Nidec Unidrive M600 Series - Page 136

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136 Unidrive M Regen Design Guide
Issue Number: 4
6.6.3 Control terminal specification
1 0V common
Function
Common connection for all external
devices
2 +24 V external input
Function
To supply the control circuit
without providing a supply to the
power stage
Programmability
Can be switched on or off to act as a digital
input by setting the source Pr 08.063 and
input invert Pr
08.053
Nominal voltage +24.0 Vdc
Minimum continuous operating
voltage
+19.2 Vdc
Maximum continuous operating
voltage
+28.0 Vdc
Minimum start-up voltage 21.6 Vdc
Recommended power supply 40 W 24 Vdc nominal
Recommended fuse 3 A, 50 Vdc
3 0V common
Function
Common connection for all external
devices
4 +10 V user output
Function Supply for external analog devices
Voltage 10.2 V nominal
Voltage tolerance ±1 %
Nominal output current 10 mA
Protection Current limit and trip @ 30 mA
Precision reference Analog input 1
5 Non-inverting input
6 Inverting input
Default function User definable
Type of input
Bipolar differential analog voltage or
current, thermistor input
Mode controlled by: Pr
07.007
Operating in Voltage mode
Full scale voltage range ±10 V ±2 %
Maximum offset ±10 mV
Absolute maximum
voltage range
±36 V relative to 0 V
Working common mode voltage
range
±13 V relative to 0 V
Input resistance  100 k
Monotonic Yes (including 0 V)
Dead band None (including 0 V)
Jumps None (including 0 V)
Maximum offset 20 mV
Maximum non linearity 0.3% of input
Maximum gain asymmetry 0.5 %
Input filter bandwidth single pole ~3 kHz
Operating in current mode
Current ranges
0 to 20 mA ±5 %, 20 to 0 mA ±5 %,
4 to 20 mA ±5 %, 20 to 4 mA ±5 %
Maximum offset 250 A
Absolute maximum voltage
(reverse biased)
±36 V relative to 0 V
Equivalent input resistance  300 
Absolute maximum current ±30 mA
Operating in thermistor input mode (in conjunction with analog input 3)
Internal pull-up voltage 2.5 V
Trip threshold resistance User defined in Pr
07.048
Short-circuit detection resistance 50  ±40 %
Common to all modes
Resolution 12 bits (11 bits plus sign)
Sample / update period
250 µs with destinations Pr
01.036,
Pr
01.037, Pr 03.022 or Pr 04.008 in RFC-A
and RFC-S modes. 4 ms for open loop
mode and all other destinations in RFC-A or
RFC-S modes.