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Siemens OpenAir G..B181.1E/KN Series Technical Basics

Vav compact controller knx/pl-link
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OpenAir
VAV compact controller KNX/PL-Link G..B181.1E/KN
Technical Basics
CE1P3547en
2017-03-23
Building Technologies

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  Summary of Contents for Siemens OpenAir G..B181.1E/KN Series

  • Page 1 OpenAir VAV compact controller KNX/PL-Link G..B181.1E/KN Technical Basics CE1P3547en Building Technologies 2017-03-23...
  • Page 2 Building Technologies Division International Headquarters Gubelstrasse 22 6301 Zug Switzerland Tel. +41 41-724 24 24 © Siemens Switzerland Ltd, 2017 Technical specifications and availability subject to change without notice. www.siemens.com/buildingtechnologies 2 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en...
  • Page 3: Table Of Contents

    5.3.3 Min/max control by the VAV compact controller ........28 5.3.4 Master/Slave operating mode .............. 30 Engineering and commissioning ............32 Fundamentals ..................32 6.1.1 System environments ................32 3/44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 4 Parameters and datapoints ............... 41 Parameter description ................41 Device parameters (ACS931 / ACS941 / AST20) ......... 42 Parameters for engineering tools ............42 S-mode datapoints................43 Environmental compatibility and disposal ........44 4/44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 5: Introduction

    (e.g. by use of symbols such as ® or ™). 1.2.2 Copyright This document may be duplicated and distributed only with the express permission of Siemens, and may be passed only to authorized persons or companies with the required technical knowledge. 1.2.3 Quality assurance These documents were prepared with great care.
  • Page 6: Objectives Of This Basic Documentation

    Siemens assumes no liability to the extent allowed under the law for any losses resulting from a failure to comply with the aforementioned points or for the improper compliance of the same.
  • Page 7: References

    [13] Synco Communication over KNX Bus – Basic documentation (P3127) [14] Synco 700 Universal controller RMU710B, RMU720B, RMU730B (P3150) [15] Synco planning and commissioning protocol V2.6 (C3127) [16] Synco KNX S-Mode datapoints (Y3110) 7/44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 8: Device

    (values set by OEM and current configuration, and actual values), cf. section 9.2. For connecting to a PC with RS232 interface, an interface converter AST11 is required. Datasheet: N5852 8 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 9 The app can be obtained free of charge at [7] resp. [8] Accessories For information regarding accessories and spare parts for VAV compact controllers, please refer to datasheet N4698. 9 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 10: Selection Guide For All Types

    GBB136.1E (25 Nm) GLB136.1E (35 Nm) ASV181.1E/3 with 3P actuator GEB131.1E (15 Nm) GBB131.1E (25 Nm) GLB131.1E (35 Nm) GLB181.1E/3 Actuator >5 Nm 10 Nm GDB181.1E/3 5 Nm 10 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 11: Version Summary

    Production period 10/2011 – 03/2014 03/2014 – 01/2017 01/2017 FW version 4.16 4.18 4.24 ETS profile v1.x supported supported supported ETS profile v2.x not supported not supported supported 11 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 12: Design And Device Parts

    VAV compact controller is disconnected from the power supply. disengagement Dimensions min. 100 3547M01 Ø 3...8 8 - 16 mm 12.8 mm min. 80 15 mm Measures in mm 12 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 13: Human-Machine Interface

    Press push button > 20s ƒ LED flashes orange Device restarts ƒ All parameters which can be set by the OEM are reset to the OEM default values. 13 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 14: Internal Diagrams

    SELV or PELV. ∂ Safety transformers with twofold insulation as per EN 61558 required; they must be designed to be on 100 % of the time. 14 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies...
  • Page 15: Measuring Principle

    Assume that a VAV box is designed for a nominal pressure of Δp = 120 Pa. Then, has to be set to 1.58: 1.58 < < < 15 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 16: Functionality / Application

    VAV compact controllers are primarily used for controlling a variable or constant air volume flow. System environments: ∂ Building automation systems using the Siemens peripheral bus PL-Link (Desigo Total Room Automation) ∂ Building automation systems using KNX LTE-mode (Synco 700 Series C and newer) ∂...
  • Page 17: Application Examples

    5.3, constant, positive or negative pressure in a zone or a room can be achieved. Legend: N1 Room unit with temp. sensor N2 VAV compact controllers (supply air / extract air) 17 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 18: Application Example 3: Ahu Optimization

    For a detailed explanation of this application in a Synco 700 system, please refer to [14], chapter 23. For a detailed explanation of this application in a Desigo PL-Link system, please refer to [10]. 18 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies...
  • Page 19: Further Application Examples

    In HVAC Integrated Tool (HIT), application examples can be found for the use with room thermostats RDG400KN or RDF341. Navigate to www.siemens.com/hit ⇓ HIT Start Center ⇓ Applications ⇓ Individual Rooms ⇓ “Preferred controller” / “Range”: select “RDG/RDF” in dropdown list and “Operating voltage”...
  • Page 20: Electrical And Mechanical Installation

    Connection of PC tool ACS931 / ACS941 to G..B181.1E/KN maintenance interface AST11 PC (with ACS931 or ACS941) G..B181.1E/KN Strain release strip Connection of handheld tool AST20 to G..B181.1E/KN AST20 G..B181.1E/KN 20 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 21: Electrical Installation / Cabling

