7 Installation
Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18
62
2.
Remove the cover screws and then the cover.
3.
Withdraw the communications card.
4.
Pull the cable through the cable gland and seal.
Do not remove the rubber plugs from the unused lead-
throughs in the seal.
7.6.3 Wiring dry contacts with an internal 12 V
DC
supply
GND
VCC
D
ATA
+
D
ATA
-
D
ATA
+
D
ATA
-
COM
N01
N02
RS485-Klemmenblock
Potenzialfreie
Kontakte
Lampe
Summer
Fig. 7.2:
Dry contacts with internal 12 V
DC
supply for external
alarm device, Variant 1
GND
VCC
D
ATA
+
D
ATA
-
D
ATA
+
D
ATA
-
COM
N01
N02
RS485-Klemmenblock
Potenzialfreie
Kontakte
Lampe
Summer
Fig. 7.3:
Dry contacts with internal 12 V
DC
supply for external
alarm device, Variant 2
1.
Twist off the cable gland from the communications connector
and remove the gland and seal.