Installing The Wsd (Wired Shutdown) - Fronius Primo GEN24 208-240 Operating Instructions Manual

Installing the
WSD (wired
shutdown)
The WSD switch of the first inverter with connected trigger device in the WSD
chain must be in position 1 (master). The WSD switch of all other inverters
should be in position 0 (slave).
Max. distance between two devices: 109 yd / 100 m
max. number of devices: 28
* Floating contact of the trigger device (e.g., central grid and system protection).
If several floating contacts are used in a WSD chain, these must be connected in
series.
66
IN (+) OUT (+)
IN (-) OUT (-)
*
WARNING!
Limited rapid shutdown function in
backup power mode (PV Point and
Full Backup)
If PV Point or Full Backup is con-
figured, rapid shutdown cannot be
triggered via the loss of grid connec-
tion. This can result in serious personal
injury and damage to the PV system.
▶
A WSD switch must be installed
for all backup power modes (PV-
Point and Full Backup) (see
stalling the WSD (wired shut-
down)). The rapid shutdown is then
triggered via WSD.
IMPORTANT!
The push-in WSD terminal in the in-
verter's connection area is delivered
with a bypass ex works as standard.
The bypass must be removed when in-
stalling a trigger device or a WSD
chain.
IN (+) OUT (+)
IN (-) OUT (-)
CAT 5/6/7
In-
IN (+) OUT (+)
IN (-) OUT (-)