ISPSoft User Manual (5) If the Address box is blank, the system will automatically assign a device address to the symbol. If users want to specify a device address, they can type the device address in the Address box, or specify the device address in the Refer Device window after they click the button at the right side of the Address box. Please refer to section 6.1.4 for more information. *1. When function block is selected for Type, the address column cannot be setup. *2. For bit operation supported model types, the device setting window has Bit Number column to input e.g. X0.0, D0.1. 6-26