4
System Startup
4.1
Operating Instructions
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4 - 1
4.1.1
Controls on the Power Supply Module and Central Processing Unit
4 - 1
4.1.2
Operating Modes
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4 - 4
4.1.3
CPU Operation in ”RUN” and ”STOP” Modes
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4.1.4
Cold Restart and Warm Restart
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4 - 8
4.1.5
Battery Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 - 13
4.1.6
Overall Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 - 13
4.1.7
Steps for System Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 - 14
4.2
Working with Input/Output Modules
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4.3
System Startup Procedure
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4 - 18
4.3.1
Safety Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 - 18
4.3.2
Checking a Plant or Controlled System before Startup
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EWA 4NEB 811 6148-02