AH500 Programming Manual *Time when the PLC status change action occurs: The data is stored as the values in the binary-coded decimal. The range of values is as follows. 9. The PLC operation flag SM400~SM403 SM400: The normally-open contact SM401: The normally-closed contact SM402: SM402 is ON during the first scan time, and then is switched OFF. The pulse width equals one scan time. Users can use this contact to do the initial setting. SM403: SM403 is OFF during the first scan time, and then is switched ON. That is, the negative pulse is generated the moment the PLC runs. The PLC runs.
SM400 SM401 SM402 SM403 Scan time 2-80 Action *Time when the PLC status change action occurs Number number Year Month Day Hour Minute Second SR363 SR364 High byte SR364 Low byte SR365 High byte SR365 Low byte SR366 High byte SR366 Low byte 14 SR367 SR368 High byte SR368 Low byte SR369 High byte SR369 Low byte SR370 High byte SR370 Low byte 15 SR371 SR372 High byte SR372 Low byte SR373 High byte SR373 Low byte SR374 High byte SR374 Low byte 16 SR375 SR376 High byte SR376 Low byte SR377 High byte SR377 Low byte SR378 High byte SR378 Low byte 17 SR379 SR380 High byte SR380 Low byte SR381 High byte SR381 Low byte SR382 High byte SR382 Low byte 18 SR383 SR384 High byte SR384 Low byte SR385 High byte SR385 Low byte SR386 High byte SR386 Low byte 19 SR387 SR388 High byte SR388 Low byte SR389 High byte SR389 Low byte SR390 High byte SR390 Low byte 20 Function Value Year 00~99 (A.D.) Month 01~12 Day 01~31 Hour 00~23 Minute 00~59 Second 00~59