5.3.3.3 Thermal Dissipation of Accessories
If possible (i.e., permitted by the safety regulations and Risk Assessment), mount
the braking resistors outside the control cabinet, suitably protected against
accidental contact, to avoid having to remove the heat generated by them from the
electrical panel.
5.3.4 Control Power Requirements
The control power supply must provide 24 VDC with a tolerance of +/- 10%, and "ripple" of less than
200 mV. The current consumption will depend on number and type of DM2020 drives in the system.
The maximum required current will be the sum of the currents required by all components. Refer to
the following table.
If a dedicated power supply for the motor brake is not used, the current requirements for the
control power supply must be correctly calculated. Additionally, its tolerances must comply
with those required by the motor brake.
PN: L-MAM2-E-201
Moog Casella DM2020 Installation and Startup Guide
5.3.3.2 Thermal Dissipation of Accessories
The first
column
shows the percentage of current delivered compared to the rated current. The second column shows
dissipation
data in watts in operating conditions.
% Rated
current
Type L50 Type L150
0 25 35
25 75 150
50 125 250
75 175 350
100 225 450
5.3.3.2 Power Supply Unit (PSU) Dissipation
Device Dissipated power (W)
Network filter for power supply L50 30
Network filter for power supply L150 50
Standard brake resistor 370 or 1000
Optional brake resistor 500
Module Absorbed current (A)
Power supply L50 1.0
Power supply L150 2.0
Axis size L50 1.0
Axis size L75 1.5
Axis size L100 2.0
Axis size L200 2.5
Mo
tor brake
2.0
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