SMA SC 500HE-20 - Manual (Page 37)

SMA Solar Technology AG 5 SC-COM Communication
Operating Manual SCxxxHE-20-BE-BEN111210 37
Changing How Sunny String-Monitors are Identified
1. Select the first Sunny String-Monitor from the list of devices.
2. Select the "Parameters" tab.
3. Select the parameter "SSM Identifier" and allocate a unique identification number to the
Sunny String-Monitor. Note down the identification number.
4. Change how the remaining Sunny String-Monitors are identified using the same process.
5.4 Optional Settings for PV Plant Monitoring
5.4.1 Changing the Communication Period
The communication period is the time during which the Sunny Central String-Monitor Controller
communicates with the Sunny String-Monitors. The communication period is set to 10:00 a.m. to
3:00 p.m. by default.
1. Select the parameter "MoniTmComOn" and specify the start of the monitoring period (see
section 5.2 "Changing Parameters", page 34).
2. Select the parameter "MoniTmComOff" and specify the end of the monitoring period.
3. Confirm entry with [Save].
5.4.2 Changing the Monitoring Period
The monitoring period refers to the time in which the PV plant is being monitored by the
Sunny String-Monitors. The monitoring period is set to 10:00 a.m. to 3:00 p.m. by default.
You can set the monitoring period for all the Sunny String-Monitors or allocate a separate monitoring
period to each group of Sunny String-Monitors.
The monitoring period must lie within the communication period.
Setting the Monitoring Period of all Sunny String-Monitors
1. Select the parameter "MoniTmGrAllOn" and specify the start of the monitoring period
(see section 5.2 "Changing Parameters", page 34).
2. Select the parameter "MoniTmGrAllOff" and specify the end of the monitoring period.
3. Confirm entry with [Save].
Setting the Monitoring Period for Individual Groups of Sunny String-Monitors
1. Select the parameter "MoniTmGr1On" and specify the start of the monitoring period
(see section 5.2 "Changing Parameters", page 34).
2. Select the parameter "MoniTmGr1Off" and specify the end of the monitoring period.
3. Confirm entry with [Save].
4. Repeat steps 1, 2 and 3 for the other groups.