    (ΧU/2U = 4 %) on line length L as per the above table and the basic diagram. P is the decisive power consumption of all actuators connected in parallel. ΧU/2 Basic diagram: Voltage drop on the supply lines U,ΧU ΧU/2 21 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 22: Bus Cabling

    Instructions regarding topology and addressing in KNX networks can be found in the documents [13] and [16]. The following sections presuppose electrical installations that conform to the KNX-TP1 standard 22 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies...
  • Page 23 VAV Compact Controllers operate in VAV mode when connected to the specified control (VAV) power supply. The setpoint signal determines the operating range … Vmin [%] Vmax [%] Setpoint Actual value Control range 23 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 24 Ζ ∴ Differential pressure as Ζ ∴ ∑ ⌡ ∋ Χ < < √ Ζ ∴ Ζ ∴   function of actual value √   24 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 25 The AST20 is designed for portable use on-site. Power supply and establishing the communication between AST20 and a VAV Compact Controller are realized with one of the connection cables which are shipped with the AST20. 25 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies...
  • Page 26: Setting Examples

    20 % 80 % VAV compact controller 100 % 100 % Reference signal: = 35 % supply_air extract_air Result: = 35 % supply_air extract_air extract_ ai supply_ air 26 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 27 = 35 %, Y + 20 % = 55 % supply_air extract_air supply_air Result: = 35 %, V = 55 % supply_air extract_air extract_ ai supply_ air 27 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 28: Min/Max Control By The Vav Compact Controller

    VAV compact controller 20 % 80 % 20 % 80 % Reference signal: = 25 % supply_air extract_air Result: = 35 % supply_air extract_air extract_ ai supply_ air 28 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 29 Result: = 35 %, V = 55 % supply_air supply_air Supply air controller Extract air controller extract_ ai supply_ air Reference signal Reference signal supply_air extract_air 29 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 30: Master/Slave Operating Mode

    100 % 100 % VAV compact controller 20 % 80 % 100 % Reference signal: = 25 % master Result: = 35 % master slave master slave 30 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 31 VAV compact controller 20 % 80 % 20 % 120 % Reference signal: = 25 % master Result: = 35 %, V = 55 % master slave slave master 31 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 32: Engineering And Commissioning

    This procedure is essential for the recommended engineering and commissioning workflows below. If the label gets lost, the ID is printed on the device housing as well. 32 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 33: Engineering

    For KNX S-mode engineering, the required product data (*.vd5 or *.knxprod) have Obtaining the KNX product data to be downloaded from the Siemens website and imported into the ETS device catalog. To obtain the product data, navigate to www.siemens.com/hvac-td www.siemens.com/openair and locate the “Downloads”...
  • Page 34: Desigo Pl-Link / Desigo Pxc3

    The EI or the commissioning engineer (CE) can do a first testing with the SSA tool. 6. The CE can use the design data and Desigo XWP (ABT) to complete the commissioning. 34 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 35: Commissioning

    LED is green ⇓ connection test successful b) LED flashes red (1s – interval) ⇓ connection test failed Acknowledge Short key press LED is off connection test (<0.5 s) 35 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 36: Knx S-Mode Commissioning

    Configuration is uploaded from the automation station to the VAV compact controllers. ⇓ Optional: Middle key press for connection test (>2 sec and <20 sec). 36 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies...
  • Page 37: Safety And Emc Optimization

    ∂ Third-party regulations issued by general contractors or building operators Safety The electrical safety of building automation and control systems supplied by Siemens depends primarily on the use of extra low-voltage with safe isolation from mains voltage. SELV, PELV Depending on the type of extra low-voltage earthing, a distinction is to be made between SELV and PELV as per HD 384, “Electrical plants in buildings“:...
  • Page 38: Device-Specific Regulations

    Mechanical coupling of the devices is not permitted. Do not open the actuator! The device is maintenance-free. Only the manufacturer may carry out any repair Warning, work. maintenance 38 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 39: Notes On Emc Optimization

    In general, unshielded twisted pair cables for building services plant (including data lines) offer adequate EMC characteristics, plus the advantage that no provision is required for coupling to earth. 39 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies...
  • Page 40: Technical Data

    Drift ± 0.1 Pa / Year Max. permissible operating pressure 3000 Pa Max. permissible overload on one side 3000 Pa The documents can be downloaded from http://siemens.com/bt/download 40 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 41: Parameters And Datapoints

    VAV compact controller, cf. 6.2.2. 4) COV = Change of value 41 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 42: Device Parameters (Acs931 / Acs941 / Ast20)

    Volume flow VAV operating mode Position control control Outside air, Primary supply air, Type of air Outside air Supply air, Extract air Autonomous, Master/Slave Master, Autonomous Slave 42 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en Building Technologies 2017-03-23...
  • Page 43: S-Mode Datapoints

    “500%” in ETS5. The same applies for read-back values. For some group objects, alternative data point types (DPT) can be selected in ETS. The first entry indicates the default setting. 43 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en...
  • Page 44: Environmental Compatibility And Disposal

    Building Technologies Division International Headquarters Gubelstrasse 22 6301 Zug Switzerland Tel. +41 41-724 24 24 © Siemens Switzerland Ltd, 2017 Technical specifications and availability subject to change without notice. www.siemens.com/buildingtechnologies 44 / 44 Siemens VAV compact controller KNX/PL-Link G..B181.1E/KN CE1P3547en...

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