Table Of Contents
PXI-6552 Front Panel
Version:
Last Modified: September 13, 2017
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 |