The Phoenix Contact 2878696 Bus Coupler is a versatile and reliable component designed for seamless integration within Modbus/RTU(ASCII) networks. This bus coupler features 8 digital inputs and 4 digital outputs, each operating at 24 V DC with a maximum output current of 500 mA per channel. The unit is engineered to support up to 61 devices, including 8 Parameter Channel Protocol (PCP) devices, making it an ideal choice for complex automation systems.
With a compact design width of 80 mm and a height of 119.8 mm, the Phoenix Contact 2878696 is suitable for space-constrained applications. It is built to withstand a wide range of operating conditions, including ambient temperatures from -25 °C to 60 °C and humidity levels from 10% to 95%, in accordance with DIN EN 61131-2 standards. The unit also meets IP20 protection standards, ensuring durability and longevity in various industrial environments.
The bus coupler is equipped with a D-SUB-9 female connector for Modbus/RTU communication, supporting transmission speeds from 1.2 kBit/s to 115.2 kBit/s. Additionally, it features an Inline local bus connection with automatic detection of transmission speeds between 500 kBit/s and 2 MBit/s. The power supply for the module electronics is facilitated through a 24 V DC Inline connector, with a supply voltage range of 19.2 V DC to 30 V DC, accommodating all tolerances and ripple.
Phoenix Contact's 2878696 Bus Coupler is recognised for its robust performance and compliance with various international standards, including UL, cUL, and EAC. It is also approved for use in shipbuilding applications, further highlighting its versatility and reliability. This bus coupler is an excellent choice for engineers and system integrators seeking a dependable solution for their Modbus/RTU(ASCII) network requirements.