7 Installation
Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18
64
7.7 Connecting the external power off
(EPO)
7.7.1 Introduction
3
1
2
4
Fig. 7.1:
Components on the communications card
1
DIP switch for RS485 termination resistor
2
RS485 (terminal block)
3
Dry contacts (terminal block)
4
External power off (RJ45)
Pin assignment
Pin
Designa-
tion
Short-cir-
cuit
Assigned action
1
V1
–
–
2
K0
V1 + K0
External power off (EPO)
3
K1
V1 + K1
–
4
K2
V1 + K2
–
5
K3
V1 + K3
–
6
K4
V1 + K4
–
7
K5
V1 + K5
Reserved
8
K6
V1 + K6
Reserved
The relay for the external power off can be set as normally open
or normally closed on the display, see “9.16 External power off
(EPO)”, page 102.
7.7.2 Cabling the external power off
1.
Twist off the cable gland from the communications connector
and remove the gland and seal.
2.
Remove the cover screws and then the cover.