Siemens SIMATIC S5-115F User Manual

S5-115F Manual System Startup
”RUN” Mode
• All input and output modules are enabled before the start of cyclical program scanning.
• The program is scanned cyclically.
• The two subunits are synchronized.
• Timers that were started in the program run down.
• Input module signal states are read in, exchanged and compared.
• Output modules are addressed.
• S5-115F self-test runs (organized in time slices).
”STOP” mode, large Stop loop
• The program is not scanned.
• The two subunits are synchronized.
• The values of the timers, counters, flags, and process images that were current when the CPU
went into the ”STOP” state are maintained.
• Digital output modules are disabled (signal state ”0”). The “BASP” LED lights up.
• An S5-115F self-test runs (organized in time slices).
• Use of the programmer and SINEC L1 transfers are possible.
• Mode change possible.
STOP mode, lesser Stop loop
(activated if serious errors are detected)
• The program is not scanned.
• The subunits are not synchronized.
• The values of timers, counters, flags and process images are maintained.
• Digital output modules are disabled. The ”BASP” LED lights up.
• The self-test no longer runs.
• SINEC L1 transfers are no longer processed. Programmer operation is restricted to reading out
error DBs.
• Mode changes are no longer possible.
EWA 4NEB 811 6148-02 4-5

Siemens SIMATIC S5-115F Specifications

General

Brand	Siemens
Model	SIMATIC S5-115F
Category	Controller
Language	English