Led status indicators – PNI Legacy Comm Board User Manual
Page 31

PNI Corporation 133 Aviation Blvd., Suite 101, Santa Rosa, CA 95403-1084 USA;, Fax: (707) 566-2261
For the most current specifications, please visit our website at:
www.pnicorp.com
Page 31 of 42
PNI CommBoard (RS-232 and RS-485)
LED Status Indicators
1. A live indicator, toggling every ½ second.
2. Not used.
3. Not used.
4. On during transition, off when not in transition.
Figure 2: CommBoard Status Indicators
CommBoard
SPI Interface to Sensor Module