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90
Affinity User Guide
www.controltechniques.com Issue Number: 5
4.13.2 Control terminal specification
1
0V common
Function
Common connection for all external
devices
2
+24V external input
Function
To supply the control circuit
without providing a supply to the
power stage
Nominal voltage
+24.0Vdc
Minimum continuous operating
voltage
+19.2Vdc
Maximum continuous operating
voltage
+30.0Vdc
Minimum start-up voltage
21.6Vdc
Recommended power supply
60W 24Vdc nominal
Recommended fuse
3A, 50Vdc
3
0V common
Function
Common connection for all external
devices
4
+10V user output
Function
Supply for external analog devices
Voltage tolerance
±
1%
Nominal output current
10mA
Protection
Current limit and trip @ 30mA
Precision reference Analog input 1
5
Non-inverting input
6
Inverting input
Default function
Frequency/speed reference
Type of input
Bipolar differential analog
(For single-ended use, connect terminal 6
to terminal 3)
Full scale voltage range
±
9.8V
±
1%
Absolute maximum
voltage range
±
36V relative to 0V
Working common mode voltage
range
±
13V relative to 0V
Input resistance
100k
Ω
±
1%
Resolution
16-bit plus sign (as speed reference)
Monotonic
Yes (including 0V)
Dead band
None (including 0V)
Jumps
None (including 0V)
Maximum offset
700
μ
V
Maximum non linearity
0.3% of input
Maximum gain asymmetry
0.5%
Input filter bandwidth single pole
~1kHz
Sampling period
250
μ
s with destinations as Pr
1.36
, Pr
1.37
or Pr
3.22
in RFC mode. 4ms for open loop
mode and all other destinations in RFC
mode.
7
Analog input 2
Default function
Frequency/speed reference
Type of input
Bipolar single-ended analog voltage or
unipolar current
Mode controlled by...
Pr
7.11
Operating in Voltage mode
Full scale voltage range
±
9.8V
±
3%
Maximum offset
±
30mV
Absolute maximum voltage range
±
36V relative to 0V
Input resistance
>100k
Ω
Operating in current mode
Current ranges
0 to 20mA
±
5%, 20 to 0mA
±
5%,
4 to 20mA
±
5%, 20 to 4mA
±
5%
Maximum offset
250
μ
A
Absolute maximum voltage
(reverse bias)
−
36V max
Absolute maximum current
+70mA
Equivalent input resistance
≤
200
Ω
at 20mA
Common to all modes
Resolution
10 bit + sign
Sample period
250
μ
s when configured as voltage input
with destinations as Pr
1.36
, Pr
1.37
,
Pr
3.22
or Pr
4.08
in RFC mode. 4ms for
open loop mode, all other destinations in
RFC mode or any destination when
configured as a current input.
8
Analog input 3
Default function
Not configured
Type of input
Bipolar single-ended analog voltage,
unipolar current or motor thermistor input
Mode controlled by...
Pr
7.15
Operating in Voltage mode (default)
Voltage range
±
9.8V
±
3%
Maximum offset
±
30mV
Absolute maximum voltage range
±
36V relative to 0V
Input resistance
>100k
Ω
Operating in current mode
Current ranges
0 to 20mA
±
5%, 20 to 0mA
±
5%,
4 to 20mA
±
5%, 20 to 4mA
±
5%
Maximum offset
250
μ
A
Absolute maximum voltage
(reverse bias)
−
36V max
Absolute maximum current
+70mA
Equivalent input resistance
≤
200
Ω
at 20mA
Operating in thermistor input mode
Internal pull-up voltage
<5V
Trip threshold resistance
3.3k
Ω
±
10%
Reset resistance
1.8k
Ω
±
10%
Short-circuit detection resistance
50
Ω
±
40%
Common to all modes
Resolution
10 bit + sign
Sample period
250
μ
s when configured as voltage input
with destinations as Pr
1.36
, Pr
1.37
,
Pr
3.22
or Pr
4.08
in RFC mode. 4ms for
open loop mode, all other destinations in
RFC mode or any destination when
configured as a current input.
Summary of Contents for Affinity
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