Serial Interfaces
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Filter in catalog →Frequently asked questions
What is the A1SJ71UC24-R4-S2 module used for?
It provides RS-422 and RS-485 serial communication for Mitsubishi A-series PLCs, enabling connection to serial devices and equipment in industrial automation systems.
Which PLCs is this module compatible with?
This module is designed for Mitsubishi A-series PLCs, including A1, A1S, A1SH, and A1SL series controllers.
What communication speeds does this module support?
The module supports standard serial baud rates up to 115.2 kbaud, configurable based on your application requirements.
What is the difference between RS-422 and RS-485?
RS-422 provides point-to-point or point-to-multipoint communication, while RS-485 enables true multi-point communications with multiple devices on a single line.
How is this module installed?
The A1SJ71UC24 is a plug-in communication module that inserts directly into the expansion port of compatible Mitsubishi A-series PLCs.
Does this module support long-distance communication?
Yes, RS-422 and RS-485 protocols are designed for robust long-distance communication, typically up to 1200m at lower baud rates.