Catalog excerpts
SRS-2/4-Z45 converter module RS-232 / RS-485 4 signalling diods galvanic isolation between RS-232 and RS-485 lines transmission rate control using RTS signal power supply voltage connection signalling programming mode signalling RS-485 transmitter activation signalling operation set-up signalling transmit and receive signalling The SRS-2/4-Z45 converter module is designed to interconnect MASTER devices equipped with RS-232 to RS-485 bus. The module can work either with devices controlling direction of transmission (via RTS line), or devices not controlling the direction (control is then fully automatic). The MASTER functions can be realized by any device, e.g. PC computer with dedicated software. Connection of more than one MASTER device to the RS-485 bus is prohibited. The SRS-2/4-Z45 unit guarantees full galvanic isolation between RS-232 and RS-485 circuits. Only one device SRS-2/4-Z45 type can be connected to RS-485 line. The converter can work with any devices equipped with RS-485 interface, especially made by SIMEX. The main purpose of SRS-2/4-Z45 converter is connection of PC host computer with industrial data acquisition and visualisation systems based on RS-485 interface. TECHNICAL DATA PRZYKŁADOWE APLIKACJE Power supply Power consumption Cable length Baud rate 2400 - 115200 bit/sec., 8N1 (RTS line control disabled) 1200 - 115200 bit/sec., 8N1 (RTS line control enabled) Transmitter deactivation delay time typically 1.5 characters (not applicable to RTS line control) Operating temperature Storage temperature -10°C ÷ +70°C (standard), -20°C ÷ +70°C (depending on option) Communication with a network of devices equipped with an RS-485. Galvanic separation between RS-485 interface and RS-232 signals Dimensions (WxHxD) bottom view options: 00 : no options 08 : operating temp. -20°C ÷ +50°C ul. Wielopole 11, 80-556 Gdańsk, Poland tel. (+48 58) 762-07-77; fax 762-07-70 e-mail: info@simex.pl Dodatkowe gniazdo dla zewnętrznego zasilacza A+ B- GND SIMEX Ltd., Wielopole 11, 80-556 Gdańsk, Poland, tel. (+48) 58 762-07-77, fax 58 762-07-70, www.simex.
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