R2K-1 MSYSTEM | Alldatasheet
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Technical content
MODEL: R2K-1 R2K-1 SPECIFICATIONS ES-6701 Rev.5 Page 1/3 https://www.m-system.co.jp/ R2K Series RS-232-C/RS-485 CONVERTER Functions & Features
- Bidirectional converter between RS-232-C and RS-485 used when connecting Modbus RS-485 devices to a PC 41 [1.61] 110 [4.33] 100 [3.94] B RATE RUN ERR.1 ERR.2 CONFIG mm [inch] MODEL: R2K-1-[1]
ORDERING INFORMATION
- Code number: R2K-1-R Consult Factory for AC power input. [1] POWER INPUT DC Power R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) GENERAL SPECIFICATIONS Connection RS-232-C: 9-pin D-sub connector (male, lock screw No. 4-
40 UNC); A ‘Straight’ type cable connecting to the PC is to
be prepared by the user. RS-485, power input: Euro type connector terminal Isolation: RS-232-C to RS-485 or power Data, parity & stop bit setting: DIP switches at the bottom Baud rate setting: Front rotary switch RUN indicator LED: Green light blinks in normal conditions. ERR.1 indicator: Red LED blinks with RS-232-C overrun error; ON with parity framing error. ERR.2 indicator: Red LED blinks with RS-485 overrun error; ON with parity framing error. COMMUNICATION Baud rate: 300, 600, 1200, 2400, 4800, 9600, 14.4 k, Data bit: 7 or 8 bits Parity: Odd, even or none Stop bit: 1 or 2 bits Communication: Half-duplex, asynchronous, no procedure Data delay time: 300 microseconds ■ RS-232-C Standard: Conforms to RS-232-C, EIA Transmission distance: 10 meters max. ■ RS-485 Standard: Conforms to TIA/EIA–485–A Transmission distance: 500 meters max. Transmission media: Shielded twisted-pair cable (CPEV-S 0.9 dia.) INSTALLATION Power consumption
- DC: Approx. 2 W Operating temperature: -5 to +60°C (23 to 140°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Surface or DIN rail Weight: 150 g (0.33 lb) PERFORMANCE Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 500 V AC @ 1 minute (RS-232-C to RS-485 or power) STANDARDS & APPROVALS EU conformity: EMC Directive EMI EN 61000-6-4 EMS EN 61000-6-2 RoHS Directive
MODEL: R2K-1 R2K-1 SPECIFICATIONS ES-6701 Rev.5 Page 2/3 https://www.m-system.co.jp/ EXTERNAL VIEW AC Adaptor Jack RS-485 Connector Baud Rate Selector DC Power Terminals ERROR Indicator LED RUN Indicator LED ■ FRONT VIEW RS-232-C 9-pin Connector Data, Parity, Stop Bit DIP SW ■ REAR VIEW ■ BOTTOM VIEW RS-232-C ■ SIDE VIEW B RATECONFIG RUN ERR.1 ERR.2 T4 T3 T2 T1 + – ON 1 2 3 4 5 6 7 8 ABBR. PIN NO. EXPLANATION OF FUNCTION BA (SD) 2 Transmitted Data BB (RD) 3 Received Data AB (SG) 5 Signal Common CB (CS) 7 Clear to Send CA (RS) 8 Request to Send 1 Not Used. 4 DO NOT connect. Connec ting may 6 cause malfunctions. 1 5 6 9 ■ RS-232-C INTERFACE
MODEL: R2K-1 R2K-1 SPECIFICATIONS ES-6701 Rev.5 Page 3/3 https://www.m-system.co.jp/ EXTERNAL DIMENSIONS unit: mm [inch] 104 [4.09] 92 [3.62] 100 [3.94] 3–5 [.20] dia. MTG HOLES FOR WALL MOUNT. (6 [.24])41 [1.61] 3 [.12] 46 [1.81] DIN RAIL 35 mm wide SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM *When the device is located at the end of a transmission line via RS-485, close across the terminal T2 – T3 with the attached jumper pin (or with a leadwire). Note: RS-485 and power terminals are not isolated from each other. Use of M-System’s lightning surge protectors is recommended for protecting the device from induced surges. Controller RS-232-C SG Shielded Twisted-pair Cable To Other RS-485 Devices Jumper* Term. Resist. LEDs SG2 SG AC Adaptor –DC POWER DIP SW BAUD RATE ROTARY SW RS-232-C D-SUB CONNECTOR Isolation RS-485 Driver Specifications are subject to change without notice.