Hitachi X200 Series instruction manual Connecting the Inverter to ModBus

Models: X200 Series

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B3

Connecting the Inverter to ModBus

Follow these 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.

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.

RJ45 connector

Appendix B

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.

Pin

Symbol

Description

 

 

 

 

 

 

 

 

 

 

 

 

1

Not used. Do not connect

 

 

 

 

 

 

 

 

 

 

 

 

2

Not used. Do not connect

1 2 3 4 5 6 7 8

 

3

Not used. Do not connect

 

 

 

 

 

 

 

 

 

 

 

 

 

4

L

Common

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

SP

Send data positive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

SN

Send data negative

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

L

Common

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

Not used. Do not connect

 

 

 

 

 

 

 

 

 

 

 

 

Page 230
Image 230
Hitachi X200 Series instruction manual Connecting the Inverter to ModBus