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MT2756 - ZWave

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MT2756 MT2756 Flood Sensor

This describes the Z-Wave device MT2756, manufactured by Devolo with the thing type UID of devolo_mt2756_00_000.

The device is in the category of Sensor, defining Device used to measure something.

MT2756 product image

The MT2756 supports routing. This allows the device to communicate using other routing enabled devices as intermediate routers. This device is unable to participate in the routing of data from other devices.

The MT2756 does not permanently listen for messages sent from the controller - it will periodically wake up automatically to check if the controller has messages to send, but will sleep most of the time to conserve battery life. Refer to the Wakeup Information section below for further information.

Overview

The Home Control Water Sensor is a water sensor and warns you about flooding or leaking water. As soon as water touches the open metal contacts, the device triggers an alarm. The Home Control Water Sensor is ideal for use in locations such as under a sink, under the supply valve of a washing machine or on an aquarium. It is equipped with an integrated LED and a release button.

Wakeup Information

The MT2756 does not permanently listen for messages sent from the controller - it will periodically wake up automatically to check if the controller has messages to send, but will sleep most of the time to conserve battery life. The wakeup period can be configured in the user interface - it is advisable not to make this too short as it will impact battery life - a reasonable compromise is 1 hour.

The wakeup period does not impact the devices ability to report events or sensor data. The device can be manually woken with a button press on the device as described below - note that triggering a device to send an event is not the same as a wakeup notification, and this will not allow the controller to communicate with the device.

Channels

The following table summarises the channels available for the MT2756 -:

Channel Name Channel ID Channel Type Category Item Type
Binary Sensor sensor_binary sensor_binary Switch
Alarm (water) alarm_flood alarm_flood Water Switch
Alarm (burglar) alarm_burglar alarm_burglar Door Switch
Battery Level battery-level Battery Number

Binary Sensor

Indicates if a sensor has triggered.

The sensor_binary channel and is of type sensor_binary and supports the Switch item. This is a read only channel so will only be updated following state changes from the device.

The following state translation is provided for this channel to the Switch item type -:

Value Label
ON Triggered
OFF Untriggered

Alarm (water)

Indicates if the flood alarm is triggered.

The alarm_flood channel and is of type alarm_flood and supports the Switch item and is in the Water category. This is a read only channel so will only be updated following state changes from the device.

The following state translation is provided for this channel to the Switch item type -:

Value Label
OFF OK
ON Alarm

Alarm (burglar)

Indicates if the burglar alarm is triggered.

The alarm_burglar channel and is of type alarm_burglar and supports the Switch item and is in the Door category. This is a read only channel so will only be updated following state changes from the device.

The following state translation is provided for this channel to the Switch item type -:

Value Label
OFF OK
ON Alarm

Battery Level

Channel type information on this channel is not found.

Device Configuration

The following table provides a summary of the 7 configuration parameters available in the MT2756. Detailed information on each parameter can be found in the sections below.

Param Name Description
1 Basic Set OFF Level Setting the BASIC command value
  • When the flood trigger off(0x00), send the BASIC CC to the group 2 | | 2 | Basic Set ON Level | Setting the BASIC command value

  • When the flood trigger on(0xFF), send the BASIC CC to the group 2 | | 5 | Disable the Flood function | Operation mode

  • 0: Flood function is enabled

  • 1: Flood function is disabled | | 7 | Customer Function | Parameter to set the sensor functionsBit 0: ReserveBit 1: ReserveBit 2: ReserveBit 3: Disable send out BASIC OFF after the flood event clearedBit 4: Notification Type. 0:Using Notification Report, 1:Using Sensor Binary ReportBit 5: Disable Multi CC in aut | | 10 | Auto Report Battery Time | The interval time for auto reporting the battery level

  • 0 = Turn off auto report battery.

  • 1-127 = Number of ticks. The default value is 12. The tick time can be set by configuration No. 20. | | 15 | Auto Report Flood Time | The interval time for auto report the flood state

  • 0 = Turn off auto report

  • 1-127 = Number of ticks. The default value is 12. The tick time can be set by configuration No. 20. | | 20 | Auto Report Tick Interval | The interval time for auto reporting each tick.

  • 0 = Turn off all auto report function.

