NI SMD-7611/7612 User Manual
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© National Instruments
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purpose of this section is to alert users to possible safety hazards associated with this equipment
and the precautions that need to be taken to reduce the risk of personal injury and damage to the
equipment. Failure to observe these precautions could result in serious bodily injury, damage to
the equipment, or operational difficulty.
Block Diagram
Figure 1.
NI SMD-7611/7612 Block Diagram
Getting Started
You need the following to use your NI SMD-7611/7612 stepper drive:
a 12 to 48 VDC power supply (60 V max for NI SMD-7612). Refer to
for help in choosing the right power supply
one of the recommended motors
a small flat blade screwdriver for tightening the connectors
a source of step signals, such as a PLC or motion controller
The connectors and other points of interest are illustrated below. These are detailed later in the
manual.
AMPLIFIER
24-48 VDC (SMD-7611)
24-60 VDC (SMD-7612)
from external power supply
Status LEDs
Motor Selection
Current
Idle Current
Steps/Rev
Load Inertia
Self Test
S
TEP
DIR
OUT1
Overcurrent
Sensors
motor
3.3/5/15V
Regulators
Optical
Isolation
Optical
Isolation
Software
Filter
Digital
Filter
Optical
Isolation
EN
DSP
Voltage
Sensors
12
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