{"product_id":"prosoft-5601-rio-mcm-remote-i-o-to-modbus-communication-gateway","title":"PROSOFT 5601-RIO-MCM Remote I\/O to Modbus Communication Gateway","description":"\u003cp\u003eThe \u003cstrong\u003eProSoft 5601-RIO-MCM\u003c\/strong\u003e operates as a high-performance industrial gateway module designed for bi-directional protocol translation between Allen-Bradley Remote I\/O (RIO) networks and Modbus serial architectures. This hardware assembly enables legacy Rockwell Automation processors (such as PLC-5 or SLC 500 systems) to view Modbus Master or Slave instruments as standard, distributed remote I\/O chassis points.\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\u003e5601-RIO-MCM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eProSoft Technology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Layout\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN-rail compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20°C to 50°C (-4°F to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40°C to 85°C (-40°F to 185°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH, non-condensing boundary limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal (18 to 32 VDC absolute limits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Load\u003c\/td\u003e\n\u003ctd\u003eMaximum 500 mA @ 32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e132 mm H x 52.5 mm W x 114.8 mm D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Ports\u003c\/td\u003e\n\u003ctd\u003e1 Dedicated Remote I\/O (RIO) port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Ports\u003c\/td\u003e\n\u003ctd\u003eUp to 4 independent software-configurable serial ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate Range\u003c\/td\u003e\n\u003ctd\u003e110 to 115,200 baud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Data Size\u003c\/td\u003e\n\u003ctd\u003e7 or 8 data bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Formats\u003c\/td\u003e\n\u003ctd\u003eBinary, BCD, ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus Framings\u003c\/td\u003e\n\u003ctd\u003eRTU mode (binary) with CRC-16; ASCII mode with LRC validation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Codes\u003c\/td\u003e\n\u003ctd\u003eRead Coil Status (1), Read Input Status (2), Read Holding Registers (3), Read Input Registers (4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecurity Protocols\u003c\/td\u003e\n\u003ctd\u003eSSL, TLS, IPsec (for auxiliary network processing layers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Instrumentation and DCS Communication\u003c\/h3\u003e\n\u003cp\u003eThe communication gateway utilizes an optimized multi-threaded processing matrix to execute protocol mapping between the synchronous Allen-Bradley Remote I\/O bus and asynchronous Modbus serial loops. When polling variables from smart field instruments—such as flow computers, power monitors, or instrumentation manifolds—the module stores the raw data points into a localized, volatile internal memory database.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does a legacy Allen-Bradley PLC-5 see the Modbus devices connected to the 5601-RIO-MCM gateway?\u003c\/p\u003e\n\u003cp\u003eA: The gateway emulates a standard Allen-Bradley remote I\/O rack structure. The host PLC reads and writes to the module using standard Block Transfer Read (BTR) and Block Transfer Write (BTW) instructions over the RIO network link. The gateway transparently translates these RIO commands into corresponding Modbus read\/write function codes back and forth.\u003c\/p\u003e\n\u003cp\u003eQ: What are the engineering constraints when running multiple Modbus serial loops concurrently across the 4 serial ports?\u003c\/p\u003e\n\u003cp\u003eA: Each serial port is independently isolated and software-configurable to operate as either a Modbus Master or a Modbus Slave. However, total system throughput depends on the configured baud rates (ranging from 110 to 115K baud) and processing density. High node counts or dense register strings across all 4 ports must be managed using staggered polling delays to prevent memory register buffers from overflowing.\u003c\/p\u003e","brand":"Prosoft","offers":[{"title":"Default Title","offer_id":45078383132787,"sku":"5601-RIO-MCM","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-08_15-42-49_2f968db9-af18-4278-aff9-3e240cd5575f.png?v=1780905060","url":"https:\/\/www.dcssupplier.com\/products\/prosoft-5601-rio-mcm-remote-i-o-to-modbus-communication-gateway","provider":"DcsSupplier Limited","version":"1.0","type":"link"}