Siemens DTU3005-B - Manual (Page 31)

4
Creating Project Files—PLC to Devices
Siemens Energy & Automation, Inc. 27
4. Enter the value for the Command Block Read Delay.
This is the delay between times that the DTU3005
reads the data from the PLC’s command registers. This
controls the frequency that the registers are read to
allow for critical PLC scan times.
5. Select Save to save the device information to the
project file, and then select Ok or press Esc to exit the
device command registers screen. If at any time you
want to return to the last saved version of the device
command registers, select Revert without saving any
changes.
4.12 Saving the Project File
Now you have completed configuring the DTU3005 for PLC
to device communications. Select Save from the Project
menu and press Enter, or press F10 to save the project file
to disk. The next step is to transfer the project to the
DTU3005 unit. This topic is covered in Chapter 7.