Siemens WZU-485E-BACnet module RS-485 (MS/TP)

Immediately available

Siemens WZU-485E-BACnet module RS-485 (MS/TP)

Immediately available

Brand: Siemens

Product type: Bacnet Module

WZU-485E-BAC is an add-on communication module for the following types of meters: T550 (UH50…) (firmware 5.15 and higher) and T550 (UC50…). The module is intended and preconfigured for data transmission using the BACnet MS/TP (RS485) protocol.

Product information "Siemens WZU-485E-BACnet module RS-485 (MS/TP)"

Siemens unveils the UH50 Energy Meter Modules, revolutionizing flow and energy measurement in hydronic heating and refrigerant circuits. These ultrasonic meters offer:

  • Versatile Configurations: Measure heat, cooling energy, or both with automatic changeover.
  • Maintenance-Free Design: Ultrasonic technology means no moving parts, ensuring durability with minimal upkeep.
  • Precision and Compliance: Meet EN 1434 and MID accuracy class 2 standards for reliable measurements.
  • Flexible Installation: Mount horizontally or vertically for seamless integration into systems.
  • Wide Flow Range: Adapt to various applications with a measuring range of 1:100 per EN 1434.
  • Communication Options: Choose communication modules and power supplies tailored to your needs.
  • Optical Interface: Easily read and configure data onsite or remotely with EN 62056-21 compliant interface.
  • Built-in Self-Diagnostics: Continuous monitoring detects potential errors for quick troubleshooting.

Technical specification

BACnet module WZU-485E-BAC
Communication protocol BACnet MS/TP (RS-485) per ASHRAE 135 and ISO 16484-5
Supported services BACnet Application Specific Controller (B-ASC), BACnet Master Mode
BACnetTM address range 1 … 127
Transmission rate 9600 to 76800 bps
Default: 38400 bps
Standby: 60 min.
Data update Operating: After each query, max. every 10 seconds
HW network connection Protected against short overload
RS-485 terminating resistance Use external resistance (=> 120 Ω)
Alternating current AC 16 … 28 V
Direct current DC 10 … 32 V
Power consumption < 50 mA (typically < 20 mA at 24 V)
Recommended fusing 100 mA, slow
Galvanic isolation
From master Yes
From the RS-485 Network No

Downloads

Datasheet
Ultrasonic heat and cooling energy meters UH50..
Operating Instructions
BACnet_Module

 

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