Title: 36 Siemens GDB181-MO.pdf.pdf
à Registers 513, 514, 515 In case the communication to the controller is lost, the device can be configured to go into a defined state. This function utilizes a watchdog which monitors setpoint write access over the bus.Default setting of this backup mode is disabled, i.e. in case of a communication loss, the device controls indefinitely to the last received setpoint.If the backup mode is enabled, it can be configured as follows:go to a position predefined by the parameter “Backup position”keep current position without controlling to the last received setpoint.When the device is in backup mode and receives a setpoint over the bus again, it wakes up and performs control to the setpoint again.VAV Compact Controller Modbus RTUA6V10631862_en--_d 2019-09-13Siemens Smart InfrastructurePower-reset (turning operating voltage off and on) orby “ReInitDevice” command.Effect of restart: Device re-initializes and sets all process values to defaults.10.2.9 Reset behavior