ISPSoft User Manual 10.2.6 Inserting a Block Logic Instruction If users want to take the operation result of a block as a condition of a rising edge-triggered circuit, they traditionally have to create two networks in a ladder diagram. However, the users can combine the two networks by means of using a block logic instruction. * Please refer to AH/AS Programming Manual or section 7.3.2 for more information about FB_NP and FB_PN.
10-20 Icon Instruction Function AH/AS DVP AS5xx/ DVPxxMC POU FB PO FB POU FB NP When the block preceding this block logic instruction is tuned from OFF to ON, the PN When the block preceding this block logic instruction is turned form ON to OFF, the INV Invert the preceding block logic status and output. FB NP _ The function is similar to NP, users need to specify a register device or variables. Support ES3 FB PN _ The function is similar to PN, users need to specify a register device or variables. Support ES3