National Instruments EIGHT CHANNEL SPST RELAY MODULE manual

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Table of contents for the manual

  • Page 1

    323617A-01 May 2003 © 2003 National I nstruments Corp. Al l rights res erved. FieldPoint™, Nati o[...]

  • Page 2

    cFP-RLY-421 2 ni.com Before you conf igure a FieldPoint system that uses a cFP-RL Y -421 module, cal[...]

  • Page 3

    © National Instruments Corp. 3 cFP-RLY-421 Figure 1. Installing the cFP-RL Y -421 Wiring the cFP-RL[...]

  • Page 4

    cFP-RLY-421 4 ni.com T able 1 li sts the terminal assign ments for the signals of each channel. All [...]

  • Page 5

    © National Instruments Corp. 5 cFP-RLY-421 Connecting Loads to the cFP-RL Y -421 W ire an external [...]

  • Page 6

    cFP-RLY-421 6 ni.com In addition, the cFP-RL Y -421 has internal protection MO Vs to pre vent excess[...]

  • Page 7

    © National Instruments Corp. 7 cFP-RLY-421 Diode Circuit CR Circuits Varistor Circuit Diagram Notes[...]

  • Page 8

    cFP-RLY-421 8 ni.com In-Rush Current The type of l oad and its in-rush current charac teristics, tog[...]

  • Page 9

    © National Instruments Corp. 9 cFP-RLY-421 Upgrading the FieldPoint Firmware Y ou may need to upgra[...]

  • Page 10

    cFP-RLY-421 10 ni.com •D o not share the exter nal supply voltages (the V and C terminals) with ot[...]

  • Page 11

    © National Instruments Corp. 11 cFP-RLY-421 Specifications The follo wing specifications ar e typic[...]

  • Page 12

    cFP-RLY-421 12 ni.com Physical Indicators ..... .............. ........... ........... . Green POWER[...]

  • Page 13

    © National Instruments Corp. 13 cFP-RLY-421 Safety This product is designed to meet the requirement[...]

  • Page 14

    cFP-RLY-421 14 ni.com Where to Go for Support For more information about settin g up the FieldPoint [...]