AMS90/1
APPLICATION MANUAL
15P0056B1
3/17
GENERAL FEATURES
GENERAL FEATURES
Application
AMS90/1 is a HALF-CONTROLLED AC/DC SINGLE-PHASE DRIVE used to
supply armature and field circuits of D.C. motors, with SMT analog circuit for
speed or torque control.
Supply mains
230/400V
AC
single-phase, through voltage switching jumpers, 50/60Hz through
selection dip-switches. 415/440V
AC
voltages on demand.
Field supply
Single-phase rectifier bridge with suppression varistor.
Armature voltage
0…280V
DC
(for 400V
AC
mains).
Mains insulation
Galvanic type, with tacho generator feedback.
Reference supplies
Stabilized, with values ranging from +10V
DC
to –10V
DC
.
Speed inputs
1 direct input + 1 ramp input, through voltage reference signal 0…+10V
DC
, with
terminal board output.
1 direct input through current reference signal 4…20mA, to be selected through
proper jumper setting.
Adjustments
Max. and min. speed value (min. value selectable through potentiometer).
Stability.
Internal or external current limit.
Armature compensation.
Acceleration and deceleration ramps.
Speed offset.
Light indicators
Presence of supply direct voltages.
Current limit reached.
Zero speed.
Running drive.
Auxiliary functions
Gradual acceleration and deceleration, with run automatic release.
Tacho generator feedback with automatic polarity rectification.
High-impedance armature feedback, with R x I drop compensation.
Current limit
Selectable through internal trimmer or external voltage 0…-10V
DC
.
Analog outputs
Voltage signal 0…+10V
DC
V OUT
proportional to motor speed.
Current signal 0…+10V
DC
I OUT
proportional to armature current.
Digital I/Os
Input for
RUN/STAND BY
control through high or low voltage level, selectable
through jumper.
Output with insulated relay contact, for zero speed signalling.
Room conditions
Natural ventilation.
Temperature from 0 to 40
°
C max. with 4% derating for every degree of increase.
Relative humidity 20…90% (without dew).
Height: 1000m max (a.s.l.). 1% derating for every 100m increase.
Weight
2.65kg for AMS90/1.10 and .20; 3.3kg for AMS90/1.30.
Protection degree
IP20.
