FP-PWM-520 and cFP-PWM-520
Contents
1. csse 50 g 3 ms half sine 18 shocks at 6 orientations 30 g 11 ms half sine 18 shocks at 6 orientations Hazardous Locations US UL aic och Class I Division 2 Groups A B C D T4 Class I Zone 2 AEx nC IIC T4 Canada C UL usss Class I Division 2 Groups A B C D T4 Class I Zone 2 Ex nC IIC T4 Europe DEMRKO Ex nC IIC T4 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 EC 61010 1 EN 61010 1 e UL 61010 1 CSA 61010 1 yi Note For UL 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 National Instruments Corp 15 FP PWM 520 and cFP PWM 520 Electromagnetic Compatibility This product is designed to meet the requirements of the following standards of EMC for electrical equipment for measurement control and laboratory use EN 61326 EMC requirements Industrial Immunity EN 55011 Emissions Group 1 Class A e CE C Tick ICES and FCC Part 15 Emissions Class A yi Note For EMC compliance operate this device according to product documentation CE Compliance This product meets the essential requirements of applicable European Directives as amended for CE marking as follows2. Enter a value from 0 to 100 to set the duty cycle The duty cycle has 12 bit resolution 4 096 discrete duty cycle settings eund i 0 lt 3 gt q 3 a 1 PWM Output 2 OnTime 3 Period Figure 4 Period and Duty Cycle of a PWM Output Status Indicators The c FP PWM 520 has two green status LEDs POWER and READY After you insert the FP PWM 520 onto a terminal base or the cFP PWM 520 onto a backplane and apply power to the connected network module the green POWER indicator lights and the c FP PWM 520 informs the network module of its presence When the network module recognizes the FP PWM 520 and cFP PWM 520 8 ni com c FP PWM 520 it sends initial configuration information to the c FP PWM 520 After the c FP PWM 520 receives this initial information the green READY indicator lights and the module is in normal operating mode In addition to the green POWER and READY indicators each channel has a numbered green status LED that lights when the channel is in the ON state Upgrading Your FieldPoint Firmware You may need to upgrade your FieldPoint firmware when you add new I O modules to your FieldPoint system For information on determining which firmware you need and how to upgrade your firmware go to ni com info and enter fpmatrix Isolation and Safety Guidelines Caution Read the following information before attempting to connect the c FP PWM 520 to any circuits that ma
3. Make sure that all other devices and circuits connected to the module are properly insulated from human contact 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 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 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 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 position or cabinet that prevents accidental or unauthorized access to wiring that carries hazardous voltages Do not use the c FP PWM 520 as the only isolating barrier between human contact and working voltages higher than 250 Vms Operate the c FP PWM 520 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 Operate the c FP PWM 520 at or below Measurement Category II
4. e 2006 95 EC Low Voltage Directive safety e 2004 108 EC Electromagnetic Compatibility Directive EMC ays 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 Environmental Management National Instruments is committed to designing and manufacturing products in an environmentally responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial not only to the environment but also to NI customers For additional environmental information refer to the NI and the Environment Web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this document FP PWM 520 and cFP PWM 520 16 ni com Waste Electrical and Electronic Equipment WEEE X EU Customers At the end of their life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling centers and National Instruments WEEE initiatives visit ni com environment weee htm Bar mis Riehl SAE CHE ROHS PAA National Instruments 4A P Ht fa E oG T dd rp Eg gap f REA dz da RoHS T National Instruments F E RoHS AVE TEESE ni com environment rohs_c
5. Measurement 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 FP PWM 520 and cFP PWM 520 10 ni com Safety Guidelines for Hazardous Locations The cFP PWM 520 is suitable for use in Class I Division 2 Groups A B C D T4 hazardous locations Class I Zone 2 AEx nC IIC T4 and Ex nC IIC T4 hazardous locations and nonhazardous locations only Follow these guidelines if you are installing the cFP PWM 520 in a potentially explosive environment Failing to follow these guidelines may result in serious injury or death A Caution Make sure that all products you use in hazardous locations are certified for such use 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 Caution Do not disconnect I O side wires or connectors unless power has been switched off or the area is known to be nonhazardous Caution Do not remove modules unless power has been switched off or the area is known to be nonhazardous Caution Substitution of components may impair suitability for Class I Division 2 Caution For Zone 2 applications install the Compact FieldPoint system in an enclosure rated to at least IP 54 as defined by IEC 60529 and EN 60529 Caution For Zone 2 applications install a protecti
