristics Indicators esise Green POWER and READY indicators Weight FR2AI 112 nonen ianen 142 g 5 0 oz CFP AI 11 2 eeceecceceeseeseeseeeee 113 g2. pide Saia 107 19 mm j mt a22in gt 109 5 mm 4 31 in ee E 91 44 mm i 3 60 in 7 Figure 5 FP Al 112 Mechanical Dimensions FP Al 112 and cFP Al 112 14 ni com Where to Go for Support For more information about setting up the FieldPoint system refer to these National Instruments documents e FieldPoint network module user manual e Other FieldPoint I O module operating instructions e FieldPoint terminal base and connector block operating instructions Go to ni com support for the most current manuals examples and troubleshooting information National Instruments corporate headquarters is located at 11500 North Mopac Expressway Austin Texas 78759 3504 National Instruments also has offices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the calling instructions or dial 512 795 8248 For telephone support outside the United States contact your local branch office Australia 1800 300 800 Austria 43 0 662 45 79 90 0 Belgium 32 0 2 757 00 20 Brazil 55 11 3262 3599 Canada Calgary 403 274 9391 Canada Ottawa 613 233 5949 Canada Qu bec 450 510 3055 Canada Toronto 905 785 0085 Canada Vancouver 604 685 7530 China 86 21 6555 7838 Czech Republic 420 224 235 774 Denmark 45 45 76 26 00 Finland 385 0 9 725 725 11 France 33 0 1
3. Vm for voltage input All 16 inputs are referenced to the COM terminals which are internally connected to each other and to the C terminals The channels share eight V sup terminals all of which are internally connected to each other and to the V terminals National Instruments Corp 3 FP Al 112 and cFP Al 112 You can use an external power supply to power field devices Connect the positive lead of the external power supply to both V terminals and the negative lead to both C terminals Ensure that the current through both V terminals can never exceed 2 A Install 2 A maximum fast acting fuses between the external power supply and the V terminals The wiring diagrams in this document show fuses where appropriate Table 1 lists the terminal assignments for the signals associated with each channel The terminal assignments are the same for the FP TB x terminal bases and the cFP CB x connector blocks Table 1 Terminal Assignments Terminal Numbers Channel Vin Vsup COM 0 1 17 18 1 2 17 18 2 3 19 20 3 4 19 20 4 5 21 22 5 6 21 22 6 7 23 24 7 8 23 24 8 9 25 26 9 10 25 26 10 11 27 28 11 12 27 28 12 13 29 30 13 14 29 30 14 15 31 32 15 16 31 32 FP Al 112 and cFP Al 112 4 ni com Caution Cascading power between two modules defeats UN isolation between those modules Cascading power from the network module defeats all isolation between modules in the Fie
4. Effective resolution by input range and filter setting Effective Effective Nominal With Resolution Resolution Input Range Overranging at 50 or 60 Hz at 500 Hz 60 mV 65 mV 3 uV 25 UV 300 mV 325 mV 16 uV 100 uV 1 V 1 04 V 40 uV 300 uV 5 V 5 2 V 190 uV 1500 uV 10 V 10 4 V 380 uV 3000 uV 0 1 V 0 1 04 V 20 uV 300 uV 0 5 V 0 5 2 V 95 uV 1500 uV 0 10 V 0 10 4 V 190 uV 3000 uV Includes quantization errors and typical rms noise Update period and input bandwidth by filter setting Filter Settings Characteristic 50 Hz 60 Hz 500 Hz Update period 1 25 1 75 s 1 05 1 45 s 0 27 0 32 s Input bandwidth 3 dB 13 Hz 16 Hz 130 Hz Applies when all 16 channels are set to the same filter setting Refer to the Update Rate section for information about calculating the update rate Normal mode rejection 000 0 0015 monotonicity warranted over the operating temperature range gt 100 MQ Nonlinearity ccececeeccecseeeereeteeees Input impedance with power on Overvoltage protection eee 40 V Input current 400 pA typ 1 nA max 3 nA typ 15 nA max 1 A characteristic of an ADC in which the digital code output always increases as the value of the analog input to it increases FP Al 112 and cFP Al 112 ni com Typical and warranted accuracy by input range and temperature
