SMA SC 400HE Installation - Manual (Page 103)

SMA Solar Technology AG Technical Data
Installation Guide SCxxxHE-IEN104432 103
Sunny Central Control interfaces
* Terminal for an analog sensor provided by the customer in two-wire and four-wire version.
Protection rating and environmental conditions
Communication (NET Piggy-Back, optional) Analog, ISDN, Ethernet
Analog inputs* 1 x PT 100, 5 x A
in
Overvoltage protection for analog inputs Optional
Sunny String-Monitor connection (COM1) RS485
PC connection (COM2) RS232
Potential-free contact (ext. malfunction report) 1
Protection rating as per EN 60529 IP20
Protection rating as per EN 60721-3-3
Environmental conditions:
fixed location, with protection against wind and
weather Classification of
• chemically active substances:
3C1L
• mechanically active
substances: 3S2
Permissible ambient temperatures T ‒20 °C ... +50 °C
Relative humidity, not condensing U
air
15 % ... 95 %
Max. altitude above sea level Mean sea
level 1 000 m
Fresh air consumption V
air
6 200 m³/h