3 Important Notes
27-8 WindO/I-NV4 User’s Manual
• When sending and receiving data with an external device from PLC programming software using the Pass-through
function, MICRO/I Device Link Communication and Pass-through function communication are performed at the
same time, so the data transfer speed of each will slow down.
In the case above, if Device Link Communication between the MICRO/I and the external device is stopped by the
Pass-through Tool, the data transfer speed of downloading or uploading the PLC program via MICRO/I will be
improved. However, "Communication Error" will be displayed on the MICRO/I screen.
• Please do not use communication with WindO/I-NV4 and Programming software at the same time.
• If the communication via Pass-through fails, change the settings such as Baud Rate, Timeout, Transfer Mode etc on
PLC programming software.
• If one of the following problems occurs while using the Pass-through function and a communication error is
displayed, then reset the power of MICRO/I.
- The communication cable between the computer and MICRO/I was disconnected after stopping communication
of the MICRO/I and the external device using the Pass-through Tool.
- The computer was forcibly shut down due to a power loss or other problem
• The Pass-through function can only use one of "External Device Communication 1" through "External Device
Communication 4".
3 Important Notes
Example: WindLDR
Transfer Mode: ASCII
Baud Rate: 9600 bps
Timeout: 5000 msec.
HG3G
HG2G-5FHG5G-V HG4G-V HG3G-V HG2G-V HG2G-5T
HG4G HG1G HG1P
HG2J-7U
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