LEXIUM MHDA1004, User Manual

Page: 133 / 204

119
Electrical Specifications - Signal
Motor
Overtemperature
Input
Specifications
Table The following table provides 17D motor overtemperature input specifications.
Resolver Input
Specifications
Table The following table provides resolver input specifications.
Continued on next page
MOTOR OVERTEMPERATURE INPUT
Thermistor
PTC, will generate fault when resistance exceeds 290
Ω
± 10%
(default value)*
Thermostat Closed for normal operation
*The value of the threshold is adjustable by the parameter MAXTEMPM
(see Unilink commands
)
RESOLVER
Reference 8kHz ± 0.1%
Drive capability 35 mA RMS max.
Amplitude 4.75V RMS
Pair of poles 1 (default)
Resolution
14 bits (0.02
°
)
Accuracy
12 bits (0.09
°
)
Conversion method Tracking
Resolver type Transmit mode
Resolver transformation
ratio 0.5
Loss of feedback Detection circuit included
Maximum cable length 75 m
Maximum cable
capacitance (signal
connector to shield) 120 pF/m