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Getting Started with NI SMD-7620/7621 and NI 73xx
Figure 4 shows the SMD-7620/7621 Drive Command and I/O Connector location and pinout.
Figure 4.
SMD-7620/7621 Drive Command and I/O Connector
Step 3: Connect the Drive Ena
b
le Signal to the UMI-7772/7774
Complete the following steps to connect the Drive Enable signal, which controls the enable
function of the drive:
1.
Connect the X3/EN+ terminal (pin5) to the DB15M cable pin 6 wire (green) which
corresponds to the UMI-7772/7774 Enable terminal.
2.
Connect the X3/EN- terminal (pin 6) to the DB15M cable pin 15 wire (red/white) which
corresponds to the UMI-7772/7774 C
iso
terminal.
Step 4: (Optional) Connect the Drive Fault Signal to the
UMI-7772/7774
Complete the following optional steps to connect the drive fault signal to monitor the
NI SMD-7620/7621 for faults.
1.
Connect the Y1+ terminal (pin 11) to the DB15M cable pin 8 wire (purple) which
corresponds to the UMI-7772/7774 V
iso
terminal.
2.
Connect the Y1- terminal (pin 12) to the DB15M cable pin 7 wire (blue) which corresponds
to the UMI-7772/7774 Fault+ terminal.
3.
Connect the DB15M cable pin 14 wire (brown/white) which corresponds to the
UMI-7772/7774 Fault- terminal to the DB15M cable pin 15 wire (red/white), which
corresponds to the UMI-7772/7774 C
iso
terminal.
A+ A-
B-
B+
L N
X1/
S
TEP+
X1/
S
TEP–
X2/DIR+
X2/DIR–
X
3
/EN+
X
3
/EN–
GND
+5V OUT
(100 mA MAX)
Re
s
erved
Re
s
erved
Y1+
Y1–
Y2+
Y2–
Re
s
erved
1
2
3
4
5
6
7
8
9
10
11
12
1
3
14
15
