SMA Sunny Boy Control - Manual (Page 152)

Sunny Boy Control
SMA Technologie AG
User Manual SUNBC - 14 : NE0206 148
DIGITAL IN/OUT:
DB25 connector
External 24 V power supply:
Input voltage: 14 – 18 V AC, max. 0.5 A or
18 – 27 V DC, max. 2 A
(1 A per pin)
Overvoltage protection: ±36 V
Reverse voltage protection
8 digital inputs:
Compatible with SO interface
Max. voltage:
27 V DC
Max. amperage: 27 mA DC
Max. switching frequency: 200 Hz
“Switched on” condition: >10 V
“Switched off” condition: < 5 V
8 digital outputs:
Short circuit/overheat protection
Max. output amperage:
500 mA per channel
max. 2 A total
Output voltage: 18 – 24 V