Table of Contents
Advertisement
Overview of communications card
The connections for RS485, the digital inputs,
the dry contacts and the external power-off
(EPO) are all on the communication card. This
means that the installation work can be com-
bined.
1
3
1 2 x dry contacts (terminal box)
2 DIP switch for RS485 termination resistor and VCC
3 Digital inputs and external power-off (terminal block)
4 RS485 (terminal block)
5 Protection against electromagnetic interference (EMI)
Quick installation guide for solar inverter M88H RPI883M121300 RPI883M122300 EU V1 EN 5017414200_00 2019-11-07
2
4
5
Connecting the communication card
4. Do not skew the screws. The screw heads must be flush
with the surface.
Connecting a PC via RS485
If you wish to use a PC with the Delta Service Software for set-
ting up the inverter you will need a USB/RS485 adapter in order
to connect the PC to the inverter.
Inverter
DATA+ Terminal 3 or 5
DATA– Terminal 4 or 6
ATTENTION
Unwanted currents.
Unwanted currents can flow when multiple
inverters are connected via RS485.
► Do not use GND and VCC.
► If the cable shield is used for providing
lightning protection then the housing of only
one inverter in the RS485 chain should be
grounded.
Overview
USB/RS485 adapter
D+
D–
45
Advertisement
Table of Contents
