DI-4730 Hardware Manual
Controls, Indicators, and Connections
21
Once the switch closure or TTL signal is connected, activate Remote Storage (Record) through W
IN
D
AQ
Acquisition
Software. Storage to Disk may be automatically placed on the rising or falling edge of the trigger signal. Use the
menu command
Options
>
Remote Storage 1
to set W
IN
D
AQ
to begin recording on low-to-high transitions of the
Record input. Use the menu command
Options
>
Remote Storage 0
to set W
IN
D
AQ
to begin recording on high-to-
low transitions of the Record input.
W
IN
D
AQ
Rate (D2 Rate)
Enable channel 10 to record Rate, or the number of falling-edge transitions per unit of time that are applied to this
input. Click on
Edit
>
Channels
in the W
IN
D
AQ
Acquisition menu to open the Channel Selection grid. Channel 10 is
the designated Rate channel. Click on the Channel 10 channel box to enable/disable Rates. The Channel 10 channel
box will display an “R” when enabled.
Connect any TTL pulse stream (25 VDC max) to the D2 Rate channel on the DI-4730.
Select Channel 10 in the channel display, then select
Edit
>
Channel Settings
in the menu to specify a full scale
range for the Rate channel. Ranges of 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, and 50000 Hz are
Ethernet
USB
USB Drive
Status
Button
Power
D4
D5
D6
D3
Count
D2
Rate
D1
Record
D0
Event
Digital Inputs (0 - 25V Max)
Signal -
Excitation
