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SRT323 - ZWave |
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This describes the Z-Wave device SRT323, manufactured by Horstmann Controls Limited with the thing type UID of horstmann_srt323_00_000.
The device is in the category of HVAC, defining Air condition devices, Fans.
The SRT323 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 SRT323 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.
The SRT323 has been developed to control central heating systems where the demand temperature can be set locally or remotely by a third party device. The SRT323 also has the capability to act as a temperature sensor
Set DIL switch 1 to ’ON’ position on the back of the unit, scroll through the function menu by rotating the dial until L is displayed
Once the character starts flashing the installer has 60 sec to activate the 3rd party unit. Once the 3rd party unit has been activated the process must be completed within 240 sec or SRT323 will timeout. Preferably, start the process to add a node from the controller then press the dial of the SRT323
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The SRT323 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.
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The following table summarises the channels available for the SRT323 -:
| Channel Name | Channel ID | Channel Type | Category | Item Type |
|---|---|---|---|---|
| Sensor (temperature) | sensor_temperature | sensor_temperature | Temperature | Number:Temperature |
| Thermostat mode | thermostat_mode | thermostat_mode | Temperature | Number |
| Operating State | thermostat_state | thermostat_state | Temperature | Number |
| Setpoint (heating) | thermostat_setpoint | thermostat_setpoint | Heating | Number:Temperature |
| Battery Level | battery-level | system.battery_level | Battery | Number |
Indicates the current temperature.
The sensor_temperature channel is of type sensor_temperature and supports the Number:Temperature item and is in the Temperature category.
Sets the thermostat.
The thermostat_mode channel is of type thermostat_mode and supports the Number item and is in the Temperature category.
The following state translation is provided for this channel to the Number item type -:
| Value | Label |
|---|---|
| 0 | Off |
| 1 | Heat |
| 2 | Cool |
| 3 | Auto |
| 4 | Aux Heat |
| 5 | Resume |
| 6 | Fan Only |
| 7 | Furnace |
| 8 | Dry Air |
| 9 | Moist Air |
| 10 | Auto Changeover |
| 11 | Heat Economy |
| 12 | Cool Economy |
| 13 | Away |
Sets the thermostat operating state.
The thermostat_state channel is of type thermostat_state and supports the Number item and is in the Temperature category.
The following state translation is provided for this channel to the Number item type -:
| Value | Label |
|---|---|
| 0 | Idle |
| 1 | Heating |
| 2 | Cooling |
| 3 | Fan Only |
| 4 | Pending Heat |
| 5 | Pending Cool |
| 6 | Vent / Economiser |
Sets the thermostat setpoint.
The thermostat_setpoint channel is of type thermostat_setpoint and supports the Number:Temperature item and is in the Heating category.
Represents the battery level as a percentage (0-100%). Bindings for things supporting battery level in a different format (e.g. 4 levels) should convert to a percentage to provide a consistent battery level reading.
The system.battery-level channel is of type system.battery-level and supports the Number item and is in the Battery category.
This channel provides the battery level as a percentage and also reflects the low battery warning state. If the battery state is in low battery warning state, this will read 0%.
The following table provides a summary of the 3 configuration parameters available in the SRT323. Detailed information on each parameter can be found in the sections below.
| Param | Name | Description |
|---|---|---|
| 1 | Temperature Sensor | Disable or enable temperature sensor |
| 2 | Temperature Scale | Temperature Scale |
| 3 | Delta T | Define the temperature steps |
| Wakeup Interval | Sets the interval at which the device will accept commands from the controller | |
| Wakeup Node | Sets the node ID of the device to receive the wakeup notifications |
Disable or enable temperature sensor
The following option values may be configured -:
| Value | Description |
|---|---|
| 0 | Disabled |
| 255 | Enabled |
The manufacturer defined default value is 255 (Enabled).
This parameter has the configuration ID config_1_1 and is of type INTEGER.
Temperature Scale
The following option values may be configured -:
| Value | Description |
|---|---|
| 0 | Celsius |
| 255 | Fahrenheit |
The manufacturer defined default value is 0 (Celsius).
This parameter has the configuration ID config_2_1 and is of type INTEGER.
Define the temperature steps Change between temperatures to trigger a temperature report (step 0.1) (Default 10 = 1C) Values in the range 0 to 100 may be set.
The manufacturer defined default value is 10.
This parameter has the configuration ID config_3_1 and is of type INTEGER.
The wakeup interval sets the period at which the device will listen for messages from the controller. This is required for battery devices that sleep most of the time in order to conserve battery life. The device will wake up at this interval and send a message to the controller to tell it that it can accept messages - after a few seconds, it will go back to sleep if there is no further communications.
This setting is defined in seconds. It is advisable not to set this interval too short or it could impact battery life. A period of 1 hour (3600 seconds) is suitable in most instances.
Note that this setting does not affect the devices ability to send sensor data, or notification events.
This parameter has the configuration ID wakeup_interval and is of type INTEGER.
When sleeping devices wake up, they send a notification to a listening device. Normally, this device is the network controller, and normally the controller will set this automatically to its own address. In the event that the network contains multiple controllers, it may be necessary to configure this to a node that is not the main controller. This is an advanced setting and should not be changed without a full understanding of the impact.
This parameter has the configuration ID wakeup_node and is of type INTEGER.
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 SRT323 supports 5 association groups.
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.
Association group 1 supports 1 node.
Association group 2 supports 4 nodes.
Association group 3 supports 4 nodes.
Association group 4 supports 4 nodes.
Association group 5 supports 4 nodes.
| Command Class | Comment |
|---|---|
| COMMAND_CLASS_NO_OPERATION_V1 | |
| COMMAND_CLASS_BASIC_V1 | |
| COMMAND_CLASS_SENSOR_MULTILEVEL_V1 | |
| COMMAND_CLASS_THERMOSTAT_MODE_V1 | |
| COMMAND_CLASS_THERMOSTAT_OPERATING_STATE_V1 | |
| COMMAND_CLASS_THERMOSTAT_SETPOINT_V1 | |
| COMMAND_CLASS_CONFIGURATION_V1 | |
| COMMAND_CLASS_MANUFACTURER_SPECIFIC_V1 | |
| COMMAND_CLASS_BATTERY_V1 | |
| COMMAND_CLASS_WAKE_UP_V2 | |
| COMMAND_CLASS_ASSOCIATION_V1 | |
| COMMAND_CLASS_VERSION_V1 |
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