Siemens 505-2557 Manual Do Utilizador
Advanced Function Programming
3-26
SIMATIC 505–2557 Installation and Operation Guide
Troubleshooting (continued)
Table 3-10
Troubleshooting Flow Diagram
Symptom
Probable Cause
Corrective Action
Wrong values
Not logged in
Login to controller
Not logged in correctly
Verify log-in
No functions working
Ladder program did not
execute
execute
Debug ladder program.
Verify V-memory tables.
Verify V-memory tables.
No functions working
Offsets incorrect
Calculate offsets starting
address
address
Functions never enabled
Edit ladder program to
enable function after
loading data
enable function after
loading data