M12 L Code power cables are typically used in applications where both power and data need to be transmitted over industrial communication networks. 

Here are the main communication protocols supported by M12 L Code power cables, along with some example devices and brands that utilize these protocols : 

1. Profinet 

Description :  Profinet is an Ethernet-based industrial protocol used for automation and control systems. It supports high-speed data exchange and real-time communication.

Siemens :  S7-1200, S7-1500 PLCs, SINAMICS drives

Rockwell Automation :  ControlLogix, CompactLogix PLCs

Schneider Electric :  Modicon M580 PLC, Lexium drives

Phoenix Contact :  Industrial switches and gateways

Hirschmann Belden :  Industrial Ethernet switches and routers

2. Ethernet/IP

Description :  Ethernet/IP is an Ethernet-based protocol used primarily in industrial control and automation. It supports both power and data transmission over the same cable.

Hirschmann Belden :  Managed Ethernet switches

B&R Automation :  X20 I/O systems, ACOPOS drives

Siemens :  Simatic ET200 systems, Sinamics drive systems

Rockwell Automation :  Allen-Bradley ControlLogix, CompactLogix, PowerFlex drives
 

3. EtherCAT  

Description :  EtherCAT is a high-performance Ethernet-based protocol optimized for real-time control and automation systems. It is used for high-speed communication in industrial environments.

KUKA :  Robotics controllers and systems

Siemens :  SINAMICS drives, ET 200SP I/O systems

WAGO :  750 Series I/O modules, Ethernet gateways

Beckhoff :  TwinCAT automation software, CX series controllers, EL and EK series I/O modules

4. Modbus TCP

Description :  Modbus TCP is a communication protocol used in industrial automation and control. It is widely used for connecting devices such as PLCs, sensors, and actuators.

Beckhoff :  Ethernet modules, PLC controllers

Schneider Electric :  Modicon PLCs, Altivar drives

WAGO :  750 Series I/O modules, Modbus gateways

Siemens :  S7-1200, S7-1500 PLCs, Sinamics drive systems
  
 

5. CANopen over Ethernet Ethernet-CAN 

Description :  CANopen is a communication protocol for embedded control systems. When used over Ethernet, it provides higher data transfer speeds and is often found in automotive, machine, and robotics applications.

Siemens :  SINAMICS drive systems

Beckhoff :  EL-series I/O modules, EtherCAT terminals

Bosch Rexroth :  Drive systems, automation controllers
  
  

6. DeviceNet

Description :  DeviceNet is an industrial network protocol used for connecting control devices such as sensors, actuators, and drives.

Rockwell Automation :  Allen-Bradley DeviceNet devices

Siemens :  PLCs and I/O devices that support DeviceNet

Honeywell :  Sensors and controllers using DeviceNet protocol