NI SMB-2145/2146/2147/2148 User Guide
8
ni.com
6.
Apply power to the adapter module by powering on the PXI/PXIe or
Compact PCI chassis or by programmatically applying power to the
adapter module.
7.
Power on any external hardware intended for use with this system.
Connecting Signals
The NI SMB-214x provides signal connectivity to the NI 5751/5752
adapter module. You can connect to these signals from the labeled SMB
connectors on the NI SMB-214x.
Caution
Connections that exceed any of the maximum ratings for the NI SMB-214x
or the NI 5751/5752 adapter module can damage the device and the computer. Maximum
input ratings are provided in the specifications document that shipped with the adapter
module. NI is
not
liable for any damages resulting from such signal connections.
Figures 7 through 10 show the pinouts of the VHDCI connectors of
NI SMB-214x accessories. The analog inputs, digital inputs, and digital
outputs are connected to corresponding pins on the NI SMB-214x. Refer
to Table 3 for the pin descriptions.
Table 3.
VHDCI Connector Pinout Descriptions
Pin
Signal Description
AI <0..31>
Analog input channels 0 through 31
DI <0..15>
Digital input channels 0 through 15
DO <0..15>
Digital output channels 0 through 15
GND
Ground reference for signals
RSVD
Reserved for system use. Do not connect
signals to these channels.
