SMA SC 400HE - Manual (Page 42)

4 Sunny Central Control SMA Solar Technology AG
42 SC4-63HE-BE-BEN103280 Operating Manual
6. Enter the calculated value for gain and confirm with [ENTER] until the line stops flashing.
7. Enter the calculated value for offset and confirm with [ENTER] until the line stops flashing.
8. After exiting the menu, confirm the security prompt twice with [ENTER].
☑ The sensor is configured.
4.6.3 Displaying the Sensor's Spot Values
1. Select Spot Values > Other.
2. Select the required sensor.
☑ The present value is displayed under the sensor name.
4.6.4 Setting the External Alarm
The analog input "ExtAlarm" is preconfigured for the connection of an external alarm.
If you have activated the e-mail report "Warnings", you will receive an e-mail immediately after the
alarm is tripped (see section 4.5.2 "Selecting the Report Types to Send", page 37).
1. Enter password (see section 4.2.2 "Entering the Password", page 32).
2. Select Device Set-up > Interfaces > Analog In > ExtAlarm.
3. Set the ctrl ExtAlarm parameter to the required value.
4. After existing the menu with the security prompt, confirm twice with [ENTER].
4.7 Active Power Limitation
4.7.1 Frequency-independent Active Power Limitation Procedure
The Sunny Central can limit its active power if requested by the distribution grid operator. You can use
the "P-WMod" parameter to set the procedure for limiting active power (see section
9.2 "Red.effect.pow.", page 92). You use the parameter to configure how the distribution grid
operator's parameters should be received and implemented. The default value for this parameter is
"Off".
Adjustable Meaning
Deactivated The sensor is deactivated.
Active high The alarm is tripped if there is 24 V on the alarm input terminal.
Active low The alarm is tripped if there is 0 V on the alarm input terminal.