Front Panel
Table 1.
PXI-6552 ACCESS LED Indicators
Callout |
LED Color |
Indication |
1 |
Off |
Device not ready |
Amber |
Device being accessed by software |
Green |
Device ready to be programmed |
Red |
Running the niHIDIO Self Test node or calling the niHSDIO_self_test function produced a failure |
Table 2.
PXI-6552 ACTIVE LED Indicators
Callout |
LED Color |
Indication |
2 |
Off |
Device not armed and not triggered |
Amber |
Device armed and awaiting Start Trigger; if performing a dynamic acquisition operation, the device may be acquiring pretrigger samples. |
Green |
Device received Start Trigger |
Red |
Error condition |
Table 3.
PXI-6552 Signal Descriptions
Callout |
Signal |
Connector Type |
Description |
3 |
CLK IN |
SMB jack |
External Sample Clock, external PLL reference input |
4 |
PFI 0 |
Events, triggers |
5 |
CLK OUT |
Exported Sample Clock, exported Reference Clock |
6 |
Digital Data & Control (DDC) |
68-pin VHDCI |
Digital data channels, exported Sample Clock, STROBE, events, triggers |
Digital Data & Control Pinout
Table 4. Digital Data & Control Signal Descriptions
Signal |
Description |
DDC CLK OUT |
Sample clock out connection |
DIO |
Digital input/output connection |
GND |
Ground connection |
PFI |
Trigger input/event output connection |
RSVD |
Reserved, do not connect |
STROBE |
Sample clock source connection |