Kostal PIKO 1.5 MP, Руководство по эксплуатации

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The address is changed at the inverter via the menu items „Settings“
▶
„Address“
.
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Only addresses ranging from 1 – 99 may be set.
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The bus master devices usually support less than 99 addresses. Con‐
sult the respective operating instructions for these devices before set‐
ting the addresses of the inverters.
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We recommend starting with address 1 for the first inverter on the bus
and then incrementing the address by 1 for each subsequent inverter
on the bus, in the same order as they are physically installed. This
makes it easier to identify the relevant inverters when their address is
displayed in messages shown on the remote display.
3.6.7 Modbus RTU
The inverter communicates via Modbus RTU with energy meters
Ä
Chapter 4.8 „Feed-in management“ on page 43
. The following applies:
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Only energy meter pre-programmed in the inverter can be used.
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The energy meter must measure the supply from the grid in positive
direction. Follow the manufacturer's instructions.
3.6.8 Modbus RTU data connection cable
NOTICE!
Material damage from electrical current! The alternative data
connection cable may only be manufactured by technical
professionals.
On the inverter side, a 4-pole telephone cable with RJ10 connector may be
used as data connection cable.
4
1
Fig. 6: Contact assignment (= line number) of the RJ10 plug
Device
Connection Inverter
RJ10
Signal
Contact 1 Data A
2 Data B
3 Ground
4 —
Structure and function
11/2017 | DOC01664604 | KOSTAL operating instructions PIKO inverter 1.5 - 4.2 MP 28