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DI-1DL
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RS-485 interface repeater for RS-485 bus extension

RS-485 interface repeater for RS-485 bus extension Product description The RS-485 interface repeater DI-1DL is designed for signal amplification on the RS-485 interface (BMS bus, Modbus RTU). This is required when the network distance exceeds a length of 1200 m or when more than 31* bus nodes exist. Applications • xtension of the maximum possible bus length by 1200 m in BMS systems (EDS, RCMS, E MEDICS® systems) • Extension of the maximum possible bus nodes by 31* • rotection against spikes by galvanic separation between the input and output circuit P and the power supply RS-485 interface...

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a) When used in the BMS bus, the rotary switch is to be set to position 4 for baud rate/interference suppression. The rotary switch is located at the bottom of the device. b) wo DIP switches are available per bus segment to terminate T the bus and to generate the required bias voltage. Both DIP switches must be switched on for activation. The termination is carried out as shown in the following example of a BMS bus system: D 2 B = Bus device with terminating resistor = Bus device without terminating resistor Terminating resistor activated via switch on device (ON)* or external terminating...

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DI-1DL_D00125_00_D_XXEN / 12.2015 / pdf / © Bender GmbH & Co. KG, Germany – Subject to change! The specified standards take into account the version that was valid at the time of printing. Bender GmbH & Co. KG P.O. Box 1161 • 35301 Gruenberg • Germany Londorfer Straße 65 • 35305 Gruenberg • Germany Tel.: +49 6401 807-0 • Fax: +49 6401 807-259 E-mail: info@bender.de •

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DI-1DL 4Pages

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DI-1DL
4Pages