SUNNY ISLAND 5048 - Technical Description - Wind & Sun Ltd.
SUNNY ISLAND 5048 - Technical Description - Wind & Sun Ltd. SUNNY ISLAND 5048 - Technical Description - Wind & Sun Ltd.
Multicluster Operation SMA Solar Technology AG 16.6 Communication Test Using the parameter "510.08 TstClstCom" a communication test between the clusters can be started from each master device of a cluster. Switch only one master device of the extension cluster to "Transmit". The parameter "510.09 ClstComStt" delivers the status of the test. Query this parameter at all master devices, including the transmitting device. If the communication test is successful, the status "OK" appears. 16.7 Automatic Frequency Control (AFC) In Multicluster operation, automatic frequency control (AFC) can only be activated at the main master. This function is activated using the "250.11 AfraEna" parameter. 16.8 Updating the Firmware Stopping the Sunny Island It is recommended to stop the entire cluster network, and to deactivate the loads insofar as this is possible. DC circuit breaker Do not activate the DC circuit breaker during update process! Carry out the update on all masters of the individual clusters via an SD card. All extension masters must have completed their updates! The message shown on the right is displayed. After the update of the masters has been carried out, carry out an automatic update of the slaves. ������������� ����������� Starting the Multicluster system Start the system only after the firmware on all Sunny Island devices has been updated. 138 SI5048-TB-TEN110340 Technical Description
SMA Solar Technology AG Multicluster Operation 16.9 Error Handling in a Multicluster System For Multicluster system operation, the entire main cluster is always required. If a device in the main cluster fails (master and/or slave), this causes the main cluster to stop. If the main cluster is stopped — whether due to a fault, or otherwise — this causes the extension clusters to stop, and thus the entire Multicluster system. For operation of an extension cluster, it is necessary that at least the master device (of the extension cluster) is in operation. If a slave device in the extension cluster fails, this does not cause the master device to stop. The devices in an extension cluster are only started up if the respective device detects a voltage when starting. 16.10 Grid Operation In Multicluster systems, operation with the Sunny Island special grid parameters is not possible. The grid can be incorporated with the generator settings. 16.11 Generator Emergency Operation If a Multicluster system fails, manual operation via the generator is possible. For this purpose, the generator must be started manually, directly at the generator. As soon as a voltage is present, the Multicluster Box connects the generator through to the loads, without a Sunny Island being in operation. Technical Description SI5048-TB-TEN110340 139
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SMA Solar Technology AG Multicluster Operation<br />
16.9 Error Handling in a Multicluster System<br />
For Multicluster system operation, the entire main cluster is always required. If a device in the main<br />
cluster fails (master and/or slave), this causes the main cluster to stop.<br />
If the main cluster is stopped — whether due to a fault, or otherwise — this causes the extension clusters<br />
to stop, and thus the entire Multicluster system.<br />
For operation of an extension cluster, it is necessary that at least the master device (of the extension<br />
cluster) is in operation. If a slave device in the extension cluster fails, this does not cause the master<br />
device to stop.<br />
The devices in an extension cluster are only started up if the respective device detects a voltage when<br />
starting.<br />
16.10 Grid Operation<br />
In Multicluster systems, operation with the <strong>Sun</strong>ny Island special grid parameters is not possible.<br />
The grid can be incorporated with the generator settings.<br />
16.11 Generator Emergency Operation<br />
If a Multicluster system fails, manual operation via the generator is possible. For this purpose, the<br />
generator must be started manually, directly at the generator. As soon as a voltage is present, the<br />
Multicluster Box connects the generator through to the loads, without a <strong>Sun</strong>ny Island being in<br />
operation.<br />
<strong>Technical</strong> <strong>Description</strong> SI<strong>5048</strong>-TB-TEN110340 139