IAI America SSEL - Manual (Page 54)

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Part 1 Installation
(3) Brake power supply
The table below shows the rated current and maximum instantaneous current of the brake power supply for
one axis.
Power-supply voltage 24
Rated current [A] 0.5
Maximum instantaneous current [A] 1
Heat output at rated power output [W] 12
The brakes used by IAI’s actuators are of instantaneous over-excitation type, which means that a maximum
current of 1 A flows per axis over a period of approx. 100 msec when the brake is released.
(4) Calculation example
Power-supply capacities when the output of axis 1 is 400 W and that of axis 2 is 200 W (200-V controller)
The capacities and heat output of the motor power supply are calculated as follows:
Rated motor power-supply capacity
Maximum instantaneous motor power-supply capacity
Heat output at rated power output
The capacities and heat output of the control power supply are added:
Rated power-supply capacity
Maximum instantaneous motor power-supply capacity
Heat output at rated power output
* With a controller of 100-V input specification, axes with a total output of up to 400 W can be connected.
With a 200-V controller, axis with a total output of up to 800 W can be connected.