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NI 9144 User Guide and Specifications
10
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Understanding LED Indications
Figure 9 shows the NI 9144 chassis LEDs.
Figure 9. NI 9144 Chassis LEDs
POWER LED
The POWER LED is lit while the NI 9144 chassis is powered on. This LED
indicates that the power supply connected to the chassis is adequate.
indicates that the power supply connected to the chassis is adequate.
FPGA LED—Open FPGA Mode Only
This LED is for Open FPGA mode only. This mode is currently not
activated.
activated.
RUN and ERR LEDs
The RUN LED is green and indicates that the NI 9144 is in an operational
state. The ERR (error) LED is red and indicates error codes. Table 1 lists
the RUN and ERR LED indications.
state. The ERR (error) LED is red and indicates error codes. Table 1 lists
the RUN and ERR LED indications.
Table 1. RUN and ERR LED Indications
LED
Behavior
RUN LED
ERR LED
Run Mode
Description
Error Mode
Description
Off
INIT (Initialize)
Slave discovery and
Initialization
Initialization
No Error
—
Blinking
PRE-OP
(Pre-Operational)
(Pre-Operational)
Module detection,
configuration, and
synchronization
configuration, and
synchronization
Invalid
Configuration
Configuration
Unsupported
Module, Bad
Device Profile,
Object Dictionary,
and configuration
Module, Bad
Device Profile,
Object Dictionary,
and configuration
Single-Flash
SAFE-OP
(Safe
Operational)
(Safe
Operational)
Inputs are
functional, outputs
drive constant safe
values
functional, outputs
drive constant safe
values
Unsolicited
State Change
State Change
Backplane or
Module
emergency
condition
Module
emergency
condition
POWER
FPGA
RUN
ERR
FPGA
RUN
ERR