User manual

Chapter 1 BNC-2090A Overview
BNC-2090A User Manual 1-6 ni.com
Figure 1-4 shows the BNC-2090A connected directly to different
E Series DAQ systems.
Figure 1-4. Direct Connection of E Series DAQ Devices to the BNC-2090A
If the +5V LED does not light, check the cable connections.
6. Connect signals to the BNC connectors and spring terminal block as
described in Chapter 2, Connecting Signals.
When you have finished using the BNC-2090A, power off any external
signals connected to the BNC-2090A before you power off your computer.
Note You can connect 68-pin cables to both the front connector and the rear connector of
the BNC-2090A to create a pass-through.
Caution Do not connect input voltages greater than 42.4 V
pk
/60 VDC to the BNC-2090A.
The BNC-2090A is not designed for any input voltages greater than 42.4 V
pk
/60 VDC,
even if a user-installed voltage divider reduces the voltage to within the input range of the
DAQ device. Input voltages greater than 42.4 V
pk
/60 VDC can damage the BNC-2090A,
68-Pin
E Series
DAQ Device
100-Pin
E Series
DAQ Device
BNC-2090A
BNC-2090A
SH68-68-EP or R6868 Cable
SH1006868 Cable
Extended DIO
68-Position
Connector
68-Pin
E Series
DAQCard Device
BNC-2090A
68-Position
VHDCI Connector
68-Position
Connector
100-Position
Connector
68-Position
Connector
68-Position
Connector
MIO-16
68-Position
Connector
SHC68-68-EPM or RC68-68 Cable