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How can I make the connections for 2 solid-state relays, requiring 20 mA each using the KUSB-3102, KUSB-3108, or KUSB-3116?

問題:

How can I make the connections for 2 solid-state relays, requiring 20 mA each using the KUSB-3102, KUSB-3108, or KUSB-3116?

答案:

Product(s):

USB Modules: KUSB-3100 Series: KUSB-3102, KUSB-3108, KUSB-3116,


Question:Can I make the connections for 2 solid-state relays, requiring 20 mA each using the KUSB-3102, KUSB-3108, or KUSB-3116?


Answer:Pin 27, on the USB module, is an isolated +5V out, however, it is rated at only 10 mA.Your options are 1) connect your relays to an external power source or 2) select a relay with a lower current requirement.

 


 Copyright 2003, Keithley Instruments, Inc.


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