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MID-7604/7602 Power Drive 4 ni.com
Introduction
National Instruments’ MID-7604/7602 power drive is a complete power
amplifier and system interface for use with four or two axes of
simultaneous stepper motion control. Ideally suited to industrial and
laboratory applications, the MID-7604/7602 has everything you need to
connect motors, encoders, limit switches, I/O, and other motion hardware
to National Instruments’ motion controllers.
The MID-7604/7602 can drive a broad range of stepper motors with its
rugged microstepping bipolar chopper driver and user-selectable
current-per-phase settings. In all configurations, powersupplies are built-in
and use standard 230/115 VAC for operation. Electronics are fan-cooled to
assure reliable operation.
The MID-7604/7602 simplifiesfield wiring through separate encoder,limit
switch, and motor power removable screw terminal connector blocks for
each axis. The terminal blocks do not require special wiring tools for
installation. The MID-7604/7602 connects to National Instruments’
motion controllers via a 68-pin, high-density interconnect cable.
The MID-7604/7602 has four levels of amplifier inhibit/disable protection
for motion system shutdown. The front panel contains both enable and
power switches for direct motor inhibiting and system power-down
operations. The MID-7604/7602 also has a host bus power interlock that
activates an internal driver inhibit signal if the host computer is shut down
or the motion controller interface cable is disconnected. The inhibit input
from the back panel connectors also inhibits the stepper drives when
activated.
The MID-7604/7602 is packaged in a rugged, lightweight enclosure that
can be used as a benchtop unit, panel mounted using a panel-mount kit, or
rack mounted using a 19-inch standard rack kit.
What You Need to Get Started
To set up and use your MID-7604/7602 accessory, you must have the
following items:
❑
MID-7604/7602 power drive
❑
MID-7604/7602 Power Drive User Guide
❑
Power cord (IEC type)
❑
Panel-mount kit (part number 187243-01)