IDEC High Performance Series - Manual (Page 1155)

WindO/I-NV2 User’s Manual 26-1
26
Pa
ss-
Thro
ugh 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-5F HG2G-5S HG2G-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.
Or
• Currently using WindLDR Ver. 5.0* - 6.0*.
Computer