Delta PPM R4E, Installation Manual

Page: 29 / 96

Installation
（
Wired
）
■ Using 1 inverter
(1)
Remove the communications connectors from the inverter, and thread the cables through the
waterproof gasket.
※
If the removal method is unclear, see the inverter installation and maintenance manuals.
※ When removing the communications connectors, make sure to turn OFF beforehand the DC
switches, operations switches, and solar generator breakers.
(2) Hold down the top of the terminal block on the communications connectors, and insert the cables
as follows: 1 VCC, 2 GND, 3 DATA+, 4 Data-.
Check that the cables have been inserted securely.
■ Cable
・
Make sure to use RS-485 cable.
Prepare 0.3 to 0.5mm
2
x single wire, 2 cores (twin wires rather than 1 pair) shielded cable
(rated temperature: 80ºC to 85ºC).
・
Read the inverter installation and maintenance manuals while working.
・
If connecting multiple inverters, complete the settings so that there are no duplicate IDs.
・
Process the cables before use.
(3) Turn ON the DIP switch on the communications director.
ON
1
To the Power meter
2.6.Setting the Communications Unit
8mm
Cable
40mm
Φ0.6~0.8
Φ5~6
29