Terminal Assignment For Grounded Solar Modules; Example Of Terminal Assignment For Grounded Solar Modules; Connecting Solar Module Strings To The Fronius String Control 100/12 - Fronius String Control 100/12 MET Manual

Terminal assign- For grounded solar modules, only the ungrounded poles of the solar module strings may
ment for ground- be connected to the fuse-protected terminals (A).
ed solar modules
Negative solar module ground
Positive solar module ground
Example of termi-
nal assignment
for grounded so-
lar modules
Assignment for solar module ground at the negative
pole
Connecting Solar
1
Module Strings to
the Fronius String
Control 100/12
(A)
(B)
(C)
64
-
+
B' A'
( )
( ) ( )
B
(B)
(A)
Tightening torque 2.0 Nm
Tightening torque 1.5 Nm
Tightening torque 2.0 Nm
DC-
B (in) B' (out) A' (out)
DC+
B (in) B' (out) A' (out)
( )
A
Assignment for solar module ground at the positive
pole
2
DC+
A (in)
DC-
A (in)
-
+
B' A'
( ) ( )
( ) ( )
B A
(A)
(C)