Figures
5-1. Control Bit Display (SD 5, 6, 7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 2
5-2. Interrupt Stack Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 2
5-3. Structured Program with Illegal Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 5
5-4. Addresses in the CPU Program Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 6
5-5. Program Trace with the ”BSTACK” Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 7
5-6. ”BSTACK” Display on a PG 675 Programmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 8
5-7. Error DB 2, 3: Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 14
5-8. Screen Display in COM 115F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 16
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Tables
5-1. Mnemonics for Control Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 3
5-2. Meaning of the ISTACK Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 4
5-3. Meaning of the Error LEDs on the CPUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 5
5-4. CPU System Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 9
5-5. Assignment of the Error Record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 10
5-6. Error-Detecting Programs of the Operating System . . . . . . . . . . . . . . . . . . . . . . .5 - 11
5-7. Operating System Central Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 13
5-8. Integrated Standard FBs which Generate 115F Operating System
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 13
5-9. Types of Errors which Can Be Interpreted by COM 115F . . . . . . . . . . . . . . . . . . .5 - 17
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