5. on the terminal base When the FP AI 112 is firmly seated the latch on the terminal base locks it into place 1 1 0 Module 4 Key 2 Terminal Base 5 Latch 3 Alignment Slot 6 Guide Rails Figure 1 Installing the FP Al 112 Installing the cFP Al 112 The cFP AI 112 mounts on a Compact FieldPoint backplane cFP BP x which provides operating power to the module Installing the cFP AI 112 onto a powered backplane does not disrupt the operation of the FieldPoint bank To install the cFP AI 112 refer to Figure 2 and complete the following steps 1 Align the captive screws on the cFP AI 112 with the holes on the backplane The alignment keys on the cFP AI 112 prevent backward insertion 2 Press firmly to seat the cFP AI 112 on the backplane FP Al 112 and cFP Al 112 2 ni com 3 Using a number 2 Phillips screwdriver with a shank of at least 64 mm 2 5 in length tighten the captive screws to 1 1 N m 10 lb in of torque The nylon coating on the screws prevents them from loosening 1 cFP Al 112 4 Screw Holes 2 Captive Screws 5 cFP Backplane 3 cFP Controller Module Figure 2 Installing the cFP Al 112 Wiring the c FP Al 112 The FP TB x terminal base has connections for each of the 16 input channels and for an optional external power supply to power field devices The cFP CB x connector block provides the same connections Each channel has one input terminal
6. 0 10 s number of channels with 500 Hz filter x 0 007 s number of input ranges with 500 Hz filter x 0 012 s 0 16 s Update Period For the fastest performance configure all unused channels for the 500 Hz filter setting and for an input range in use on one or more other channels with the 500 Hz filter setting For example if 10 channels are configured for 0 10 V input and 500 Hz four channels are configured for 0 5 V and 60 Hz and two channels are unconnected use the FieldPoint software to configure the unconnected channels for 0 10 V input and 500 Hz filter setting Some combinations of two input ranges count as only one range for calculating update rates Those combinations are 60 mV and 300 mV 0 1 V and 0 5 V and 1 V and 5 V The update rate does not affect the rate at which the network module reads the data Set up your application so that the update rate is faster than the rate at which the network module polls the c FP AI 112 for data Status Indicators The c FP AJI 112 has two green status LEDs POWER and READY After you insert the c FP AI 112 into a terminal base or backplane and apply power to the connected network module the green POWER indicator lights and the c FP AI 112 informs the network module of its presence When the network module recognizes the c FP AI 112 it sends initial configuration information to the c FP AI 112 After the c FP AI 112 receives this initial information the green RE
7. 4 0 oz Power Requirements Power from network module 350 mW Isolation Voltage Channel to ground isolation Continuous 0 eee eee eteeeeee 250 Vims Installation Category II Dielectric withstand 00 2 300 Vims 1 minute Channel to channel isolation None Environmental FieldPoint modules are intended for indoor use only For outdoor use they must be mounted inside a sealed enclosure Operating temperature ee 40 to 70 C Storage temperature 50 to 85 C Humidity neea ieia 10 to 90 RH noncondensing Maximum altitude eee 2 000 m at higher altitudes the isolation voltage ratings must be lowered Pollution Degree eeeeeeeseeeeeeee 2 FP Al 112 and cFP Al 112 12 ni com Shock and Vibration These specifications apply only to the cFP AI 112 NI recommends Compact FieldPoint if your application is subject to shock and vibration Operating vibration random IEC 60068 2 64 eee eeeeeeeee 10 500 Hz 5 gums Operating vibration sinusoidal IEC 60068 2 6 eee eeeeeeeeeee 10 500 Hz 5 g Operating shock TEC 60068 2 27 cccccccesseeseeeneeeee 50 g 3 ms half sine 18 shocks at 6 orientations 30 g 11 ms half sine 18 shocks at 6 orientations Safety This product is designed to meet the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use e IEC 61010 1 EN
8. 48 14 24 24 Germany 49 0 89 741 31 30 India 91 80 51190000 Israel 972 0 3 6393737 Italy 39 02 413091 Japan 81 3 5472 2970 Korea 82 02 3451 3400 Malaysia 603 9131 0918 Mexico 01 800 010 0793 Netherlands 31 0 348 433 466 New Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russia 7 095 783 68 51 Singapore 65 6226 5886 Slovenia 386 3 425 4200 South Africa 27 0 11 805 8197 Spain 34 91 640 0085 Sweden 46 0 8 587 895 00 Switzerland 41 56 200 51 51 Taiwan 886 2 2528 7227 Thailand 662 992 7519 United Kingdom 44 0 1635 523545 National Instruments Corp 15 FP Al 112 and cFP Al 112 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 371330A 01 Julo4
9. 61010 1 e UL61010 1 e CAN CSA C22 2 No 61010 1 3 Note For UL hazardous locations and other safety certifications refer to the product label or visit ni com certification search by model number or product line and click the appropriate link in the Certification column Electromagnetic Compatibility EMISSION Sorsan EN 55011 Class A at 10 m FCC Part 15A above 1 GHz IMMUNI eer EN 61326 1997 A2 2001 Table 1 CE C Tick and FCC Part 15 Class A Compliant ays Note For EMC compliance operate this device with shielded cabling National Instruments Corp 13 FP Al 112 and cFP Al 112 CE Compliance This product meets the essential requirements of applicable European Directives as amended for CE marking as follows Low Voltage Directive safety 73 23 EEC Electromagnetic Compatibility Directive EMC ccccseeseesteeseees 89 336 EEC 3 Note Refer to the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column Mechanical Dimensions Figure 5 shows the mechanical dimensions of the FP AI 112 installed on a terminal base If you are using the cFP AI 112 refer to the Compact FieldPoint controller user manual for the dimensions and cabling clearance requirements of the Compact FieldPoint system
10. ADY indicator lights and the module is in normal operating mode Upgrading the FieldPoint Firmware You may need to upgrade the FieldPoint firmware when you add new I O modules to the FieldPoint system For information on determining which firmware you need and how to upgrade your firmware go to ni com info and enter fpmatrix National Instruments Corp 7 FP Al 112 and cFP Al 112 Isolation and Safety Guidelines Caution Read the following information before attempting to connect the c FP AI 112 to any circuits that may contain hazardous voltages This section describes the isolation of the c FP AI 112 and its compliance with international safety standards The field wiring connections are isolated from the backplane and the inter module communication bus The isolation barriers in the module provide 250 Vims Installation Category II continuous isolation verified by 2 300 Vms 1 minute dielectric withstand test The c FP AI 112 provides double insulation compliant with IEC 61010 1 for working voltages of 250 Vims Safety standards such as those published by UL and IEC require the use of double insulation between hazardous voltages and any human accessible parts or circuits Never try to use any isolation product between human accessible parts such as DIN rails or monitoring stations and circuits that can be at hazardous potentials under normal conditions unless the product is specifically designed for such an appli
11. FieldPoint Operating Instructions FP Al 112 and cFP Al 112 16 Channel 16 Bit Analog Input Modules These operating instructions describe how to install and use the FP AJ 112 and cFP AI 112 analog input modules referred to inclusively as the c FP AI 112 For information about configuring and accessing the c FP AI 112 over a network refer to the user manual for the FieldPoint network module you are using Features The c FP AI 112 is a FieldPoint analog input module with the following features e 16 analog voltage input channels e Eight voltage input ranges 0 1 V 0 5 V 0 10 V 60 mV 300 mV 1 V 5 V and 10 V e 16 bit resolution e 50 and 60 Hz filter settings e 250 Vims CAT H continuous channel to ground isolation verified by 2 300 V 1 minute dielectric withstand test e 40 to 70 C operation e Hot swappable Installing the FP Al 112 The FP AI 112 mounts on a FieldPoint terminal base FP TB x which provides operating power to the module Installing the FP AI 112 onto a powered terminal base does not disrupt the operation of the FieldPoint bank WwW NATIONAL INSTRUMENTS To install the FP AI 112 refer to Figure 1 and complete the following steps 1 Slide the terminal base key to either position X used for any module or position 1 used for the FP AI 112 2 Align the FP AI 112 alignment slots with the guide rails on the terminal base 3 Press firmly to seat the FP AI 112
12. cation as is the c FP AI 112 Even though the c FP AI 112 is designed to handle applications with hazardous potentials follow these guidelines to ensure a safe total system e There is no isolation between channels on the c FP AI 112 If a hazardous voltage is present on any channel all channels are considered hazardous Make sure that all other devices and circuits connected to the module are properly insulated from human contact e Do not share the external supply voltages the V and C terminals with other devices including other FieldPoint devices unless those devices are isolated from human contact e For Compact FieldPoint you must connect the protective earth PE ground terminal on the cFP BP x backplane to the system safety ground The backplane PE ground terminal has the following symbol stamped beside it Connect the backplane PE ground terminal to the system safety ground Working voltage is defined as the signal voltage plus the common mode voltage Common mode voltage is the voltage of the module with respect to ground FP Al 112 and cFP Al 112 8 ni com using 14 AWG 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 e As with any hazardous voltage wiring make sure that all wiring and connections meet applicable electrical codes and commonsense practices Mount terminal bases and backplanes in an area pos
