US Robotics USR3500 Guide d'installation télécharger pdf (Page 21)

Rev 1.1 9/22/14 21

Getting Started

Features

4.4. Over-Voltage and Over-Current Protection

4.4.1. Power Supply Input

The USR3500 power supply input is protected against transient voltage peaks over

+32V. When the input voltage exceeds 32V, the supply voltage is automatically

disconnected in order to protect the internal electronic components from over-voltage.

The optional 6-wire cable accessory protects the USR3500 from continuous over-

current by a 2A/250V slow break fuse directly bonded into the cable.

4.4.2. Electrostatic Discharge

The USR3500 withstands ESD according to IEC 1000-4-2 requirements for all

accessible parts, except for the RF connector which withstands ESD as follows:

+/- 8kV of air discharge

+/- 4kV of contact discharge

4.4.3. Main Serial Port

The USR3500’s RS232 serial port connection is internally protected against

electrostatic surges on its lines by ESD protection and it also has the following filtering

guarantees:

EMI/RFI protection on both input and output

Signal smoothing

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US Robotics USR3500 Guide d'installation Page 21