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Beckhoff
EJ9576
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Beckhoff EJ9576
EJ9576 | Brake chopper module
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Description
The EJ9576 EtherCAT module contains high-performance capacitors for stabilising supply voltages. The EJ9576 can be used in conjunction with the EJ7047 stepper motor modules, the EJ7342 DC motor modules and the EJ7211-0010 servomotor modules. Low internal resistance and high-pulsed current capability enable good buffering in parallel with a power supply unit. Return currents are stored, particularly in the context of drive applications, thus preventing overvoltages. If the regenerative energy exceeds the capacity of the capacitors, energy can be dissipated via an external braking resistor. The corresponding threshold can be directly parameterised in the TwinCAT System Manager.
Technical parameters
| Technology: | brake chopper |
| Current consumption E-bus: | typ. 85 mA |
| Nominal voltage: | arbitrary up to 72 V |
| Capacity: | 155 µF |
| Ripple current (max.): | 10 A |
| Internal resistance: | < 5 mΩ |
| Chopper voltage: | adjustable |
| Recommended braking resistor: | 10 Ω, typ. 100 W (dependent on application) |
| Overvoltage control range: | typ. 1 V, parameterisable by CoE data |
| Braking resistor clock rate: | load-dependent, max. 100 µs, 2-point control |
| Electrical isolation: | 1500 V (E-bus/field potential) |
| Diagnostics: | temperature on board, over-/undervoltage |
| Special features: | adjustabel threshold |
| Dimensions (W x H x D): | approx. 12 mm x 66 mm x 55 mm |
| Operating/storage temperature: | 0…+55 °C/-25…+85 °C |
| Relative humidity: | 95 %, no condensation |
| EMC immunity/emission: | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protection class: | IP 20 |
| Approvals: | CE, UL |
Logistic parameters
| ECCN: | |
| Country of Origin: | |
| EAN: | |
| Weight: | 0.00 kg |
| Length: | 0.00 m |
| Width: | 0.00 m |
| Height: | 0.00 m |