{"product_id":"bachmann-rs204-interface-module","title":"Bachmann RS204 Interface Module","description":"\u003cp\u003eConfigured for multi-protocol serial communication in M1 automation platforms, the \u003cstrong\u003eBachmann RS204\u003c\/strong\u003e (\u003cstrong\u003eRS204\u003c\/strong\u003e Interface Module) provides direct physical\/electrical execution of high-speed data exchange across four asynchronous serial ports.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRS204\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBachmann\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eAustria\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e102 mm x 12 mm x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.8 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Ports\u003c\/td\u003e\n\u003ctd\u003e4 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Baud Rate\u003c\/td\u003e\n\u003ctd\u003e1.5 MBaud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols\u003c\/td\u003e\n\u003ctd\u003eRS232, RS422, RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe RS204 module interfaces with the M1 rack backplane to facilitate deterministic network connectivity between field devices and the controller CPU. By utilizing optimized backplane bus communication velocity, the module maintains low-latency data throughput even when utilizing all four channels at maximum baud rates. The architecture supports I\/O density scaling, allowing for multiple RS204 modules to be integrated into a single rack to accommodate complex multi-node serial topologies. Firmware flash compatibility is supported, ensuring the communication stack and hardware drivers remain synchronized with platform-wide firmware updates to guarantee deterministic performance.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Are the four serial interfaces independently configurable for protocol types?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the RS204 supports a combination of RS232, RS422, and RS485 on the same module, allowing for flexible connectivity with various field-level serial devices.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module provide galvanic isolation for the serial ports?\u003c\/p\u003e\n\u003cp\u003eA: Yes, all four serial interfaces are galvanically isolated from the system electronics to mitigate common-mode noise and ground potential loops between connected devices.\u003c\/p\u003e\n\u003cp\u003eQ: How are terminating resistors managed on the RS485 interface?\u003c\/p\u003e\n\u003cp\u003eA: The module features integrated terminating resistors that can be toggled to connect or disconnect via software or local hardware configuration, simplifying field setup for RS485 bus topologies.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring\u003c\/strong\u003e: Use shielded twisted-pair cables for RS422\/RS485 connections. Connect the cable shield to a functional earth (FE) point to ensure effective noise rejection at high baud rates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination\u003c\/strong\u003e: Enable integrated terminating resistors only at the physical ends of the RS485 bus to prevent signal reflections and data errors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation\u003c\/strong\u003e: Maintain physical separation between serial communication cables and high-power load lines to prevent electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Seating\u003c\/strong\u003e: Ensure the module is firmly seated in the backplane slot. Secure the terminal blocks properly to maintain low-impedance contact for high-speed transmission (up to 1.5 MBaud).\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bachmann","offers":[{"title":"Default Title","offer_id":53025248837941,"sku":"RS204","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/RS2042.png?v=1782117972","url":"https:\/\/www.5gplc.com\/products\/bachmann-rs204-interface-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}