What is the maximum output current of the 5V supply on the sbRIO-9637 to the DIO connectors?
The 5 VDC Power Output of the 50-Pin IDC Connector allows a maximum current of 1.5 A, protected by a fuse. You can find the power output characteristics on the device's specification document under the section "Power Outputs on 50-Pin IDC Connector".
For the individual channels, the NI sbRIO device is tested with all DIO channels driving ±3 mA DC loads. You can find the DIO lines characteristics on the device's specification document under the section "3.3 V Digital I/O on 50-Pin IDC Connector ".
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