Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

4. INTERFACE BETWEEN NC AND PMC B–62755EN/014.2.3Built–in DebugFunctionFunctionDisplay of sequence programDiagnostic functionSetting and displaying dataSequence program edit functionContentsDynamic display of ladder diagram Title data display signal status (symbol can be displayed) PMC alarm display Signal trace Memory contents display Signal waveform display Task status display (PMC–RC3/RC4 only) I/O connection status display Timer Counter Keep relay Data tableLadder diagram editing(This feature is integrated in PMC–RC3/RC4. ForRB5/RB6, a ladder edit module is required)4.2.4System Reserve Areaof Internal Relay(1)R9000 (Operation output register for the ADD, SUB, MULB, DIVB,and COMPB functional instructions)#7#6 #5 #4 #3 #2 #1 #0R9000V N ZOperation resultregisterZeroSign is minusOverflow(2)R9000 (Error output for the EXIN, WINDR, WINDW, MMCWR,MMCWW, MMC3R, and MMC3W functional instructions)R9000#7 #6 #5 #4 #3 #2 #1 #0The instructionended inerror.214