Title: 36 Siemens GDB181-MO.pdf.pdf
VAV Compact Controller Modbus RTUA6V10631862_en--_d 2019-09-13ParameterizationVariable air volume control (VAV)Siemens Smart Infrastructure6Parameterization and operating modes6.1 Settings and user interaction 6.1.1 Device parametersThe OEM generally provides the basic configuration to VAV Compact Controllers, esp. the parameter Vn. The basic configuration is independent of the system environment where the VAV Compact Controllers are to be used.For parameter setting, configuration and maintenance tools as described in section 6.2 are available. The following parameters must be checked or set prior to commissioning. Settings and changes have to be documented in the plant documentation.ParameterRangeDescriptionFactory settingOperating modeVAV (flow ctrl.) / POS (position ctrl.)Interpretation of setpointVAV = Setpoint commands volume flow [%]POS = setpoint commands damper position [%]VAVOpening directionCW (R) / CCW (L)Opening direction of air damperCW (R)