National Instruments Isolated Current Output Module SCC-CO20 User Manual - What You Need to Get Started

Manual is about: National Instruments Isolated Current Output Module User's Guide

Summary of Isolated Current Output Module SCC-CO20

  • Page 1

    User guide scc-co20 isolated current output module the scc-co20 is an isolated current output module that outputs up to 20 ma. The output current level is proportional to the voltage applied to the module by an analog output channel of an e/m series daq device. Conventions the following conventions ...

  • Page 2: What You Need to Get Started

    Scc-co20 isolated current output module user guide 2 ni.Com italic italic text denotes variables, emphasis, a cross-reference, or an introduction to a key concept. Italic text also denotes text that is a placeholder for a word or value that you must supply. Monospace text in this font denotes text o...

  • Page 3: Device Specific Information

    © national instruments corporation 3 scc-co20 isolated current output module user guide ❑ tools – 1/8 in. Flathead screwdriver – numbers 1 and 2 phillips screwdrivers – wire insulation stripper note software scaling of measurements is not supported on the macintosh operating system. Refer to the scc...

  • Page 4

    Scc-co20 isolated current output module user guide 4 ni.Com figure 1. Scc-co20 signal connections to e/m series daq device using the isolated loop supply of the scc-co20 you can connect the scc-co20 to a load using either the isolated internal loop supply or an external supply. The internal loop sup...

  • Page 5

    © national instruments corporation 5 scc-co20 isolated current output module user guide note if your load is grounded and you are using the internal supply, connect the load ground to the current sink terminal at pin 2 on the scc-co20. Do not connect the load ground to the isolated ground terminal b...

  • Page 6

    Scc-co20 isolated current output module user guide 6 ni.Com figure 3. Connecting two scc-co20 modules to a higher-resistance load scc-co20 1 2 + – 15 v iso 3 scc-co20 1 2 + – 15 v iso 3 load supply sink iso gnd supply i i.

  • Page 7

    © national instruments corporation 7 scc-co20 isolated current output module user guide using an external loop supply in order for the current sink to operate properly with an external loop supply, the voltage must be within the range of 3 to 42 v. If the voltage is too high, overheating can occur a...

  • Page 8

    Scc-co20 isolated current output module user guide 8 ni.Com figure 5. Connecting the scc-co20 to a grounded external loop supply and a grounded load for information about how to configure the scc-co20 module using ni-daqmx, refer to the scc quick start guide . Calibrating gain and offset errors the ...

  • Page 9: Using The Scc-Co20

    © national instruments corporation 9 scc-co20 isolated current output module user guide note normally you would adjust to 0 μ a in order to calibrate the offset, but because the scc-co20 cannot source current, it is impossible to know when you have adjusted past 0 μ a. Using the scc-co20 the scc-co2...

  • Page 10: Specifications

    Scc-co20 isolated current output module user guide 10 ni.Com specifications these ratings are typical at 25 ° c unless otherwise stated. Electrical number of output channels.....................1 output referencing ..................................Nonreferenced (floating) input range .................

  • Page 11

    © national instruments corporation 11 scc-co20 isolated current output module user guide physical figure 6. Scc-co20 dimensions weight .................................................... 28 g (1.0 oz) i/o connectors ........................................ One 20-pin right-angle male connector one ...

  • Page 12

    Scc-co20 isolated current output module user guide 12 ni.Com environmental operating temperature ............................0 to 50 °c storage temperature ................................–20 to 70 °c humidity .................................................10 to 90% rh, noncondensing maximum altit...

  • Page 13: Rohs

    © national instruments corporation 13 scc-co20 isolated current output module user guide online product certification refer to the product declaration of conformity (doc) for additional regulatory compliance information. To obtain product certifications and the doc for this product, visit ni.Com/cer...

  • Page 14

    Scc-co20 isolated current output module user guide 14 ni.Com scc-co20 module pin assignments figure 7 shows the i/o connector pins on the bottom of the module. Figure 7. Scc-co20 bottom view table 1 lists the signal connection corresponding to each pin. 1 pin 1 2 pin 2 3 pwb key 4 pin 19 5 pin 20 ta...

  • Page 15

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