Desigo™ Automation station PXC4.E16 For the control of primary plants • Compact automation station for HVAC and building control systems, freely programmable using graphical programming interface • Communication BACnet/IP • 2-port Ethernet switch for low-cost cabling • 16 inputs/outputs: 12 universal inputs/outputs, 4 relay outputs Extendable to 40 inputs/outputs via I/O modules TXM... • Integration of Modbus data points via RTU and / or TCP • WLAN interface for engineering and commissioning • Operating voltage AC 24 V • Mounted on standard rails or on the wall • Plug-in screw terminal blocks Smart Infrastructure

Automation station for HVAC and building control systems. • System functions (alarming, scheduling, trending, access protection with individually definable user profiles and categories) • Freely programmable (close resemblance to CEN standard 11312). All function blocks, available in libraries, can be graphically connected. • Engineering and commissioning with the ABT Site Tool using graphical function charts • BACnet communication, in compliance with the BACnet standard including B-BC profile (Rev. 1.15) • Generic object viewer for device local data points via an embedded web-based interface...

System controller Description Technical and mechanical design The compact build allows for mounting the devices on a standard rail or a wall. 2-port Ethernet switch with 2 LEDs per port for display purposes Plug-in terminal block with screw terminals KNX, PL-link, for future use Plug-in terminal block with screw terminals Power supply Plug-in terminal blocks with screw terminals Universal inputs/outputs, field device supply Connector for I/O modules TXM Plug-in terminal block with screw terminals Relay outputs Plug-in terminal block with screw terminals COM, Modbus RTU DIP switch for bus termination...

Color Activity Device not operational Start-up or program halted Continuously OFF Continuously ON Rapid flashing OK HW or SW fault Firmware or application missing/corrupted Connection to the cloud OK No connection to the cloud Communication No communication to subsystem Flashing per wink command Service button Identification of the device after receipt of wink command Steady OFF Steady ON Flashing WLAN inactive WLAN active and at least one WLAN client connected WLAN active and no WLAN client connected Short press (< 1 s) Long press (> 3 s) Identification in the network Enable / disable WLAN WLAN...

Safety A CAUTION National safety regulations Failure to comply with national safety regulations may result in personal injury and property damage. • Observe national provisions and comply with the appropriate safety regulations. • This equipment is intended only for use in a restricted access area (lockable cabinet) • This equipment is not suitable for use in locations where children are likely to be present. • Conductors with a cross-section of 0.5 mm2 (AWG24) or greater shall comply with the requirements of IEC 60332-1-2 and IEC 60332-1-3 or IEC TS 60695-11-21. Mounting position and ambient...

Technical data Power supply Power consumption (for transformer planning) Data backup in the event of power failure Energy reserve (supercap) to support real-time clock (7 days). Data available if stored to flash memory. Occurs every 5 minutes. Siemens Schweiz AG Smart Infrastructure

Screw terminals, plug-in Ethernet interface WLAN interface _ 7 Siemens Schweiz AG Smart Infrastructure

Siemens Schweiz AG Smart Infrastructure

Siemens Schweiz AG Smart Infrastructure

Ambient conditions and protection classification 1 Documents can be downloaded at http://siemens.com/bt/download. FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee...

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must accept any interference received, including interference that may cause undesired operation FCC Caution: Changes or modifications not expressly approved by Siemens Switzerland Ltd. could void the user’s authority to operate the equipment. United...

Wiring lines for field devices Wiring length max. 300 m (1,000 ft), CU wire or CU strand. Cross-section depending on the signal 30 m (100 ft) applies for signal types AI NTC10K and AI NTC100K or 80 m (260 ft) with shielding Examples of connection diagrams for universal inputs/outputs Count inputs: Analog inputs Counter inputs, that count faster than 1 Hz and are laid with more than 10 meters using analog inputs in the same cable duct, must be shielded. Temperature sensor LG-Ni 1000 Temperature sensor, general Resistance transmitter Active sensor powered by the automation station Active sensor...

Analog outputs Device with input DC 0...10 V General device with control input DC 0...10 V, Powered by the automation station General device with control input DC 0...10 V, Do NOT ground external power (ground loops) Warranty Technical data on specific applications are valid only together with Siemens products listed under "Equipment combinations". Siemens rejects any and all warranties in the event that third-party products are used. Siemens Schweiz AG Smart Infrastructure

Issued by Siemens Switzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug Tel. +41 58 724 2424 www.siemens.com/buildingtechnologies 14 Siemens Schweiz AG Smart Infrastructure Document ID A6V11646018_en--_b Edition © Siemens Switzerland Ltd, 2020 Technical specifications and availability subject to change without notice.