Control Techniques Unidrive 1 Series, User Manual

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52
Unidrive User Guide
www.controltechniques.com Issue Number: 9
4.9.2 Specification
These descriptions apply to the default functions of the terminals. Some
macros can change terminal-functions.
1
2
Status relay contact
Default function Drive healthy
Contact voltage rating
240Vac
Installation category 1
Contact maximum current rating 5A resistive
Contact minimum current rating 10mA
Contact condition Normally open
Isolation 1.5kV
Update period 8ms
3 0V common (analog)
Function
Common connection for external
analog devices.
4 +10V reference voltage
Function
Supply for external analog signal
devices
Voltage tolerance
±
1%
Maximum output current 10mA
Protection Current limit and thermal trip
Analog input 1
5 Non-inverting input
6 Inverting input
Default function Frequency/speed reference
Type of input
Bipolar differential analog voltage or
unipolar current
(For single-ended use, connect
terminal 6 to terminal 3)
Mode controlled by... Parameter 0.24 { 7.06 }
Operating in Voltage mode
Voltage range
±
10V
Absolute maximum
voltage range
±
24V relative to 0V
±
24V differential
Input resistance 100k
Ω
Operating in current mode
Current ranges
0 to 20mA
20mA to 0
4 to 20mA
20 to 4mA
Voltage range
±
12V
Absolute maximum current 50mA
Equivalent input resistance
≤
200
Ω
at 20mA
Common to all modes
Resolution 12-bit plus sign
Sampling period default setting
PWM switching frequency dependent
OL> 1.4ms for 3, 6, & 12kHz
1.9ms for 4.5 & 9kHz
CL> 345
µ
s for 3, 6 & 12kHz
460
µ
s for 4.5 & 9kHz
7 Analog input 2
Default function Frequency/speed reference
Type of input
Bipolar single-ended analog voltage or
unipolar current
Mode controlled by... Parameter 0.25 { 7.11 }
Operating in Voltage mode
Voltage range
±
10V
Absolute maximum voltage range
±
24V relative to 0V
Input resistance 100k
Ω
Operating in current mode
Current ranges
0 to 20mA
20mA to 0
4 to 20mA
20 to 4mA
Voltage range
±
12V
Absolute maximum current 50mA
Equivalent input resistance
≤
200
Ω
at 20mA
Common to all modes
Resolution 10-bit plus sign
Sampling period default setting
PWM switching frequency dependent
OL> 1.4ms for 3, 6, & 12kHz
1.9ms for 4.5 & 9kHz
CL> 345
µ
s for 3, 6 & 12kHz
460
µ
s for 4.5 & 9kHz
8 Analog input 3
Default function Motor thermistor input (PTC)
Type of input
Bipolar single-ended analog voltage,
unipolar current or thermistor input
Mode controlled by... Parameter 7.15
Operating in Voltage mode
Voltage range
±
10V
Absolute maximum voltage range
±
24V relative to 0V
Input resistance
100k
Ω
Operating in current mode
Current ranges
0 to 20mA
20mA to 0
4 to 20mA
20 to 4mA
Voltage range
±
12V
Absolute maximum current 50mA
Equivalent input resistance ≤
200
Ω
at 20mA
Operating in thermistor mode
Internal pull-up voltage <5V
Trip threshold resistance
3 k
Ω
±
15%
Reset resistance
1.9 k
Ω
±
15%
Short-circuit detection resistance
51
Ω
±
12%
Common to all modes
Resolution 10-bit plus sign
Sampling period default setting
PWM switching frequency dependent
5.5ms for 3, 6, & 12kHz
7.4ms for 4.5 & 9kHz