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High Resolution Stepper Drive System, Model 789A-30 pages
Model 789A-3
Stepper Drives
Scan Controllers
MODEL 789A-3 SCAN CONTROLLER
•
Selectable Speeds
Local Mode — 0.1 to 999.9 Å/Min. (Most
Monochromators)
RS232 — Dependent on Monochromator and
Grating (Consult factory.)
•
Selectable baud rates: 300, 1200, 2400,
4800, 9600, 19.2K, and 39K (Factory set to
9600)
•
Limit interlock system
•
Operates in either direction
•
Slew function permits high speed go to
•
Motor interlock system
•
LEDs provide status Information at a glance
•
RS232 communications standard, IEEE
available
•
LED digital display available
The Model 789A-3 scan controller provides the
user with a low cost, high resolution, easy to use,
stepper motor scanning system.
The Model 789A-3 comes complete with a
stepping motor to fit McPherson monochromators or sample handling accessories. The
cabling for power and limit switches, controller,
and power supply are furnished with this
controller. Selectable features include scanning
direction, rate, and motor enable/disable. User
friendly front panel controls selection of all
functions. Our standard smart serial interface
permits selectable features to be changed
remotely. No analog to digital or I/O boards
required.
For users interested in controlling devices via
TTL or C-MOS logic, consult factory for details.
Please specify 110 V/60 Hz or 220/50 Hz with
your order, also indicate the model number of the
instrument to be fitted if not ordering with the
instrument.
SPECIFICATIONS
Power
115/220 VAC, 50/60 Hz, 29 Watts
Motor
24 volts @ 1.0 amp/phase (NEMA-23) (Consult factory for other available
motors.)
Physical Dimensions Width: 8.38 In (21.27 cm)
Height: 5.22 In (13.26 on)
Depth: 14-38 In (36.51 cm)
Motor Resolution
Weight
W2115-1
36,000 step/rev - Standard, Up to 50,000 step/rev available
8.75 lbs (3.98 Kg)
