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	Overview	DataSheet
The ADAM-4521 is an intelligent RS-422/485 to RS-232 converter specifically designed to connect RS-422/485 devices to an RS-232 network. RS-232 is the most common transmission standard. Although widely available on most computer systems, measurement equipment, PLCs, and industrial devices, its transmission speed, communication distance, and especially networking capability are limited due to unbalanced transmission. The ADAM-4521 addressable converter solves this problem and lets you easily build up an RS-485 network with your RS-232 devices by assigning each one an address for easier communication. Features: Automatic RS-485 data flow control 1000 VDC isolation protection Surge protection RS-485 data line Transmission speed up to 115.2 Kbps Networking up to 1200 meters (4000 feet) Reserved space for termination resistors Power and data flow indicator for troubleshooting Power requirement: +10 to +30 VDC Mounts easily on a DIN-rail, panel or piggyback RS-232 and RS-485 can be set to different baud rates Watchdog timer function Software confi gurable to either addressable or non-addressable mode All communication setups stored in EEPROM Product Search:

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