2 Connecting to SIEMENS PLCs Precautions for Correct Use Precautions for Correct Use • If you use the Data block, the data type of the NB and the PLC should be the same. For instance, if the Data type of the PLC is REAL, the storing data type of the numeric input com- ponent should be Float. • When you define the Data block, secure the larger area than the one used for the NB. For instance, in order to use DB5.DBW32 in the NB, you need to secure DB5.DBW34 or later for the PLC. • If you use the data block, do not check the check box, [Properties] - [Attributes] - [Only store in load memory]. 2-26 NB-series Programmable Terminals Host Connection Manual (V108)