Sysmac CS-series Manual
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Sysmac CS-series Manual

Ethernet unit
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SYSMAC CS-series Ethernet Unit
CS1W-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.
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
100 m
max.
Twisted-pair cable
CS1W-ETN21
Ethernet Unit
(100Base-TX)
CS-series
PLC
CSM_CS1W-ETN21_DS_E_5_1
CS1W-ETN21
CJ1W-ETN21
Ethernet Unit
(100Base-TX)
CJ-series
PLC
1

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Summary of Contents for Sysmac CS-series

  • Page 1 SYSMAC CS-series Ethernet Unit CS1W-ETN21 CSM_CS1W-ETN21_DS_E_5_1 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. CS1W-ETN21 Features • Use Ethernet to implement various communications protocols.

  • Page 2: Ordering Information

    CS1W-ETN21 Bus Unit TX Cable reception (remote command supported reception), auto-adjustment of PLC's internal clock, and server host name specification Note: There is no accessory for the CS-series Ethernet Unit. Industrial Switching Hubs Specifications Current Product name Appearance Accessories consumption...
  • Page 3 Number of cascade connections No restrictions if switching hubs are used. Current consumption (Unit) 380 mA max. at 5 V DC Weight 200 g max. 35 × 130 × 101 mm (W × H × D) Dimensions Other general specifications Other specifications conform to the general specifications of the CS-series.

  • Page 4: Communications Specifications

    CS1W-ETN21 Communications Specifications Item Ethernet Unit Model number CS1W-ETN21 Physical layer 100BASE-TX, 10BASE-T Number of nodes on FINS network Server specification Specification by IP address or host name specifications (DNS client function) FINS communications FINS/UDP service FINS/TCP FTP server function The CPU Unit's file memory (Memory Card or EM file memory) can be read/written.

  • Page 5: External Interface

    CS1W-ETN21 External Interface CS1W-ETN21 Front ETN21 Indicators 100M Display the operating status of the Unit. HOST UNIT Unit Number Switch NODE Used to set the Ethernet Unit's unit number in ×16 ×16 one digit hexadecimal. Node Address Switches Used to set the Ethernet Unit's FINS node number in two digits hexadecimal.
  • Page 6 CS1W-ETN21 Unit Version Upgrade Information Unit Version 1.3 Upgrade Details The unit settings and status monitoring for the Ethernet Unit can be Web function added easily performed from a Web browser. Function prohibiting access using FINS/ Access to change the remote IP address from a node using FINS/UDP UDP from nodes with dynamically changed can be prohibited (IP address protection).

  • Page 7: Related Manuals

    Refer to the Communications Commands Reference Manual (W342) for details CJ1W-ETN21 Construction of Networks on FINS commands that can be sent to CS-series and CJ-series CPU Units when using the FINS communications service. Ethernet Units Operation Provides information on constructing host applications for 100Base-TX Ethernet...
  • Page 8 Terms and Conditions Agreement Read and understand this catalog. Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranties. (a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron).

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