13. ition or cabinet that prevents accidental or unauthorized access to wiring that carries hazardous voltages e Do not use the c FP AI 112 as the only isolating barrier between human contact and working voltages higher than 250 Vms e Operate the c FP AI 112 only at or below Pollution Degree 2 Pollution Degree 2 means that only nonconductive pollution occurs in most cases Occasionally however a temporary conductivity caused by condensation must be expected e Donot operate FieldPoint products in an explosive atmosphere or where there may be flammable gases or fumes If you need to operate FieldPoint products in such an environment the FieldPoint products must be in a suitably rated enclosure e Operate the c FP AI 112 at or below Installation Category II Installation Category II is for measurements performed on circuits directly connected to the low voltage installation This category refers to local level distribution such as that provided by a standard wall outlet Specifications The following specifications are typical for the 40 to 70 C temperature range and for 50 and 60 Hz filter settings unless otherwise noted Specifications are subject to change without notice Input Characteristics Number of channels ADC resolution ccccccseceesseeeees 16 bits at 50 or 60 Hz 10 bits at 500 Hz refer to table Type 0f ADC ai cisciecee nee Delta sigma National Instruments Corp 9 FP Al 112 and cFP Al 112
14. ldPoint bank Measuring Voltage with the c FP Al 112 Figure 3 shows how to connect a voltage source without an external power supply to one channel of the c FP AI 112 Vin INI Input i Circuitry Voltage i gt 100 MQ Source i Input COM Impedance c FP AI 112 Figure 3 Voltage Source without External Power Supply Figure 4 shows how to connect a voltage source with an external power supply to one channel of the c FP AI 112 External _ _ Power Supply 2A Optional T Max Vsp oe apnena O Powered Input Transducer Circuitry gt 100 MQ Input Impedance cJFP Al 112 Figure 4 Voltage Source with External Power Supply National Instruments Corp 5 FP Al 112 and cFP Al 112 Input Ranges The input ranges for voltage signals are 0 1 V 0 5 V 0 10 V 60 mV 300 mV 1 V 5 V and 10 V To prevent inaccurate readings choose an input range such that the signal you are measuring does not exceed either end of the range Signals that greatly exceed the configured range can adversely affect measurements on other channels Measurements on a channel may be invalid for up to one update period after you change the input range Overranging The c FP AI 112 has an overranging feature that measures a little beyond the nominal values of each range For example the actual measurement limit of the 10 V range is 10 4 V The o
15. verranging feature enables the c FP AI 112 to compensate for field devices with span errors of up to 4 of full scale Also the overranging feature helps prevent errors caused by clipping Filter Settings Three filter settings are available for each channel The filters on the c FP AI 112 input channels are comb filters that provide notches of rejection at multiples or harmonics of a fundamental frequency You can select a fundamental frequency of 50 60 or 500 Hz At the 50 and 60 Hz settings the c FP AI 112 applies 95 dB of rejection at the fundamental frequency and at least 60 dB of rejection at each of the harmonics In many cases most of the noise components of input signals are related to the local AC power line frequency so a filter setting of either 50 or 60 Hz is best The 500 Hz filter setting provides faster update rates but much less accurate measurements Update Rate The update rate of the c FP AI 112 is determined by the filter settings and the number of input ranges in use Higher filter settings and fewer input ranges yield faster update rates Use the following formula to determine the approximate update period number of channels with 50 Hz filter x 0 061 s number of input ranges with 50 Hz filter x 0 12 s number of channels with 60 Hz filter x 0 051 s 1 The update rate is the reciprocal of the update period FP Al 112 and cFP Al 112 6 ni com number of input ranges with 60 Hz filter x
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