  • 1-255 = Number of ticks. Setting this configuration will effect configuration Nr. 10 and No. 15. |

Parameter 1: Basic Set OFF Level

Setting the BASIC command value

  • When the flood trigger off(0x00), send the BASIC CC to the group 2

Values in the range 0 to 255 may be set.

The manufacturer defined default value is 0.

This parameter has the configuration ID config_1_1 and is of type INTEGER.

Parameter 2: Basic Set ON Level

Setting the BASIC command value

  • When the flood trigger on(0xFF), send the BASIC CC to the group 2

Values in the range 0 to 255 may be set.

The manufacturer defined default value is 255.

This parameter has the configuration ID config_2_1 and is of type INTEGER.

Parameter 5: Disable the Flood function

Operation mode

  • 0: Flood function is enabled
  • 1: Flood function is disabled

The following option values may be configured -:

Value Description
0 Flood function is enabled
1 Flood function is disabled

The manufacturer defined default value is 0 (Flood function is enabled).

This parameter has the configuration ID config_5_1 and is of type INTEGER.

Parameter 7: Customer Function

Parameter to set the sensor functionsBit 0: ReserveBit 1: ReserveBit 2: ReserveBit 3: Disable send out BASIC OFF after the flood event clearedBit 4: Notification Type. 0:Using Notification Report, 1:Using Sensor Binary ReportBit 5: Disable Multi CC in aut

Values in the range 0 to 255 may be set.

The manufacturer defined default value is 0.

This parameter has the configuration ID config_7_1 and is of type INTEGER.

Parameter 10: Auto Report Battery Time

The interval time for auto reporting the battery level

  • 0 = Turn off auto report battery.
  • 1-127 = Number of ticks. The default value is 12. The tick time can be set by configuration No. 20.

Values in the range 0 to 127 may be set.

The manufacturer defined default value is 12.

This parameter has the configuration ID config_10_1 and is of type INTEGER.

Parameter 15: Auto Report Flood Time

The interval time for auto report the flood state

  • 0 = Turn off auto report
  • 1-127 = Number of ticks. The default value is 12. The tick time can be set by configuration No. 20.

Values in the range 0 to 127 may be set.

The manufacturer defined default value is 12.

This parameter has the configuration ID config_15_1 and is of type INTEGER.

Parameter 20: Auto Report Tick Interval

The interval time for auto reporting each tick.

  • 0 = Turn off all auto report function.
  • 1-255 = Number of ticks. Setting this configuration will effect configuration Nr. 10 and No. 15.

Values in the range 0 to 255 may be set.

The manufacturer defined default value is 30.

This parameter has the configuration ID config_20_1 and is of type INTEGER.

Association Groups

Association groups allow the device to send unsolicited reports to the controller, or other devices in the network. Using association groups can allow you to eliminate polling, providing instant feedback of a device state change without unnecessary network traffic.

The MT2756 supports 2 association groups.

Group 1: Lifeline

The Lifeline association group reports device status to a hub and is not designed to control other devices directly. When using the Lineline group with a hub, in most cases, only the lifeline group will need to be configured and normally the hub will perform this automatically during the device initialisation. The device sends a notification report of the command class Battery report, notification report, and local device reset Notification, Binary Report.

Association group 1 supports 5 nodes.

Group 2: Light Control

Association group 2 supports 8 nodes.

Technical Information

Endpoints

Endpoint 0

Command Class Comment
COMMAND_CLASS_NO_OPERATION_V1
COMMAND_CLASS_BASIC_V1
COMMAND_CLASS_SENSOR_BINARY_V1 Linked to BASIC
COMMAND_CLASS_ASSOCIATION_GRP_INFO_V1
COMMAND_CLASS_DEVICE_RESET_LOCALLY_V1
COMMAND_CLASS_ZWAVEPLUS_INFO_V1
COMMAND_CLASS_CONFIGURATION_V1
COMMAND_CLASS_ALARM_V1
COMMAND_CLASS_MANUFACTURER_SPECIFIC_V1
COMMAND_CLASS_POWERLEVEL_V1
COMMAND_CLASS_FIRMWARE_UPDATE_MD_V1
COMMAND_CLASS_BATTERY_V1
COMMAND_CLASS_ASSOCIATION_V1
COMMAND_CLASS_VERSION_V2
COMMAND_CLASS_MULTI_CMD_V1
COMMAND_CLASS_SECURITY_V1

Documentation Links


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