Title: 36 Siemens GDB181-MO.pdf.pdf
(A6V10631836)[4] AST20 - Handheld tool for VAV Compact Controller - Manual (A6V10555077) [5] AST22 - Interface converter (A6V11236956) [6] ACS931 - PC-Software for OEM - Datasheet (N5853) [7] ACS941 - PC-Software for Service - Datasheet (N5854) [8] Modbus over serial line - Specification and Implementation Guide(www.modbus.org)5 / 40VAV Compact Controller Modbus RTUA6V10631862_en--_d 2019-09-13VAV Compact Controller Modbus RTUTools for commissioning and serviceAccessories6 / 40Siemens Smart Infrastructure2 2.1 2.1.1Device Type summary Device variants, tools and accessoriesGDB181.1E/MO (5 Nm)GLB181.1E/MO (10 Nm)AST20ACS931 / ACS941The handheld tool AST20 can be used for status monitoring, VAV parameter setting, and bus configuration setting.The PC software for service ACS941 can be used for setting and reading a certain set of device parameters (values set by OEM and current configuration, and actual values).