DI-2108 Hardware Manual
Controls, Indicators, and Connections
14
Digital Ports
The DI-2108 contains 7 general-purpose digital ports. Each digital port can be configured as a digital input or used as a
switch to control an external load (up to 25 V and 100 mA). Many of the ports also provide specific functionality in
W
INDAQ or a third-party program.
D0 Event is for WINDAQ Remote Events. This bit inserts an event marker in your data.
D1 Record is for WINDAQ Remote Storage. This bit can be programmed to begin recording data.
D2 Rate is for Rate measurements: 10Hz to 50kHz.
D3 Count is for Counter/Timer measurements up to 65,536.
D6 Ext Trig is for third-party external triggers.
Equivalent Digital I/O Circuit:
Dig In
Dx
Dx
10
4.7K
+5
4.7K
Control
3.3V
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