Secure micro PLC with STM32H747XI dual-core MCU, Ethernet, USB-C, and RS-485, supporting Arduino sketch and IEC 61131-3 PLC languages. Adds half-duplex RS-485 for fieldbus sensor networks compared to the Opta Lite. Supports secure boot and OTA firmware updates.
| Pin | Type |
|---|---|
| 12–24VDC | Power |
| GND | Ground |
| I1 | Signal |
| I2 | Signal |
| I3 | Signal |
| I4 | Signal |
| I5 | Signal |
| I6 | Signal |
| I7 | Signal |
| I8 | Signal |
| Q1 | Signal |
| Q2 | Signal |
| Q3 | Signal |
| Q4 | Signal |
| ETH | Signal |
| RS485 A | Signal |
| RS485 B | Signal |
Ethernet · UART · SPI · Shield
Module pins: 12–24VDC, GND, I1, I2, I3, I4, I5, I6. Schematik maps them to your board in the app.
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