Manual National Instruments EIGHT CHANNEL SPST RELAY MODULE

14 pages 0.35 mb
Download

Go to site of 14

Summary
  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 1

    323617A-01 May 2003 © 2003 National I nstruments Corp. Al l rights res erved. FieldPoint™, Nati onal Instruments™, NI™, and ni.com™ are trademarks of National Instruments Corporation. Product and company names ment ioned herein are trademark s or trade names of their respecti ve companies. For patents covering National Inst ruments product ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 2

    cFP-RLY-421 2 ni.com Before you conf igure a FieldPoint system that uses a cFP-RL Y -421 module, calculate the total power consumption of the I/O modules on the FieldPoint bank. Y ou ca n find the po wer requirement specification in the operating inst ructions for ea ch I/O module . The maximum power the netw ork module can supply is specified in t ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 3

    © National Instruments Corp. 3 cFP-RLY-421 Figure 1. Installing the cFP-RL Y -421 Wiring the cFP-RL Y -421 The cFP-CB- x connector block has conne ctions for each of the eight cFP-RL Y -421 relay channels and for an external supply to power f ield devices. If you are using the cFP-RL Y - 421 in a hazardous voltage application, you mu st use the cF ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 4

    cFP-RLY-421 4 ni.com T able 1 li sts the terminal assign ments for the signals of each channel. All of the COM terminals are conne cted internally and all of the V SUP terminals are connected inte rnally . NI does not recommend using them with the cFP-RL Y -421. Caution Cascading power between two modules defeats isolation between those modules. Ca ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 5

    © National Instruments Corp. 5 cFP-RLY-421 Connecting Loads to the cFP-RL Y -421 W ire an external po wer supply to the load and IC terminal of the individu al channel as shown in Figure 2. This method of wiring keeps the electrical connections of the cFP-RL Y -421 within safe current limits. Figure 2. Connecting a Load The cFP-RL Y -421 has eight ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 6

    cFP-RLY-421 6 ni.com In addition, the cFP-RL Y -421 has internal protection MO Vs to pre vent excessiv ely high voltag e from being applied across the contacts. The MO Vs are located between the NO and IC contacts of each relay . Howe ver , National Instruments still recommends the use of a protection circuit across an inductive load. The flyback p ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 7

    © National Instruments Corp. 7 cFP-RLY-421 Diode Circuit CR Circuits Varistor Circuit Diagram Notes Use in DC applications only . Compared to RC type, circuit delays release time (2 to 5 times values stated in catalog). For lar ger voltages, use diode with rev erse breakdo wn 10 times circu it voltage an d forward load circuit. For smaller v oltag ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 8

    cFP-RLY-421 8 ni.com In-Rush Current The type of l oad and its in-rush current charac teristics, together with switching frequency , can ca use contact welding. For loads with in-rush current, measure the steady state current and in-rush current to determine the proper rela y . Some typical types of loads and the in-rush current they create are sum ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 9

    © National Instruments Corp. 9 cFP-RLY-421 Upgrading the FieldPoint Firmware Y ou may need to upgrade the FieldPoint f irmware when you add ne w I/O modules to the FieldPoi nt system. For information on determining which fi rmware you need and ho w to upgrade the firmw are, go to ni.com/info and enter fpmatrix . Isolation and Sa fety Guidelines Ca ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 10

    cFP-RLY-421 10 ni.com •D o not share the exter nal supply voltages (the V and C terminals) with other de vices (including othe r FieldPoint de vices), unless those devices ar e isolated from human contact. • Y ou must connect the protecti ve ea rth (PE) ground terminal on the cFP-BP- x backplane to the syst em safety ground. The backplane PE gr ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 11

    © National Instruments Corp. 11 cFP-RLY-421 Specifications The follo wing specifications ar e typical for a range of – 40 to 60 °C unless otherwise noted. Relay Characteristics Number of channels ..................... ..... 8 Relay type ......... ...................... .......... 1 SPST , nonlatching Maximum switching ca pacity (resisti ve load ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 12

    cFP-RLY-421 12 ni.com Physical Indicators ..... .............. ........... ........... . Green POWER and READY indicators, 8 green output state indicators W eight cFP-RL Y -421 .................... .......... 130 g (4.5 oz) Power Requirements Power from network modul e ............ 1,700 mW Isolation Voltage Maximum isolation v oltage ............. ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 13

    © National Instruments Corp. 13 cFP-RLY-421 Safety This product is designed to meet the requirements of the following standards of safety for electric al equipment for measurement, control, and laboratory use: • IEC 61010-1, EN 61010-1 • UL 3121-1, UL 61010C-1 • CAN/CSA C22.2 No. 1010.1 For UL, hazardous location, and othe r safety certifica ...

  • National Instruments EIGHT CHANNEL SPST RELAY MODULE - page 14

    cFP-RLY-421 14 ni.com 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 connector bl ock operating instructions Go to ni.com/support for the most current ...

Manufacturer National Instruments Category Electronic Accessory

Documents that we receive from a manufacturer of a National Instruments EIGHT CHANNEL SPST RELAY MODULE can be divided into several groups. They are, among others:
- National Instruments technical drawings
- EIGHT CHANNEL SPST RELAY MODULE manuals
- National Instruments product data sheets
- information booklets
- or energy labels National Instruments EIGHT CHANNEL SPST RELAY MODULE
All of them are important, but the most important information from the point of view of use of the device are in the user manual National Instruments EIGHT CHANNEL SPST RELAY MODULE.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals National Instruments EIGHT CHANNEL SPST RELAY MODULE, service manual, brief instructions and user manuals National Instruments EIGHT CHANNEL SPST RELAY MODULE. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product National Instruments EIGHT CHANNEL SPST RELAY MODULE.

A complete manual for the device National Instruments EIGHT CHANNEL SPST RELAY MODULE, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use National Instruments EIGHT CHANNEL SPST RELAY MODULE by users. Manuals are usually written by a technical writer, but in a language understandable to all users of National Instruments EIGHT CHANNEL SPST RELAY MODULE.

A complete National Instruments manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual National Instruments EIGHT CHANNEL SPST RELAY MODULE - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the National Instruments EIGHT CHANNEL SPST RELAY MODULE, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the National Instruments EIGHT CHANNEL SPST RELAY MODULE, that we can find in the current document
3. Tips how to use the basic functions of the device National Instruments EIGHT CHANNEL SPST RELAY MODULE - which should help us in our first steps of using National Instruments EIGHT CHANNEL SPST RELAY MODULE
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with National Instruments EIGHT CHANNEL SPST RELAY MODULE
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of National Instruments EIGHT CHANNEL SPST RELAY MODULE in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning National Instruments EIGHT CHANNEL SPST RELAY MODULE?

Use the form below

If you did not solve your problem by using a manual National Instruments EIGHT CHANNEL SPST RELAY MODULE, ask a question using the form below. If a user had a similar problem with National Instruments EIGHT CHANNEL SPST RELAY MODULE it is likely that he will want to share the way to solve it.

Copy the text from the picture

Comments (0)