Design, Functions and Operation S5-95F
Test Mode
If no
EPROM submodule
is plugged in, the S5-95F is automatically in the test mode. Via the
programmer you transfer the control program directly into the internal RAM of the S5-95F.
The test mode is used only to test the control program. You can use all programmer functions
without any restrictions.
Self-test routine in test mode
In the STARTUP mode, the S55-95F skips the execution of the self-test. In the RUN mode, it
executes the self-test in test slices. The operating system of the S5-95F ensures that all test slices
are executed once within one hour.
Switching the S5-95F to Test Mode
Prerequisites:
• The ON/OFF switches of both basic units are in the "0" position
• The RUN/STOP switches of both basic units are in the STOP position
•
No EPROM submodules
are plugged into the two basic units
Table 2-4. Switching to Test Mode
Step Procedure S5-95F Reaction
1 Switch on the power supply of both
subunits
Set ON/OFF switch to "I"
The subunits are synchronized.
Both STOP LEDs flicker for approx. 20 s;
afterwards, both STOP LEDs show
steady light.
2 Switch the system to RUN
Set the RUN/STOP switch of subunit
A to RUN
Set the RUN/STOP switch of subunit
B to RUN (within 30 min.)
Subunit A:
STOP LED on, RUN LED flashing
Subunit B:
STOP LED on
STOP and RUN LEDs in both subunits
light up briefly; afterwards both RUN
LEDs show steady light.
System is in test mode.
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2-14
EWA 4NEB 812 6210-02
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