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Teracom TCW122B-RR User Manual

Ethernet controller
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1. Short description
TCW122B-RR is an Ethernet controller with embedded WEB server for set up. The device has two
digital inputs and two relays, with normally open and normally closed contacts.
TCW122B-RR can works in two modes – "Client" or "Server". The "Client" sends periodically the
status of its digital inputs to "Server". As answer the "Server" returns its digital input status. Activating
the input of "Client" switches on the relay of "Server" and vice versa. This configuration is used to
control remotely devices without a browser or to extend a digital signal to a remote location on the
network.
2. Features
10 Mb Ethernet connectivity;
Password protected web based configuration;
2 digital input with "logic level" and "dry contact" modes;
2 relays with NO and NC contacts;
Encrypted communication protocol;
Device ID filtering;
Manual or DHCP network configuration;
Removable terminal connectors - separated for inputs and outputs;
Autonomous operation;
Remote FTP firmware update.
TCW122B-RR_R1
Ethernet controller

User manual

TCW122B-RR
Page 1

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Summary of Contents for Teracom TCW122B-RR

  • Page 1: User Manual

    User manual 1. Short description TCW122B-RR is an Ethernet controller with embedded WEB server for set up. The device has two digital inputs and two relays, with normally open and normally closed contacts. TCW122B-RR can works in two modes – “Client” or “Server”. The “Client” sends periodically the status of its digital inputs to “Server”.

  • Page 2: Technical Parameters

    3. Technical parameters Supply voltage, VDC 12±2 Maximum current consumption (with both relays ON), mA Weight, g Dimensions, mm 107 x 72 x 32 Operating temperature, °C 0 to +40 Maximum humidity in 0 to 31°C range, %RH Maximum humidity at 40°C (linear slope between 31-40°C), %RH Minimum high level input voltage for digital inputs, VDC +2.5 Maximum low level input voltage for digital inputs, VDC...

  • Page 3: Environment Information

    Joint part with external component shall have space for attachment/removal of the cable after installation. Teracom does not guarantee successful operation of the product if the product was used under conditions deviating from the product specifications.

  • Page 4: Maintenance

    This device should be mounted in a clean and dry location room. TCW122B-RR can be wall or flat, not flammable surface mounted, in a clean and dry location room. Ventilation is recommended for installations where ambient air temperature is expected to be high.
  • Page 5 11.1 Login page After opening the Login page, authorization data must be entered (by default username=admin , password=admin). It is recommended to change the username and password to prevent unauthorized access to the controller. The controller supports one active session – only one user can operate the device. If another user tries to login, the message “Someone’s logged in”...
  • Page 6  Device ID – this is information field. The value can be used for extra communication filtering – see “Client settings”;  Encryption key - the communication between devices is always encrypted. When the field is empty - default key, stored in the ROM of device, is used. All devices have the same default key.
  • Page 7 11.4. Network setup page The Network parameters are set on this page. The following parameters can be changed:  IP configuration – IP Address can be static or dynamic (DHCP server should be present in the network);  IP address, Subnet mask , Default gateway – these fields are active if IP address is static; ...

  • Page 8: Typical Connections

    12. Typical connections Client-server model allows connecting the devices in different networks. 12.1. Both devices are connected to Internet Both devices have with public IP addresses. For “Server” device the IP address should be static. 12.2. Both devices are connected to one LAN Both devices have private addresses.

  • Page 9: Typical Application

    13.1 Single direction remote control TCW122B-RR allows device control at a remote location. In the example, alarm button connected to the “Client” device activates the siren, connected to the “Server” device. 13.2 Bidirectional remote control TCW122B-RR allows bidirectional remote control.

  • Page 10: Firmware Update

    14. Factory default settings TCW122B-RR can be restored to its original factory default settings, following the steps below:  Turn off the power supply;  Press and hold the RESET button then turn on the power supply;  The LED’s STS and LOG will flash 14 times, after that they will turn on. In this moment the RESET button should be released.
  • Page 11 Appendix A Fig.1 Fig.2 Rev. 1.0 – October, 2012 TCW122B-RR_R1 Page 11...
  • Page 12 TCW122B-RR_R1 Page 12...

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