444
Program Protection
Section 8-7
Operating Procedure
1,2,3...
1.
Right-click the tasks that will be password-protected, select Properties
from the pop-up menu, and select the Task read protect Option on the Pro-
tection Tab Page.
2.
Display the Protection Tab of the PLC Properties Dialog Box and register
a password in the Task read protection Box.
3.
Connect online and select PLC - Transfer - To PLC to transfer the pro-
gram. The tasks registered in step 2 will be password-protected.
Note
The program can be transferred after step 1, above, and then pass-
word protection be set by selecting PLC - Protection - Set Pass-
word. The tasks registered in step 1 will be password-protected.
Usage
Apply read protection to tasks when you want to convert those task programs
to “black box” programs.
END
END
END
Task 0
Task 1
Task 2
Password applied.
Task converted to "black box."
Accessible
Not accessible
Accessible
Summary of Contents for CP1L-EL20DR-D
Page 3: ...CP1L EL20D CP1L EM30D CP1L EM40D CP1L EL EM CPU Unit Operation Manual Produced July 2017...
Page 4: ...iv...
Page 10: ...x...
Page 22: ...xxii...
Page 34: ...xxxiv Software Licenses and Copyrights 7...
Page 192: ...158 Trial Operation and Debugging Section 5 3...
Page 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
Page 666: ...632 Trouble Shooting Section 11 7...
Page 696: ...662 Standard Models Appendix A...
Page 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Page 836: ...802 PLC Setup Appendix G...
Page 838: ...804 TCP Status Transitions Appendix H...
Page 840: ...806 Ethernet Network Parameters Appendix I...
Page 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Page 844: ...810 Ethernet Specifications Appendix K...
Page 851: ...Index 817 work words 118 write protection 447...
Page 852: ...818 Index...
Page 854: ...820 Revision History...
Page 855: ......