{"product_id":"plx31-mbtcp-mbs4-prosoft-modbus-tcp-ip-to-modbus-serial-4-port-gateway","title":"PLX31-MBTCP-MBS4 | ProSoft | Modbus TCP\/IP to Modbus Serial 4 Port Gateway","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eProSoft PLX31-MBTCP-MBS4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePLX31-MBTCP-MBS4\u003c\/strong\u003e Gateway, operates as a protocol conversion module between Modbus TCP\/IP networks and four isolated Modbus serial ports in industrial automation systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHardware Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003ePLX31-MBTCP-MBS4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eProSoft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e13.67 cm x 5.05 cm x 11.13 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e-25 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e-40 to +80 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e5% to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e24 VDC nominal (10–36 VDC allowed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCurrent Load\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e24 VDC @ 300 mA nominal, 10–36 VDC @ 610 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eShock\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eIEC 60068-2-27; 15G operational, 30G non-operational\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eVibration\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eIEC 60068-2-6; 5G @ 10–150 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eNumber of Serial Ports\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSerial Port Isolation\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2500 Vrms per UL 1577, SiliconLabs Si844x IC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eEthernet Port\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e10\/100 Mbit RJ45, isolated 1500 Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eCFG, ERR, PWR, FLT, NS, MS, RX\/TX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntrinsic Safety (Ex i) Barriers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PLX31-MBTCP-MBS4 incorporates isolation barriers for both Ethernet and serial communication ports. Each serial port achieves 2500 Vrms isolation using SiliconLabs Si844x RF modulation chips, ensuring intrinsic safety compliance in hazardous environments. Surge voltage protection limits are enforced through IEC 60950 standards, while DIN-rail mounting stability provides mechanical robustness. Protocol conversion latencies are minimized by deterministic firmware, supporting Modbus TCP\/IP and Modbus RTU\/ASCII simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eQ: What isolation rating is provided for the serial ports? A: Each port is isolated to 2500 Vrms per UL 1577, using SiliconLabs Si844x ICs.\u003c\/p\u003e\n\u003cp\u003eQ: How does the gateway handle Ethernet broadcast storms? A: It withstands up to 5000 ARP frames per second for durations up to 5 minutes.\u003c\/p\u003e\n\u003cp\u003eQ: Can the module operate in high-vibration environments? A: Yes. It is tested to IEC 60068-2-6 standards, supporting 5G vibration from 10 to 150 Hz.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eField Installation Guidelines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMount securely on DIN rail to ensure mechanical stability.\u003c\/li\u003e\n\u003cli\u003eConnect power supply within the specified range (10–36 VDC) and verify polarity.\u003c\/li\u003e\n\u003cli\u003eTerminate shielded cables properly to minimize EMI.\u003c\/li\u003e\n\u003cli\u003eMaintain separation between Ethernet and serial wiring to reduce cross-talk.\u003c\/li\u003e\n\u003cli\u003eConfirm LED indicators during commissioning for configuration, error, and communication status.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ProSoft","offers":[{"title":"Default Title","offer_id":43709526704202,"sku":"PLX31-MBTCP-MBS4","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/PLX31-EIP-MBS_1_2_95e08523-41cc-43c2-83fd-431d08da431d.png?v=1750216572","url":"https:\/\/www.topbrandsplc.com\/products\/plx31-mbtcp-mbs4-prosoft-modbus-tcp-ip-to-modbus-serial-4-port-gateway","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}