{"product_id":"rs204-bachmann-4-channel-programmable-logic-controller-unit","title":"RS204 Bachmann | 4-Channel Programmable Logic Controller Unit","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS204 (Model: RS204)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile serial communication interface module designed for the Bachmann M1 automation system and M200 controllers. It is specifically engineered to provide 4 independent, asynchronous serial interfaces in a single slot, facilitating seamless connectivity between the PLC and external peripheral devices such as barcode scanners, HMIs, weighing scales, or legacy industrial hardware.\u003c\/p\u003e\n\u003cp\u003eUnlike standard relay modules, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS204 (Part Number: RS204)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efocuses on high-speed data integrity, supporting multiple protocols including RS-232, RS-422, and RS-485 via configurable parameters. This module is essential for complex automation architectures where the controller must act as a communication hub, managing simultaneous data streams from diverse field instruments while maintaining deterministic performance across the M1 backplane.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS204\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis built to rigorous industrial standards, ensuring precise data synchronization.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Bachmann Electronic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS204\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e: 4-Channel Asynchronous Serial Interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Interfaces\u003c\/strong\u003e: 4 Independent Channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface Standards\u003c\/strong\u003e: RS-232, RS-422, RS-485 (software\/hardware selectable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBaud Rates\u003c\/strong\u003e: 300 bps up to 115.2 kbps per channel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Buffer\u003c\/strong\u003e: Integrated FIFO for transmit and receive to minimize CPU load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtocols Supported\u003c\/strong\u003e: Modbus RTU, 3964R, RK512, and generic ASCII\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e: 500 V RMS galvanic isolation between field side and system bus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 2.3 in x 2.8 in x 4.8 in (5.7 cm x 7.0 cm x 12.1 cm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.3 kg (9.6 oz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e: High-speed M1 backplane interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostics\u003c\/strong\u003e: Front-panel LEDs for Tx\/Rx activity per channel and module status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e: Internal via M1 backplane\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: -30°C to +60°C (Extended industrial range)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTariff Code\u003c\/strong\u003e: 8538907080\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e: EN 61131-2, CE, UL, RoHS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bachmann","offers":[{"title":"Default Title","offer_id":44029244276835,"sku":"RS204","price":236.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/4.1_46cf3e91-cbe4-406d-8e8f-07056790e045.jpg?v=1772267437","url":"https:\/\/www.autocontrolglobal.com\/products\/rs204-bachmann-4-channel-programmable-logic-controller-unit","provider":"AutoControl Global","version":"1.0","type":"link"}