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2 rs485 interface – KACO blueplanet 750 - 1000 kVA User Manual

Page 133

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KACO blueplanet 1000/875/750 TL3 M1 IS OD DEX0

Page 133

User interface

9.2 RS485 interface

The inverter has two RS485 connections.
RS485-1

Interface for the Powador Argus
Interface for optional Powador-go

RS485-2

Interface for the HMI’s internal data logger, or for the external Powador proLOG data logger

9.2.1 RS485-1 Interface

1d

1c

2d

2c

3d

3c

4d

4c

5d 6d 7d 8d

5c 6c 7c 8c

1c

PE

1d

PE

R

S4

85

2d

5d

2c

5c

3d

6d

3c

6c

4d

7d 8d

4c

7c 8c

Signal transceiver

A B GND

Figure 114: RS485-1 connection

Figure 115: Circuit diagram for RS485-1

connection

Terminal number

Terminal designation

Specification

Wire cross- section

1c

RS485 A1

RS485 signal A1

AWG22

(0.326mm

2

)

1d

RS485 B1

RS485 signal B1

3c

RS485 C1

Termination resistor
terminal

3d

RS485 G1

RS485 data transmission
GND 1

"

For termination disposal, you can use RS485 B1(1d) and RS485 C1(3c) with jumper because
termination resistor is already installed inside of XCU board.

Table 38: Connections for RS485-1