W5500S2E serial to Ethernet module W5500S2E module series support both data pass-through mode and AT data transfer mode. It supports TCP server, TCP clients and UDP 3 operation mode. Serial baud rate can be as high as 1.152Mbps. It can be configured by PC configuration utility, web page and AT command. The unparalleled and robust of W5500S2E integrated 32bit MCU with the hardwired TCP/IP Ethernet chip W5500. Accompanied by a vast functionalities, makes the family of products the ideal choice, both for new design projects or an upgrading a current platform. Features Support dual mode: Data pass-through and AT data transfer Support TCP server, TCP client and UDP operating modes Support RS-485 enable pin of an external RS-485 transceiver Flexible data packet condition for the serial interface As DHCP client to automatically acquire IP address As DNS client to lookup domain name Support Modbus RTU/ASCII to Modbus TCP/UDP Support Modbus over TCP/UDP Support NetBIOS for easy access of web configuration page Support three configuration method: serial AT command, PC software and web page Support local and remote firmware upgrade Support Keep-Alive to guarantee TCP connection Specification 10/100Mbps Ethernet interface Serial interface: 3.3V TTLTXD, RXD, CTS, RTS, GND Baud Rate: From 1.2Kbps to 1.152Mbps with 16 common values Data Bit: 7, 8 Stop Bit: 0.5, 1, 1.5, 2 Parity: None, Even, Odd Flow Control: None, CTS/RTS Power supply: W5500S2E-S1: DC 3.3V W5500S2E-Z1: DC 5.0V W5500S2E-R1: DC 3.3V Size: L x W x H (mm) W5500S2E-S1: 34.0024.0012.40 W5500S2E-Z1: 44.4531.7515.75 W5500S2E-R1: 44.4531.7523.00 Operating temperature: -40 ~ +85 (Industrial Grade) Storage environment: -40 ~ +85, 5 ~ 95% RH W5500S2E user manual W5500S2E serial to Ethernet module Document Revision History Version Date Remarks V1.0 2018/10/05 Official Release Add new Data transfer command Revised structure of document V1.1 2019/03/29 Remove obsolete information Updated all images V1.1.1 2019/04/09 Add electrical characteristics for W5500S2E-Z1 for V =5.0V IN Chapter 2.1.1 add W5500S2E-S1 pin description & figure of ACK LED V1.1.2 2019/05/29 Chapter 2.2 update W5500S2E reference schematics Copyright notice Copyright WIZnet H.K. Ltd. All rights reserved. Contact E-mail: supports wiznet.hk For more information, please visit: