Instruction manual 91/121 V6.3
Technical characteristics
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Max. dissipated power: 10 x Output Current.
–
Thermal time constant: 15’
–
Continuous power dissipated by internal clamp resistance: As from Table 2
at page 7.
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Resistance of internal or external TERMINALS (available separately).
–
Connecting TERMINALS to the D.C. BUS.
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Galvanic isolation between power and control electronics.
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Over-voltage protection on:
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Signal inputs and outputs.
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Service and power supplies.
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Switching frequency: 16KHz.
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Minimum value of the electric time constant of the motor: 1 ms. To calculate this value, see the formula in paragraph ” Motor
cable“ on page 13.
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Connections:
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Power on connectors (Size 1) or terminal block (Size 2).
–
Service and signals on connectors.
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Use with brushless motors equipped with one of the following devices:
–
Incremental encoder (5V line driver) with Hall 120° sectors.
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Resolver [optional card].
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Sinusoidal encoder (Sin-Cos outputs line driver 5V) [optional card].
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EnDat encoder [optional tab].
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Brushless tacho generator with Hall 120° sectors [optional card].
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10V tacho generator with Hall 120° sectors [optional card].
–
Use with DC motors equipped with one of the following devices:
–
Incremental encoder (5V line driver).
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Tacho generator d.c. [optional card].
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Emulated encoder output.
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Ramp on the speed signal adjustable between 1 mSec and 65.5 sec (enabled by logical control).
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Opto-isolated logical inputs (command from 15 to 30Vcc – 10mA max):
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Enable drive.
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Speed ramp enable.
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Alarm reset command.
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4 programmable inputs.
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Opto-isolated logic outputs (24Vc. – 100mA max) protected against overload and short circuit:
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Report no alarms.
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drive ready.
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No. 4 programmable outputs.
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Analog inputs (maximum differential voltage and common mode 10V).
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N°1 differential input with resolution of 15 bit + sign, input resistance: 10KW
,
programmable.
–
N°3 inputs with resolution of 11 bit + sign, input resistance: 70KW
,
programmable.
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Analog outputs (±10V max. – output resistance 1KΩ
)
:
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No. 4 programmable outputs.
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Power outputs:
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+24V ±20 % – 100mA max.
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+10V ±5 % – 5mA max.
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-10V ±5 % – 5mA max.
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Input for the thermal probe (PTC or N.C. contact) mounted in the motor.
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Input for the thermal probe (PTC or N.C. contact) mounted on the external braking resistance group.
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LED display of operation status.
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16-character LCD display on 2 lines for parameter setting and diagnostics.
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Automatic protection of the drive for:
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Internal power supply is missing or insufficient.
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Insufficient or excessive power supply (three-phase or DC-Bus).
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Motor not connected or incorrectly connected.
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Over-temperature of the drive.
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Over-temperature of capacitors on the DC-BUS.
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drive overload.
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Over-current in the drive.
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Transducer failure mounted on the motor.
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Failure or overload in the recovery circuit on resistance.
–
Failure in the drive.
Alter Elettronica s.r.l.
9
