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74 Digitax HD M75X Series Installation and Technical Guide
Issue Number: 5
4.11.1 Digitax HD M75X Control terminal
specification
Refer to section 4.14 Safe Torque Off (STO) on page 82 for further
information.
1 0V common
3 0V common
4 0V common
5 0V common
7 0V common
8 0V common
15 0V common
Function
Common connection for all external
devices. Internally connected to
ground.
2 Safe Torque Off function input 1 (drive enable)
6 Safe Torque Off function input 2 (drive enable)
Type Positive logic only digital input
Voltage range 0V to +24 V
Absolute maximum applied voltage 30 V
Logic Threshold 10 V ± 5 V (IEC 61131-2 type 1)
Low state maximum voltage for
disable to SIL3 and PL e
5 V
Impedance
>2 mA @15 V (IEC 61131-2, type 1
Low state maximum current for
disable to SIL3 and PL e
<0.5 mA (IEC 61131-2 type 1)
Response time
Nominal: 8 ms
Maximum: 20 ms
The Safe Torque Off function may be used in a safety-related application in
preventing the drive from generating torque in the motor to a high level of
integrity. The system designer is responsible for ensuring that the complete
system is safe and designed correctly according to the relevant safety standards.
If the Safe Torque Off function is not required, these terminals are used for
enabling the drive.
Analog input
9 Inverting input
10 Non-inverting input
Default function Frequency/speed reference
Type of input Bipolar differential analog voltage
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 0V
Absolute maximum differential
input voltage
±36 V
Working common mode voltage
range
±13 V relative to 0V
Input resistance 100 k
Monotonic Yes (including 0V)
Dead band None (including 0V)
Jumps None (including 0V)
Maximum offset 20 mV
Maximum non linearity 0.3% of input
Maximum gain asymmetry 0.5 %
Input filter bandwidth single pole ~3 kHz
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.
11 Digital Input 4
13
Digital Input 5
Terminal 11 default function
RUN FORWARD input
Terminal 13 default function
RUN REVERSE input
Type Negative or positive logic digital inputs
Logic mode controlled by... Pr 08.029
Voltage range 0V to +24 V
Absolute maximum applied
voltage range
-3 V to +30 V
Impedance >2 mA @15 V (IEC 61131-2, type 1)
Input thresholds 10 V ±0.8 V (IEC 61131-2, type 1)
Sample / Update period
250 µs when configured as an input with
destinations Pr 06.035 or Pr 06.036. 600 µs
when configured as an input with destination
Pr 06.029. 2 ms in all other cases.
12
+24 V user output / Digital Output 3 (selectable)
Terminal 12 default function +24 V user output
Programmability
Can be switched on or off to act as a third
digital output (positive logic only) by setting
the source Pr 08.028 and source invert
Pr 08.018
Nominal output current 100 mA
Maximum output current
100 mA
200 mA (total including DO1)
Protection Current limit and trip
Sample / update period
2 ms when configured as an output (output
will only change at the update rate of the
source parameter if slower)
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