Run Controller Diagnostics; Programming Eeproms - Siemens SIMATIC 505 User Manual

118 • • • • 6 - Programming
appears: Set the loop processor to program mode? Select
either YES or NO.
Halt places the loop card in HOLD mode; enabled control blocks are
being queued to run, but are not running. Upon returning to RUN mode,
execution resumes where it was halted.
1. To select LOOP HALT mode, Click on the Halt button on the
PLC Operations dialog box. The following message appears:
Set the loop processor to halt mode? Select either YES or
NO.
Run places the loop card in the RUN mode; enabled control blocks are
being queued and are running.
1. To select LOOP RUN mode, Click on the Run button on the
PLC Operations dialog box. The following message appears:
Set the loop processor to run mode? Select either YES or
NO.
The loop mode can either follow that of the discrete CPU or be in RUN
mode independent of the ladder program. To invoke this option, select
the LOCKED or UNLOCKED field.
•
Unlock frees the loop card for selection of RUN operating
mode independent of the ladder CPU.
•
Lock locks the loop card to follow the operating mode selected
for ladders.
To select LOOP LOCK/UNLOCK mode:
1. Click on the Lock/Unlock button on the PLC Operations dialog
box. The following message appears, Lock or Unlock loop
processor from ladder operation mode? Select either YES or
NO.

Run Controller Diagnostics

Use Diagnostics to run diagnostics on your controller. To execute
Diagnostics:
1. Click Diagnostics from the PLC Operations dialog box.
2. When you receive the message, Execute Diagnostics? Select
either YES or NO.

Programming EEPROMS

To perform the following EEPROM tasks, your controller must be in
PROGRAM mode.
1. Copy the contents of RAM to EEPROM.
2. Copy the contents of EEPROM to RAM.
3. Erase the contents of EEPROM.
To execute the above EEPROMS tasks:
1. Click on one of the above EEPROM tasks from the PLC
Operations dialog box.
2. When you receive the message, Do you want to copy
EEPROM to RAM? Select either YES or NO.
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