6. the external power supply to multiple V and V syp terminals and to multiple C and COM terminals as needed to ensure that the maximum current through any terminal is 2 A or less FP PWM 520 and cFP PWM 520 4 ni com Install a 2 A maximum fast acting fuse between the external power supply and the Vsup terminal on each channel Install a 1 A maximum fast acting fuse suitable for the load at the Vout terminal Figure 3 shows fuses where appropriate Qo o o 2 A Max Cy User Supplied per i VsUP pus i T 9 9 IS 1 A Max User Supplied Protected Voyr Fuse Sourcing 9 4X p 4 5VDCor i Output i 10 30 VDC COM Load External i e Power Supply Figure 3 Wiring the c FP PWM 520 Caution Maximum output current for the cFP PWM 520 is lower than 1 A if the module is operating in the 50 70 C temperature range Refer to the Specifications section for more information and select fuses for the Voyr terminals accordingly Pulse Width Modulator Output Circuit The c FP PWM 520 output channels are optically isolated from the rest of the FieldPoint bank The channels are sourcing outputs with short circuit protection circuitry Sourcing current means that the Vour terminal provides a path to a voltage supply In the ON state of the output period a transistor is turned on between Vsup and Vout In the OFF state this transistor is turned off allowin
7. FIELDPOINT OPERATING INSTRUCTIONS AND SPECIFICATIONS FP PWM 520 and cFP PWM 520 Eight Channel 5 V or 10 30 V PWM Output Module These operating instructions describe how to install and use the National Instruments FP PWM 520 and cFP PWM 520 pulse width modulation modules referred to inclusively as the c FP PWM 520 For details on configuring and accessing the c FP PWM 520 over a network refer to the user manual for the FieldPoint network module you are using Features The c FP PWM 520 is a FieldPoint pulse width modulation PWM output module with the following features Eight PWM sourcing output channels 0 to 100 duty cycle capability with 12 bit resolution Short circuit protection for outputs Outputs source 5 VDC or 10 30 VDC with user provided power supply Independent configuration of the output period for each channel from 1 to 65 535 ms in 1 ms increments On Off LED indicators 250 Vims CAT II continuous channel to ground isolation verified by 2 300 V ms 5 s dielectric withstand test 40 to 70 C operation Hot swappable NATIONAL INSTRUMENTS Installing the FP PWM 520 The FP PWM 520 mounts on a FieldPoint terminal base FP TB x which provides operating power to the module Installing the FP PWM 520 onto a powered terminal base does not disrupt the operation of the bank To install the FP PWM 520 refer to Figure 1 and complete the following steps l Slide the ter
8. g only a small leakage current to flow National Instruments Corp 5 FP PWM 520 and cFP PWM 520 In the ON state the effective resistance between Voyr and Vsup causes a voltage drop between the external supply voltage and the output voltage For example if the external supply voltage is 5 V and the output current is 1 A calculate the output voltage as follows 5V LAX Roy Vour where Roy is the ON resistance and Voy is the output voltage Refer to the Specifications section for the value of the ON resistance Short Circuit Protection If the protection circuitry detects a short circuit condition on an output channel it disables the output If the protection circuitry disables an output that would otherwise be in the ON state the status indicator for that channel is still lit but the output transistor is turned off Detecting a Short Circuit Condition To determine whether a channel is in a short circuit condition complete the following steps 1 In FieldPoint software set the duty cycle to 100 for the channel in question Refer to the Configuring the Output Channels section for more information about configuring the duty cycle 2 Measure the voltage between the Voyr and Vsup terminals for that channel Under normal load conditions the Voyr to Vsyp voltage is less than 1 V when the output is ON continuously Any voltage higher than 1 V indicates a short circuit Typically the Vout to COM voltage is almost zero
9. hina For information about China RoHS compliance go to ni com environment rohs china National Instruments Corp 17 FP PWM 520 and cFP PWM 520 Where to Go for Support For more information about setting up the FieldPoint system refer to these National Instruments documents FieldPoint network module user manual e Other FieldPoint I O module operating instructions FieldPoint terminal base and connector block operating instructions Go to ni com support for the most current manuals examples and troubleshooting information For telephone support in the United States create your service request at ni com ask 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 43 662 457990 0 Belgium 32 0 2 757 0020 Brazil 55 11 3262 3599 Canada 800 433 3488 China 86 21 5050 9800 Czech Republic 420 224 235 774 Denmark 45 45 76 26 00 Finland 358 0 9 725 72511 France 01 57 66 24 24 Germany 49 89 7413130 India 91 80 41190000 Israel 972 3 6393737 Italy 39 02 41309277 Japan 0120 527196 Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 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 7 495 783 6851 Singapore 1800 226 5886 Sl
