Serial Communications
Ladder-Controlled Serial Communication
Using Serial Communication function blocks, both MJ1 and MJ2 support Generic, Modbus Master and Modbus
Slave Protocols. In addition, external modems can be connected and accessed using Init, Dial and Answer Modem
function blocks.
Configuration via Mini-B USB
NOTE: The unit must be connected via the mini-USB port to the PC or laptop.
It is possible to load the program and monitor data via the Mini-B USB. To load via Mini-B USB, configure the com-
munications port in Cscape as follows:
Select Tools from the Toolbar > Application Settings > Communications > USB button
It is possible to download or upload and use the data monitoring functions once connected.
NOTE: It is advisable to use an isolated USB cable between the PC or laptop and the Micro OCS Controller when
third party devices are connected to the Micro OCS Controller to avoid damage to the PC or laptop and/or the Micro
OCS Controller.
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