SMA PPM-10 - Page 27

6 Electrical Connection
SMA Solar Technology AG
Installation Manual 27PPM-10-IA-en-16
Position Designation Description
B Terminal block X320 Terminal for supply voltage of customer installation location
C
Buffer module T3
For short-term bridging of failures of the external supply voltage for
all 24V supplied components
D
K3,K4 and K5 K3: Relay for signaling from the buffer module to DataManagerL
K4: Relay for signaling from the buffer module to the programmable
logic controller (A)
K5: Relay for resetting the programmable logic controller (A) by the
redundant PowerPlantManager
E
SMA Data Manager L A1
Central communication unit for monitoring, management and grid-
compliant power control
F
Power source T1
24VDC / 48VDC or 230VAC*
G
F1
Main switch Grid voltage
H
F3 - F5
Miniature circuit breaker for voltage measurement
I
F40 - F43
De-energized surge arrester
J
Network switch A21
2 slots for optical-fiber modules:
• External communication network
• Communication with inverters
• Communication with DataAcquisitionModule
4 RJ45 jacks for external communication network
K
Network switch A22
4 RJ45 jacks for internal communication network
L
Terminal block X400
24VDC potential distributor for internal voltage supply
M
A60
I/O system
N
A50
I/O system
O
K20 - K27
Relay*
P
F10 - F13
Internal miniature fuses*
Q
Potential distributor X410
24VDC potential distributor for internal voltage supply of the pro-
grammable logic controller (A)
R
RS485 module A31
Industrial RS485 converter with 2kV insulation
S
Patch panel A40
Connection for optical fibers and RJ45 plugs
T
Terminal block X670
Switching inputs for connecting a key switch or an external fast stop
U
Terminal block X702
Switching inputs for the connection of signal generators, such as cir-
cuit breakers and ripple control receivers
V
Terminal block X703
Switching outputs for the connection of contactors
W
Terminal block X680
Inputs and outputs for I/O system