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