SAFTRONICS
2
•••••
Isolated current feedback
AC current transformers sense current in each bridge.
•••••
Impedance-isolated armature voltage feedback
High impedance resistive voltage divider network used for arma-
ture voltage feedback.
•••••
Tachogenerator feedback
50 volt/1000 rpm tachometers may only be used for speed
feedback.
•••••
Dual AC line voltage
120 or 240 vac line voltages are plug selectable.
•••••
Dual field voltage
100/50 or 200/100 volt field supplies for 120 or 240 ac line
voltages.
•••••
M12V and -12V reference supply
•••••
Regenerative braking to zero speed with signal contact
output
•••••
LED indication
Power on (DS8 red)
Forward speed reference (DS5 green)
Reverse speed reference (DS4 red)
Forward amplifier output (DS7 green)
Reverse amplifier output (DS6 red)
Run relay energized (DS2 red)
Inhibit (DS3 red)
Zero speed (DS1 red)
1.2 Standard Features
•••••
Power
Single phase 120 or 240 vac, 50/60 Hz., (
±
10%).
•••••
Speed range
30:1 with armature feedback, 50:1 with tachometer feedback.
•••••
Load regulation
±
3% with armature voltage,
(±
10% line voltage change).
•••••
Acceleration/Deceleration
Adjustable: 0.1-30 seconds from 0 to full speed.
•••••
Temperature range
32°F - 104°F (0-40°C).
•••••
Altitude
2000 feet (600m) maximum without derating.
•••••
Regenerative braking
Upon application of a stop signal the drive will regeneratively
brake and stop at zero speed. This feature depends on the setting
of jumper P1 (see page 5).
2.1 Electical
2.0 SPECIFICATIONS
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