User Communication; Overview - IDEC MICRO/I HG4G-CJT22 F-B Series User Manual

5 User Communication

5 User Communication

5.1 Overview

User Communication allows you to develop a communication protocol to transmit and receive data from an external
device, such as a barcode reader.
User Communication is supported up to three interfaces of the MICRO/I, either serial, Ethernet, or USB interfaces.
User communication
When the serial interface connecting external devices is RS485, a maximum of 31 external devices can be
connected. However, carefully check the specifications including the command settings and error
processing and verify whether or not multiple external devices is possible and if so how many number of
external devices may be supported.
• Flow Control setting is None.
• The maximum size of sent data and the maximum size of received data is 1,500 bytes.
3-8
HG5G-V HG4G-V
MICRO/I
Data transmission Data reception
External device
WindO/I-NV4 User's Manual
HG4G HG3G-V HG3G HG2G-V
Device Link Communicaton
HG2G-5F HG2G-5T HG1G HG1P
External device