© National Instruments
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2-15
Figure 2-10.
NI 9516 MDR Connector Pin Assignments
LED Indicators
The NI 951x has four LEDs to display status information.
Axis Status
The Axis Status LED (green) has three states to display axis status.
•
Off
—The module is in sleep mode or failed to boot correctly. Refer to the
NI SoftMotion
Module
book of the
LabVIEW Help
for troubleshooting information.
•
Flashing
—The module booted up correctly and is functional.
•
Lit
—The module is functional and the drive enable output is active.
1
Axis Status (Green)
2
Encoder Active (Green)
3
Limit Active (Yellow)
4
Axis Fault (Red)
10
9
8
7
6
5
4
3
2
1
11
20
19
1
8
17
16
15
14
1
3
12
Po
s
ition Comp
a
re
+5 V OUT
COM
Encoder 0 Index–
Encoder 0 Index+
Encoder 1 Ph
as
e B–
Digit
a
l Inp
u
t 0
COM
Home
Forw
a
rd Limit
Encoder 0 Ph
as
e A+
Encoder 0 Ph
as
e B–
Encoder 0 Ph
as
e B+
Encoder 1 Ph
as
e B+
Encoder 1 Ph
as
e A–
V
su
p
Encoder 1 Ph
as
e A+
Rever
s
e Limit
Po
s
ition C
a
pt
u
re
Encoder 0 Ph
as
e A–
1
2
3
4
