![]() MELSOFT engineering tools can establish a connection to the programmable controller CPU through the serial connection to perform programing and maintenance duties.Connect with intelligent devices using their native protocol (barcode reader, measurement device, etc.) by selecting non-procedure protocol and using a sequence program for communication control.External devices (personal computer, HMI, etc.) may read and write data in the programmable controller CPU using MC protocol.Push the limits of serial technology: baud rates up to 230.4 kbps, distance up to 1200 m, and multiple block batch read/write up to 960 words from QCPU device memory.Serial communication module RS422/485 2ch QJ71C24N-R4.Serial communication module RS-232 2ch QJ71C24N-R2.Serial communication module RS-232 1ch, RS-422/485 1ch QJ71C24N.
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