Event input using the evaluation board
Applicable receivers: BD9250
This topic describes how to condition and analyze event input signals when using the OEM GNSS I/O development boards. This knowledge also applies to the customers’ implementation of event inputs on their carrier board for the BD9xx.
Useful links:
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For information about the web interface settings, see the topic, Receiver Configuration – General.
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Application note: Event (0) 1PPS Input Example.
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For Event 1 and Event 2 information, see below.
Event
|
Item |
Description |
|---|---|
|
Event 1 |
Event1 is multiplexed with COM4 transmit. |
|
Event 2 |
Event2 is multiplexed with CAN2 transmit and power LED. |
Trimble recommends adding a Schmitt trigger and ESD protection to the Event_In pin. This prevents any "ringing" on the input from causing multiple and incorrect events to be recognized.
