Delta AH500 Programming Manual page 106

Action
Number
number
Year
High byte
SR372
16 SR371
High byte
SR376
17 SR375
High byte
SR380
18 SR379
High byte
SR384
19 SR383
High byte
SR388
20 SR387
High byte
*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.
Function
Year
Month
Day
Hour
Minute
Second
9. The PLC operation flag
 SM400~SM403
SM400: The flag is always ON when CPU runs.
SM401: The flag is always OFF when CPU runs.
SM402: The flag is ON only at the first scan. The pulse width equals one scan time. Users
can use this contact to do the initial setting.
SM403: The flag is OFF only at the first scan. That is, the negative pulse is generated the
moment the PLC runs.
T he PLC r uns .
*Time when the PLC status change action occurs
Month Day
Low byte High byte
SR372 SR373
Low byte High byte
SR376 SR377
Low byte High byte
SR380 SR381
Low byte High byte
SR384 SR385
Low byte High byte
SR388 SR389
Low byte High byte
SM400
SM401
SM402
SM403
Scan ti me
Ch a pt er 2 De v ic es
Hour Minute
Low byte High byte
SR373 SR374
Low byte High byte
SR377 SR378
Low byte High byte
SR381 SR382
Low byte High byte
SR385 SR386
Low byte High byte
SR389 SR390
Low byte High byte
Value
00~99 (A.D.)
01~12
01~31
00~23
00~59
00~59
Second
Low byte
SR374
Low byte
SR378
Low byte
SR382
Low byte
SR386
Low byte
SR390
Low byte
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