Hitachi L200 Manual Do Utilizador

L200 Inverter

Appendix B

Follow the steps in this section to connect the inverter to the ModBus network.

1. Open Serial Port Cover - The inverter keypad has a hinged dust cover protecting the 

serial port connector. Lift the cover from the bottom edge, and tilt upward as shown 
(below left).

2. Modular Interconnect Removal - With the serial port cover opened, notice the RJ45 

modular connector behind it. Connect the serial cable and engage the locking tab in 
the connector as shown (below right).

3. Cable Wiring - The inverter communications 

port uses RS485 differential transceiver. The 
pinout is shown to the right and listed below. Be 
sure the cable connection you make matches the 
diagram.

1

—

Not used. Do not connect

2

—

Not used. Do not connect

3

—

Not used. Do not connect

4

—

Not used. Do not connect

5

SP

Send/Receive data Positive

6

SN

Send/Receive data Negative

7

—

Not used. Do not connect

8

—

Not used. Do not connect

RJ45 modular 

communications 

connector

Dust 

cover

Serial cable with RJ45 end

1

2

RESET

FUNC.

STR

POWER

ALARM

RUN

A

Hz

PRG

5 0.0

S
N

1

S
P

2

3

4

5

6

7

8

Not used

Not used