
GPIO and Remote Connections in MX Ultranet and MX Sync
Vicon MX Hardware System Reference B-5
The example in Table B-4 shows the status events output by the GPIO
after the remote action has been triggered by a Kyowa-Dengyo Force
Plate (where High=5V and Low=0V).
Custom GPO Programming
To activate a custom program specifying how the Vicon system is to
interact with your third-party external device from the Vicon
software, you must create a .gpo configuration file. This file specifies
the characteristics of a synchronization signal through the GPIO &
Remote socket on the rear panel of the MX Ultranet. For example,
.gpo files supplied with the Vicon Reference Video system option
specify the relationship of the frame rate of a connected reference
video camera with that of MX Cameras.
You can create .gpo files to send the following types of
synchronization signal:
• GPO1: single frame synchronous signal that can trigger an arm or
a capture state
• GPO2: repetitive pulse signal that starts on the first video capture
frame and stops on the last
This section describes how to create a .gpo file to activate the GPO
outputs that send the desired synchronization signals. For details on
how to specify your .gpo configuration file during motion capture, see
the documentation for your Vicon software.
Table B-4: GPIO control output status—Kyowa-Dengyo Force Plates
Output Status Vicon System Event
GPO 1 GPO 2 GPO 3 GPO 4
High— ——Capturing
Low — — — Idle (no capture in progress)
—Zero
Balance
+CAL -CAL Reserved for use by Kyowa-
Dengyo Force Plates. For
details, contact your local
representative.
MXhardware_Reference.book Page 5 Monday, April 30, 2007 1:56 PM
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