10. if the protection circuitry is activated Resetting a Channel in a Short Circuit Condition To reset a channel in a short circuit condition you must first determine the cause of the condition and disconnect the load from the channel if necessary When you have corrected the cause of the short circuit condition reset the channel in any of the following ways e In FieldPoint software set the duty cycle to 0 The channel resets immediately FP PWM 520 and cFP PWM 520 6 ni com e Disconnect the external power supply from the c FP PWM 520 Remove the c FP PWM 520 from the terminal base or backplane Power off or restart the network module connected to the c FP PWM 520 Overcurrent Protection Each output channel on the c FP PWM 520 has circuitry that protects it from current surges resulting from short circuits Whether the module suffers damage from overcurrent conditions depends on the following factors The amount of current through the channel The amount of time the current is above the current limit The frequency of current surges If the level of current through the output terminal is higher than the guaranteed trip current for the module the channel trips and goes into an overcurrent state In an overcurrent state the channel turns off and the module is not damaged If the level of current through the output terminal is higher than the minimum possible trip current and lower than the guaranteed trip cur
11. ion of the module For example part number 185715A 02 identifies a revision A cFP PWM 520 The part number is printed on a label on the module On the FP PWM 520 the label is on the bottom of the module On the cFP PWM 520 the label is on the back of the module FP PWM 520 and cFP PWM 520 12 ni com Guaranteed trip current Revision E and later modules 12 5 A Revision D and earlier Trip time Revision E and later modules 10 us at 13 A Behavior revision E and later modules Current Level Channel Behavior Module Protection 0 1A Channel does not trip Module is not damaged 1 9A Channel does not trip Module may be damaged 9 12 5 A Channel may trip Module may be damaged 12 5A Channel trips Module is not damaged Behavior revision D and earlier modules Current Level Channel Behavior Module Protection 0 1A Channel does not trip Module is not damaged 1 20 A Channel may trip Module may be damaged 220A Channel trips Module is not damaged Physical Characteristics Indicators sener nada a Green POWER and READY indicators eight green output state indicators Weight FP PWM 520 sene 140 g 4 9 oz cFP PWM 520 cesses 110 g 3 9 oz National Instruments Corp 13 FP PWM 520 and cFP PWM 520 Mechanical Dimensions Figure 5 shows the mechanical dimensions of the FP PWM 520 installed on a terminal base If you are using the cFP PWM 520 refer to yo
12. minal base key to either position X used for any module or position 4 used for the FP PWM 520 module Align the FP PWM 520 alignment slots with the guide rails on the terminal base Press firmly to seat the FP PWM 520 on the terminal base When the module is firmly seated the terminal base latch locks it into place 1 0 Module 3 Alignment Slot 5 Latch Terminal Base 4 Terminal Base Key 6 Guide Rails Figure 1 Installing the FP PWM 520 FP PWM 520 and cFP PWM 520 2 ni com Installing the cFP PWM 520 The cFP PWM 520 mounts on a Compact FieldPoint backplane cFP BP x or cFP 180x which provides operating power to the module Installing the cFP PWM 520 onto a powered backplane does not disrupt the operation of the bank To install the cFP PWM 520 refer to Figure 2 and complete the following steps 1 Align the captive screws on the cFP PWM 520 with the screw holes on the backplane The alignment keys on the cFP PWM 520 prevent backward insertion 2 Press firmly to seat the cFP PWM 520 on the backplane 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 Ib in of torque The nylon coating on the screws prevents them from loosening eeeccccccccccccco oo 1 cFP I O Module 4 Screw Holes 2 Captive Screws 5 cFP Backplane 3 cFP Controller Module Figure 2 Installi
13. ng the cFP PWM 520 National Instruments Corp 3 FP PWM 520 and cFP PWM 520 Wiring the c FP PWM 520 The FP TB x terminal base has connections for each of the eight output channels and for an external power supply to power the output channels and field devices The cFP CB x connector block provides the same connections Each channel has one output terminal Voy one supply terminal Vsyp and two common terminals COM All eight channels are referenced to the COM terminals The V and Vsup terminals are all internally connected as are the C and COM terminals Table 1 lists the terminal assignments for the signals of each channel Terminal assignments are also listed on the side panel of the cFP PWM 520 and under the slide in card on the front of the FP PWM 520 Connect to the terminals using the terminal base connector block or other connectivity accessory Table 1 Terminal Assignments Terminal Numbers Channel Vovr Vsup COM 0 1 17 2 18 1 3 19 4 20 2 5 21 6 22 3 7 23 8 24 4 9 25 10 26 5 11 2 12 28 6 13 29 14 30 J 15 31 16 32 Install a 1 A maximum fast acting fuse on each Voyr terminal T Install a 2 A maximum fast acting fuse on each V syp terminal Use a 5 VDC or 10 30 VDC external power supply for the output channels The power supply must provide enough current to power all of the loads on the output channels up to a maximum of 1 A per channel Connect
