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

_ Z BENDERRS-485 interface repeater for RS-485 bus extensionProduct 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 3112 bus nodes exist. • Extension of the maximum possible bus length by 1200 m in BMS systems (EDS, RCMS, MEDICS® systems) • Extension of the maximum possible bus nodes by 312 • Protection against spikes by galvanic separation between the input and output circuit and the power supply • Implementation of resonant...

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) Two DIP switches are available per bus segment to terminate 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: D2 B = Bus device with terminating resistor = Bus device without terminating resistor Terminating resistor activated via switch on device (ON)* or external terminating resistor...

DI-1DL_D00125_01_D_XXEN / 07.2017 / 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: [email protected] •