Industrial RS-232 to BB-485DRCi RS-422/485 Converter Features Converts RS-232 signals to RS-422/RS-485 Three-way 2,000V optical isolation (input, output, power) Data rates up to 115.2 kbps Wide operating temperature: -40 to +80 C DIN rail mountable UL Class 1/Division 2 Modbus ASCII/RTU, Allen-Bradley DH-485 compatible 1048 Vdc input power range (power supply required, not included, sold separately) Introduction Ordering Information Model BB-485DRCi industrial-grade isolated serial converter changes RS-232 signals to Model No. RS-232 Connector RS-422/485 Connector Isolation RS-422 for increased range, or to RS-485 for increased range plus multi-drop capability. BB-485DRCI DB9 Female (DCE) Removable Terminal Block 2 kV Designed for rugged industrial use, the BB-485DRCi is UL approved and certified for operation in Class 1/Division 2 environments and offers 2,000V 3-way optical isolation on input, output, and power lines. In addition to optical isolation, the unit has surge suppression on the RS-422/485 lines. This DIN rail mountable converter optically isolates Accessories Sold Separately and converts unbalanced, full or half-duplex, RS-232 signals to balanced RS-422/485 BB-MDR-20-24 Power supply, 24 Vdc, 1 A, DIN rail mount signals at baud rates up to 115.2 kbps. Configuration is made via a 12-position DIP BB-EK-CLIP-MPC Replacement DIN rail clip switch on the bottom of the converter. BB-TBKT1 Replacement terminal block, 2-position, 5.08mm, 8A, 300V Featuring Automatic Send Data Control circuitry, the converter does not require special BB-TBKT2 Replacement terminal block, 5-position, 5.08mm, 8A, 300V software control of handshake signals in RS-485 mode. Removable terminal blocks for BB-31D1-28100 Null Modem Adapter (Allen-Bradley applications) power and RS-422/485 signals make wiring easy. It is powered by a supply voltage of 10 to 48 Vdc which is isolated from all data and signal ground lines. An external power supply is required (not included, sold separately). The BB-485DRCi may be suitable for use in Modbus and Allen-Bradley DH-485 applications. Automatic Send Data Control Explained As operating systems become more complex, it is increasingly difficult to control an RS-485 driver with standard software and the RTS line. This is especially true in Windows and multi-tasking operating systems. With Automatic Send Data Control circuit, driver control is in the converter hardware, so you do not have to work with software at all. The circuit monitors data flow and enables the driver during transmission and automatically disables it when no data is being sent. There is no need to rework software or install new drivers. Most Advantech RS-232 to RS-485 converters and RS-485 serial cards include Automatic Send Data Control. Allen-Bradley 1761-NET-AIC Model BB-485DRCi can be used as a replacement for the Allen-Bradley Advanced Interface Converter (AIC+) in some applications. The Model 31D1-28100 null modem adapter accessory is required for these applications. Contact Advantech Technical Support for assistance regarding your specific installation needs. A White Paper is also available in the online technical library. BB-USOPTL4-2P BB-USOPTL4-4P 0221ds All product specifications are subject to change without notice. BB-485DRCi 1521ds Some logos, names, words are trademarks of their respective owners.BB-485DRCi Specifications Serial Technology Mechanical Diagram Data Rate 1.2 to 115.2 kbps RS-232 3.3 cm 1.3 in Connector DB9 female (DCE) Signals TD, RD, GND RS-422/485 Connector Removable terminal block, 28 to 14 AWG RS-485, 2-wire Data A(-), Data B(+), GND RS-422/485, 4-wire TDA(-), TDB(+), RDA (-), RDB(+), GND Isolation Rating 2,000 V 12.4 cm Lines Protected 3-way (input, output, power lines) 4.9 in Method Optical Surge Suppression Lines Protected Data lines Rating 600W peak power dissipation Clamping/Response Time < 1 pico-second Industrial Bus Modbus ASCII / RTU DH-485 Allen-Bradley Data Highway 485 (DH-485) 11.4 cm Power 4.5 in Connector Removable terminal block, 28 to 14 AWG Voltage 10-48 Vdc Consumption 960 mW Source External power required (not included, sold separately) Mechanical LED Indicators Transmit, Receive, Power Dimensions 11.4 x 3.3 x 12.4 cm Enclosure 35mm DIN mount, plastic, IP30 Weight 204.12 gm Environmental Operating Temperature -40 to +80 C Storage Temperature -40 to +85 C Operating Humidity 0 to 95%, non-condensing Meantime Between Failures (MTBF) MTBF 254617 hours Calculation Method MIL 217F Parts Count Reliability Prediction Class 1 / Division 2 Wiring Type Solid copper only Size 28 to 14 AWG Temperature +105 C, minimum Terminal Torque 0.5 Nm (Newton-meters) Regulatory Approvals / Standards / Directives FCC Part 15, CE, UL C1/D2, cUL 508 2014/30/EU Electromagnetic Compatibility Directive 2011/65/EU amended by (EU) 2015/863 Reduction of CE Directives Hazardous Substances Directive (RoHS) 2012/19/EU Waste Electrical and Electronic Equipment (WEEE) EN 55032 Class B Electromagnetic Compatibility of Multimedia Equipment - Emission Requirements CE Standards EN 55024 Information Technology Equipment Immunity Requirements EN 61000-6-1 Generic Immunity Standards for IEC Standards Residential, Commercial and Light-Industrial Environments