Title: 36 Siemens GDB181-MO.pdf.pdf
Next to the PC software ACS941, an OEM version ACS931 ([6]) with extended functionality is available as well. ACS931 allows setting the parameter Vn.6.2.2 Handheld tool AST20Using the handheld tool AST20, VAV and Modbus RTU parameters can be set or retrieved. Instructions for use of the handheld tool AST20 can be found in data sheet [3] and in the manual [4].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 a 3-core connection cable.21 / 40VAV Compact Controller Modbus RTUA6V10631862_en--_d 2019-09-13Legend to the setting examplesSetting example A122 / 40Siemens Smart Infrastructure6.3 Setting examples 6.3.1 Symbols and parametersV&) and without point (V) shall have the sameVolume symbols with “point” ( meaning, i.e., they all shall refer to volume flows.V& minV& maxV& V&supply_ airVolume flow [%]Minimum volume flow [%]Maximum volume flow [%]