MDP 101-1
05.06.2020 Page 17
Concept of the MDD 100
• Servo drive system contains of different components
- Power supply module for up to eight logical axes
- Axis module in different configurations
- Single axis module
- Dual axis module
- Module carrier in different configurations for one to 4 axis
modules
• Auto range function to optimize the resolution of the actual current
• Wide mains input voltage range 3 x 230VAC
-10%
… 3 x 480VAC
+10%
directly from TN-system or TT-system with grounded neutral point
mains. TT-systems with ungrounded or missing neutral point need
additional circuitry.
• Inrush circuitry to limit the maximum charge current at switch on of the
mains contactor
• Fusing provided by the user (phase failure detection in the drive)
• 24 V auxiliary supply input, electrically isolated for internal supply
• Separate 24 V input for holding brake supply
• Input EMI – filter for AC-input, 24 V auxiliary supply and holding brake
supply for class A (industrial environment)
• Safety functionality STO (Safe Torque off) and SS1 (Safe Stop 1) with
performance level “e” according to ISO 13849 and SIL3 according to
EN 62061
• All shield connections at the housing
• Protection functions against:
- DC-link under/over voltage
- Several short circuit conditions
- Phase failure of the mains input
- Overheating of the regen resistor
- Over temperature protection (heat sink, ambient and
motor)
The overload protection is provided internally by the drive. The load current is limited to
100 % of peak output current. For the thermal protection of the motor the I²T regulation is
used.
Integral solid state short circuit protection does not provide branch circuit
protection. Branch circuit protection must be provided in accordance with the
Manufacturer Instructions, National Electrical Code and any additional local codes.
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