AH500 Module Manual 5.1.11.4 Online Mode (1) Click Online Mode on the toolbar. (2) Double-click the module AH04PT-5A. (3) If some parameters are altered, users can click SV PV . The new setting values are written into the CPU module and the I/O module. If users want to read the present values in the I/O module, they can click Refresh . The present values in the I/O module are sent to ISPSoft, and are monitored. 5-22