14. on device across the external power supply and the COM terminal The device must prevent the external power supply voltage from exceeding 42 V if there is a transient overvoltage condition gt Pee P Special Conditions for Hazardous Locations Use in Europe The cFP PWM 520 has been evaluated as EEx nC IIC T4 equipment under DEMKO Certificate No 03 ATEX 0251502X Each module is marked II 3G and is suitable for use in Zone 2 hazardous locations National Instruments Corp 11 FP PWM 520 and cFP PWM 520 Specifications The following specifications are typical for a range of 40 to 70 C unless otherwise noted Output Characteristics Number of channels 8 Output type seen Sourcing Supply voltage Output current x Output impedance Supply voltage sss 5 VDC or 10 to 30 VDC user provided Output voltage Maximum output current per channel Temperature Ranges Module 40 to 50 C 50 to 60 C 60 to 70 C cFP PWM 520 1A 0 75 A 0 5 A FP PWM 520 1A 1A 1A ON resistance Revision E and later modules 0 15 Q Revision D and earlier inodules i5 352 c eet 0 3 Q 1 3 us any period and duty cycle Pulse width accuracy Short Circuit Protection Minimum trip current Revision E and later modules 9 A Revision D and earlier modules reete reet 1A 1 The letter in the part number identifies the revis
15. ovenia 386 3 425 42 00 South Africa 27 0 11 805 8197 Spain 34 91 640 0085 Sweden 46 0 8 587 895 00 Switzerland 41 56 2005151 Taiwan 886 02 2377 2222 Thailand 662 278 6777 Turkey 90 212 279 3031 United Kingdom 44 0 1635 523545 FP PWM 520 and cFP PWM 520 18 ni com National Instruments NI ni com and LabVIEW are trademarks of National Instruments Corporation Refer to the Terms of Use section on ni com 1ega1 for more information about National Instruments trademarks Other 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 media or ni com patents 2002 2008 National Instruments Corp All rights reserved 373357E 01 Jun08
16. rent the state of the channel is indeterminate and depends on factors such as the current level the temperature and the power supply Inrush currents that exist for less than the trip time do not trip the protection circuitry Refer to the Specifications section for more information about the maximum continuous output current trip current and trip time Power Supplies and Overcurrent Conditions If a short circuit occurs the current through an output terminal can exceed the current rating for the power supply and the maximum continuous current for the c FP PWM 520 If the power supply you are using with the c FP PWM 520 cannot supply more than the guaranteed trip current the module may be damaged if a short circuit occurs National Instruments Corp 7 FP PWM 520 and cFP PWM 520 Configuring the Output Channels A c FP PWM 520 output channel uses period and duty cycle settings to determine when the channel is on or off To configure the period complete the following steps in Measurement amp Automation Explorer MAX 1 On the Channel Configuration tab for the c FP PWM 520 select Period from the Attribute menu 2 Enter an integer between 1 ms 1 kHz and 65 535 ms 0 01525 Hz in the Value field To configure the duty cycle write to the channel for which you want to set the duty cycle The duty cycle is the proportion of time that the PWM signal is ON over the period OnTime 100 Period s Duty Cycle
17. ur Compact FieldPoint controller user manual for the dimensions and cabling clearance requirements of the Compact FieldPoint system lt 107 19 mm 4 31 in m AI LT qe 91 44 mm 1 3 60 in i Figure 5 FP PWM 520 Mechanical Dimensions Power Requirements Power from network module 1W Isolation Voltage Isolation voltage is verified by a dielectric withstand test Channel to ground isolation Continuous ossessi 250 Vms Measurement Category II Dielectric withstand 2 300 Vins 5 s max 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 40 to 70 C Storage temperature 55 to 85 C Hutn dity un tete en 10 to 90 RH noncondensing Maximum altitude 2 000 m Pollution Degree 2 FP PWM 520 and cFP PWM 520 14 ni com Shock and Vibration These specifications apply only to the cFP PWM 520 NI recommends Compact FieldPoint if your application is subject to shock and vibration Operating vibration random IEC 60068 2 64 ess 10 500 Hz 5 gu Operating vibration sinusoidal IEC 60068 2 6 sess 10 500 Hz 5g Operating shock IEC 60068 2 27
18. y contain hazardous voltages This section describes the isolation of the c FP PWM 520 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 Vim Measurement Category II continuous isolation verified by 2 300 V 5 s dielectric withstand test The c FP PWM 520 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 application as is the c FP PWM 520 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 National Instruments Corp 9 FP PWM 520 and cFP PWM 520 Even though the c FP PWM 520 is designed to handle applications with hazardous potentials follow these guidelines to ensure a safe total system There is no isolation between channels on the c FP PWM 520 If a hazardous voltage is present on any channel all channels are considered hazardous
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