CJ-series Ethernet Unit CJ1W-ETN21 Organically Connect the Production Site and Management • Select the required communications services according to application needs to flexibly integrate PLCs with an Ethernet information network. CSM_CJ1W-ETN21_DS_E_5_1 CJ1W-ETN21 Features • Use Ethernet to implement various communications protocols. • Implement FINS message communications using UDP/IP or TCP/IP with a user application on a host computer or with Support Software, such as the CX-Programmer. • Use the clock on an SNTP server to automatically adjust the clocks in the PLCs connected to the Ethernet network. (An SNTP server is required separately.) • An FTP server is built in, so files can be used to transfer PLC data between network PLCs and workstations or personal computers with an FTP client. • Email can be used to send commands to the PLCs, or triggers can be set so that the PLCs will send PLC data or Ethernet Unit status to a host computer. • The standard UDP/IP and TCP/IP protocols are supported to enable communications with a wide range of devices, workstations, personal computers, and Ethernet modules from other manufacturers. • The SMTP/POP3/SNTP servers enable the use of host names instead of IP addresses. (A DNS server is required separately.) System Configuration CX-Programmer CX-Integrator SYSMAC Gateway Hub FinsGateway Twisted-pair cable 100 m max. CS1W-ETN21 Ethernet Unit (100Base-TX) CJ1W-ETN21 Ethernet Unit (100Base-TX) CS-series PLC CJ-series PLC 1
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