Do the C Series Relay Modules Reset when the Chassis is Power Cycled

Updated Jul 12, 2018

Reported In

Hardware

  • NI-9485
  • NI-9481
  • NI-9482
  • CompactDAQ Chassis
  • CompactRIO Chassis

Issue Details

I'm using a relay module and a cRIO/cDAQ chassis. I am using the relay to power other equipment and need to know if it will keep its state when the cRIO or cDAQ is powered off or reset.

Solution

Each Relay module has different specifications, so please check the documentation regarding the particular module. Information for some of the relay modules is listed below.

ModuleState
NI 9481Power-on output state = Channels off
NI 9482Power-on output state = Channels off
NI 9485Relay type= Normally open solid-state relay (SSR) 

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