Monitoring EnOcean Communication

Understanding the Link Status

Link Status has four status values that indicate the current stages of the EnOcean device in the linking process:

• Unpaired: The status of Unpaired indicates that the device has not set up a link with an EnOcean device. For manual pairing, the status changes from Unpaired to Online when the first packet is received.
• Pairing: Indicates that learning is enabled. When learn mode is enabled, the link process gets the new device address, and sets up the link.
• Online: Indicates a successful learn operation with a valid address.
• Offline: The address CSV holds a valid address, but the reliability timer is expired. An Offline status indicates that a device was learned but no new packet came in during the defined reliability timer period.

The Link Status requires up to one minute to reflect a new status.

When the Learn Mode BV object is commanded to On, the Link Status object changes to Pairing. When the first packet is received, the Link Status changes to Online. When the pairing process is complete, the Device Address CSV shows a hexadecimal value.

Understanding the Reliability Timer

The Reliability Timer confirms that the device is active and communicating (where DD = EnOcean device number 01-32)

Name	Reference (O3 Edge)
Reliability Timer	AV3DD997

The Reliability Timer object displays a value in seconds (although the unit displays as %). When a new packet is received, the timer resets and begins another count down cycle. If a new packet is not received from the paired EnOcean device before the timer expires, the Link Status CSV object changes to Offline. To disable the Reliability Timer for a device, manually set the Reliability Timer object value to 0.

Monitoring Communication Statistics

Incoming and outgoing communications statistics provide a way to verify that EnOcean data is being transferred without an excessive number of errors (where DD = EnOcean device number 01-32)

Name	Reference (O3 Edge)
Total Send Error	AV3DD983
Total Send	AV3DD984
Total Receive Error	AV3DD994
Total Receive	AV3DD995

The ratio of error packets to total packets received should be less than 5 percent.

The Total Receive object holds the count for total packets received with no errors. The Total Receive Error object holds the count for total packets received with errors.

The Total Send object holds the count for total packets sent with no errors. This number is reported by the EnOcean transceiver and does not necessarily mean that the packets were received at their destination. The Total Send Error object holds the count for total packets sent with errors. The Total Send count does not include packets that cause the Total Send Error count to be incremented.

You can create an AV object (AV3DD059) to monitor the total number of packets received by a particular EnOcean-capable O3 Edge. However, this will also count packets received with errors, so it is not a good indicator of the total number of successful packets.

Monitoring the Wireless Signal

RSSI (Receive Signal Strength Indicator) is a measurement that determines the power of a
received signal.

You can create a Trend Log object to view the received signal strength in dBmV (decibels
relative to one millivolt) and adjust the position of the sensor if your signal is weak. The trend
log table graphically displays the time range and strength of the signal. For more information
about trend logs, see help.deltacontrols.com

Name	Reference
RSSI	AV3DD980
DD = EnOcean device number (01–32)

Value of Signal Strength

The following table outlines signal strength ranges. If the dBm value is high, the signal will be
weaker; if the dBm value is low, the signal will be stronger.

Signal Strength	Description
-40 dBm	Indicates a very strong signal. EnOcean sensor is likely in close proximity to the O3.
-60 dBm	Indicates the signal is sufficient enough to communicate to the O3. Sufficient for delivery of packets.
-80 dBm	Indicates a weak signal. Packet delivery may be unreliable. You may need to adjust the position of the sensor and O3.