Design Win

8-port IO-Link master based on IOLM4P L6360

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Product overview


The STDES-8PIOLM4P is an 8-port IO-Link master design based on the IOLM4P.

The IOLM4P is an all-in-one IO-Link master 4-port solution and it has the protocol stack programmed by the ST partner TEConcept.

It enables a fast and easy 8-port IO-Link master prototype, with a competitive cost, which can greatly reduce the time to market for the customers multiport IO-Link master design.

The STDES-8PIOLM4P is a reference design board with a L6360TR as an IO-Link device transceiver.

The IOLM4P is STM32L431CB MCU with IO-Link master stack.

The STM32F746ZG is the main controller to play as gateway between USB/Ethernet and IO-Link.

The Ethernet IP function, is implemented through external Ethernet PHY KSZ8863, which has two PHY units and supports both 10BASE-T and 100BASE-TX.

The STDES-8PIOLM4P is a turnkey solution ready for industrialization.

The IOLM4P is based on a STM32F746ZG MCU preprogrammed by Arrow Electronics integrated TEConcept IO-Link master stack, easy to develop for the customer.

A dedicated SWD 5-pin connector can program the microcontroller STM32F746ZG.

This STDES-8PIOLM4P is an ST total solution with one-stop BOM purchasing.

  • All features

    • 8-port IO-Link master STDES-8PIOLM4P (172 x 60 mm) main board, 24V power connector, 8 Port M12 connector and USB micro connector for communication
    • Main controller is STM32F746ZG, Arm 32-bit Cortex®-M7 CPU with FPU, adaptive real-time accelerator (ART Accelerator) and L1-cache: 4KB data cache and 4KB instruction cache, allowing 0-wait state execution from embedded flash memory and external memories. Frequency up to 216 MHz, MPU, 462 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions
    • Two IOLM4P-STM32L4 modules used and each is an IO-Link V1.1.2 compliant 4-port master controller stack
    • USB micro connector for PC control tool communication
    • Alternate UART port for STM32F7 module running code debug
    • 8 L6360 IO-Link master transceiver ICs
    • Easy to extend and integrate the IOLM4P into different application
    • Fully compatible with all IO-Link devices
    • On-board reverse polarity protection
    • EEPROM interface for local data storage support
    • SWD connector for debugging and programming capability
    • Optional Ethernet RJ45 connector for specific application
    • On board connector for IOLM4P master firmware updating
    • RoHS compliant

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade WEEE Compliant Material Declaration**
- Industrial - Yes




Material Declaration**:

Marketing Status






RoHS Compliance Grade


(**) The Material Declaration forms available on may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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Core Product:

L6360TR, STM32F746ZGT6, SPT01-335DEE, VN808CM-E, L7986ATR

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors