Refer to the following when making connections to the front panel of the NI-4134 and to understand the behavior of the front panel
LED indicators.
Table 1. Front Panel Signal Descriptions
and Destinations
| |
Signal |
Connector Type |
Description |
Destination |
| 1 |
FORCE HI
|
Triaxial (female) |
Pin: HI |
PXIe-4135
Output HI triax
|
| 2 |
Inner shield: Guard |
| 3 |
Outer shield: Chassis ground |
| 4 |
SENSE HI
|
Triaxial (female) |
Pin: Sense HI |
PXIe-4135
Sense HI triax
|
| 5 |
Inner shield: Guard |
| 6 |
Outer shield: Chassis ground |
| 7 |
|
USB Type B (female)
|
USB communication/control |
PC or controller USB port |
| 8 |
POWER |
2-contact MINI-COMBICON
|
External 12 V power input
|
External 12 V power supply
|
| 9 |
|
Grounding screw |
Protective earth ground |
Grounding electrode system of the facility |
Table 2. Front Panel LED Indicators
| |
LED |
Status Indicator |
Description |
| 10 |
POWER |
(Off) |
Not powered |
| Green |
Powered |
| 11 |
TX |
(Off) |
Not transmitting data |
| Green |
Transmitting data |
| 12 |
RX |
(Off) |
Not receiving data |
| Green |
Receiving data |
| 13 |
ACTIVE |
(Off) |
Output disabled:
-
NI-4134 mode is set to
disabled
-
NI-4134 mode is set to fast
pulse mode or negative fast pulse mode but is not outputting
a pulse or awaiting a trigger
|
| Green |
Output enabled:
-
NI-4134 mode is set to fast
pulse mode or negative fast pulse mode and is either
outputting a pulse or awaiting a trigger
|
