
Product Description
PXC5.E003
Siemens BPZ Series Controller, Digital, 24 V ac
Ideal for integrating diverse building automation networks
1.system controller to integrate BACnet MS/TP, Modbus, and KNX PL-Link devices
2. Built-in 2-port Ethernet switch (BACnet/IP, BACnet/SC)
3.Supports up to 500 Modbus points, 60 BACnet MS/TP devices, and 64 KNX PL-Link devices
Manuals
144 × 124 × 71 mm
Siemens PXC5.E003 Desigo PX System Controller BACnet Modbus KNX
it is a Desigo PX system controller designed for building automation, HVAC control, and integration of field-level devices. It supports integration of BACnet MS/TP, Modbus, and KNX PL-Link devices, while providing network communication through BACnet/IP and BACnet Secure Connect for secure building automation connectivity.
The controller includes a built-in 2-port Ethernet switch for efficient network cabling and flexible system architecture. Its configurable communication interfaces can be used for M-bus, Modbus RTU, or BACnet MS/TP depending on project requirements. It also supports key system functions such as alarming, scheduling, trending, and access protection for connected building systems.
This Siemens Desigo controller is commonly used in BMS systems, HVAC plants, commercial buildings, industrial facilities, third-party device integration, control rooms, and smart building projects that require reliable BACnet, Modbus, and KNX integration within the Siemens Desigo platform.
Siemens PXC5.E003, Desigo PX controller, system controller, BACnet controller, BACnet/IP, BACnet MS/TP, Modbus controller, KNX PL-Link, BMS controller, building automation components




