Manual

WindO/I-NV2 User’s Manual 26-1

Pass-Through Function

The Pass-Through function enables the MICRO/I to relay communications between the programming software on the

computer and the PLC. Therefore, connecting to the computer can perform communication with both of the MICRO/I

and PLC.

1.1 Features of the Pass-Through Function

• Communication with both of the MICRO/I and PLC can be performed by simply connecting the computer to the

MICRO/I using a maintenance cable. It is not required to replace the cable connected to the PLC.

• Communication between the programming software on the computer and PLC can be performed without

interrupting the operations of the MICRO/I.

1.2 Operating Conditions for the Pass-Through Function

The Pass-Through function operates under the following conditions:

• The MICRO/I is in the Run Mode or Monitor mode.

• A host I/F driver that supports the Pass-Through operation.

• [Project Settings] - [Host I/F Driver] - [Enable Pass-Through] is selected.

Chapter 26 Pass-Through Function

1 Overview Pass-Through

HG3G

HG2G-5FHG2G-5SHG2G-S

HG4G HG1F HG2F HG2S HG3F HG4F

Use the Pass-Through Tool with the HG2G-S/-5S/-5F, HG3G/4G series if you have the following:

• A compertitor’s PLC.

• Currently using WindLDR Ver. 5.0* - 6.0*.

Computer