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Teracom TCW181B-CM User Manual

Ethernet controller
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1. Short description
TCW181B-CM is 8-channel Ethernet relay board, which is designed to work in IP-based
networks and managed by WEB interface or SNMP programs. The device can be used stand-alone or
as a part of control and monitoring systems. Its I/O interface - 8 relay outputs and 1 digital input, is
suitable for solving specific problems in various fields such as remote control, process automation,
home automation and others.
2. Features
10 Mb Ethernet connectivity;
Password protected web based configuration and control;
1 digital input with "logic level" and "dry contact" modes;
8 relays with NO and NC contacts;
SNMP v.1 support;
Sending SNMP Traps messages under certain conditions;
Sending E-mail messages under certain conditions;
SMTP with authorization (SSL is not supported);
HTTP and SNMP port changing;
HTTP and XML API commands;
Remote FTP firmware update.
TCW181B-CM_R1
Ethernet controller
Users manual
TCW181B-CM
Page 1

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Summary of Contents for Teracom TCW181B-CM

  • Page 1 Users manual 1. Short description TCW181B-CM is 8-channel Ethernet relay board, which is designed to work in IP-based networks and managed by WEB interface or SNMP programs. The device can be used stand-alone or as a part of control and monitoring systems. Its I/O interface - 8 relay outputs and 1 digital input, is suitable for solving specific problems in various fields such as remote control, process automation, home automation and others.

  • Page 2: Technical Parameters

    3. Technical parameters Supply voltage, VDC 12 ± 2 Maximum current ( with all relays ON), mA Weight, g Dimensions, mm 115 x 90 x 40 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...

  • Page 3: Environment Information

    If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. In no event will Teracom Ltd. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.

  • Page 4: Installation

    3. Connect the I/O pins of the controller according to the required application. 4. Connect the power supply. If the red LED blinks, the power supply is OK. By default TCW181B-CM comes with the following network settings: IP address: 192.168.1.2, Subnet Mask: 255.255.255.0, Default Gateway: 192.168.1.1 Communication with TCW181B-CM can be established by assigning a temporary IP address to the computer.
  • Page 5 The controller supports only one active session – only one user can operate the device. If another user tries to login, the following message appears: “Someone’s logged in”: The active session will be terminated automatically, if the current user stays inactive for 2 minutes. 11.2 Monitoring page After successful authorization, the “Monitoring”...
  • Page 6 The state of the relay can be changed by appropriate “ON/OFF” button. To change the state of relay for a while, “Pulse” button should be pressed. Duration of the pulse is specified in “Pulse Duration” field of “I/O Setup” page. Three buttons are located on the bottom of the page: ...
  • Page 7 Authentication details for WEB access to TCW181B-CM-CM can be set in the last section. Only one user is supported. 11.4 SNMP Setup page TCW181B-CM supports SNMP v.1 that enables trap delivery to an SNMP management application. This enables the device to be part of large monitoring and control networks. The possible settings for “SNMP”...
  • Page 8 In the example above, if an event occurs (closing contact) the controller will send e-mail message info@teracom.cc with subject "input alarm" and body "door open". Automatic monitoring page refresh interval can be set from 1 to 253 second. If 0 is chosen - no automatic refresh.
  • Page 9 12. Remote control application example The controlled device is connected in series with the relay contacts. User can operate TCW181B-CM using either WEB browser or SNMP application. The relays can be managed independently of each other. The above example is included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Teracom Ltd.

  • Page 10: Monitor And Control

    13.3 Monitor and control Name Access Description Syntax x.3.1.0 digitalInput read-only Digital input state INTEGER { OPEN(1),CLOSED(0) } x.3.2.0 Relay1 read-write Relay 1 state INTEGER { ON(1), OFF(0) } x.3.3.0 Relay2 read-write Relay 2 state INTEGER { ON(1), OFF(0) } x.3.4.0 Relay3 read-write Relay 3 state...
  • Page 11 The monitored values are transmitted in status.xml file that can be easily processed by software applications. Below is the structure of the XML file, which is located at: http://device.ip.address/status.xml <Monitor> <Device>TCW181B-CM</Device> Device Type <FW>tcw181-cmv1.01</FW> Firmware version <DigitalInput>OPEN</DigitalInput> Digital input state <Relay1>ON</Relay1>...

  • Page 12: Factory Default Settings

    15. Factory default settings TCW181B-CM 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 13 Appendix A Fig.1 Fig.2 TCW181B-CM_R1 Page 13...

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