XXXXXXXX Basal schedule rounding difference PDM Loop

Starting Basal 1.0U/h 24hours

Matching starting basal

PDM=Computer time example

     Time                    1a LL NNNNNNNN 00 CCCC HH SSSS PPPP napp napp napp 13 LL RR MM NNNN XXXXXXXX YYYY ZZZZZZZZ
PDM  2018-11-25T13:52:45.789 1a 12 51d99b84 00 02b2 1b 0da8 0002 f00a f00a f00a 13 0e 00 00 07e9 003d0900 12c0 0112a880 
Loop 2018-11-25 13:52:45.306 1a 12 51d99b84 00 02b2 1b 0da8 0002 f00a f00a f00a 13 0e 00 00 07e9 0049217e 12c0 0112a880

PDM and Loop same timing start basal schedule XXXXXXXX difference:

SSSS Loop = SSSS PDM

XXXXXXXX PDM  = 003d0900 = 4.000.000
XXXXXXXX Loop = 0049217e = 4.792.702 0.792.700 diff.

Other tried start Basal timings

PDM= -1 second Computer time

A - 8 seconds offset

     Time                    1a LL NNNNNNNN 00 CCCC HH SSSS PPPP napp napp napp 13 LL RR MM NNNN XXXXXXXX YYYY ZZZZZZZZ
PDM  2018-11-25T12:30:27.270 1a 12 6ddc8991 00 02a1 19 3768 0009 f00a f00a f00a 13 0e 40 00 08fb 00895440 12c0 0112a880
Loop 2018-11-25 12:30:38.244 1a 12 564c20bd 00 0259 19 3720 0009 f00a f00a f00a 13 0e 00 00 08fb 0002101b 12c0 0112a880

SSSS PDM  = 0x3768 = 14184 dec / 8 seconds = 1773 seconds = 29:33 (PDM is 1 second earlier then computer time)
SSSS Loop = 0x3720 = 14112 dec / 8 seconds = 1764 seconds = 29:24 -> 8 seconds earlier then PDM.

XXXXXXXX PDM  = 00895440 = 9.000.000 (1 second earlier)
XXXXXXXX Loop = 0002101b = 0.135.195 9.135.195 diff?

B - 1,6 second offset

     Time                    1a LL NNNNNNNN 00 CCCC HH SSSS PPPP napp napp napp 13 LL RR MM NNNN XXXXXXXX YYYY ZZZZZZZZ
PDM  2018-11-25T12:56:40.661 1a 12 fecbd4d8 00 0240 19 0640 0001 f00a f00a f00a 13 0e 40 00 08a4 001e8480 12c0 0112a880
Loop 2018-11-25 12:56:39.094 1a 12 e80da64b 00 0260 19 0660 0001 f00a f00a f00a 13 0e 00 00 08a4 0054ce7e 12c0 0112a880

SSSS PDM  = 0640 = 1600 = 1600 / 8 = 200 3:20
SSSS Loop = 0660 = 1632 = 1632 / 8 = 204 3:24 4 seconds more difference

XXXXXXXX PDM  = 001e8480 = 2.000.000 same time 
XXXXXXXX Loop = 0054ce7e = 5.557.886 3.557.886 diff.

C - 2,3 seconds offset

     Time                    1a LL NNNNNNNN 00 CCCC HH SSSS PPPP napp napp napp 13 LL RR MM NNNN XXXXXXXX YYYY ZZZZZZZZ
PDM  2018-11-25T13:00:15.308 1a 12 936ccfcf 00 0303 1a 37c8 000a f00a f00a f00a 13 0e 40 00 0898 002dc6c0 12c0 0112a880 
Loop 2018-11-25 13:00:12.949 1a 12 b935d55f 00 0323 1a 37e8 000a f00a f00a f00a 13 0e 00 00 0898 00699e63 12c0 0112a880

SSSS PDM  = 37c8 = 14280 / 8 = 1785 = 29:45  
SSSS Loop = 37e8 = 14312 / 8 = 1789  = 29:49  4 seconds more difference

XXXXXXXX PDM  = 002dc6c0 = 3.000.000
XXXXXXXX Loop = 00699e63 = 6.921.827 -> 3.821.827 diff.

D - 2,2 seconds offset

     Time                    1a LL NNNNNNNN 00 CCCC HH SSSS PPPP napp napp napp 13 LL RR MM NNNN XXXXXXXX YYYY ZZZZZZZZ
PDM  2018-11-25T13:22:36.184 1a 12 7b60d722 00 02f9 1a 0df0 0002 f00a f00a f00a 13 0e 40 00 080f 81c26ff3 0f81 c26f8605
Loop 2018-11-25 13:22:33.986 1a 12 b5dda02f 00 020a 1a 0e00 0002 f00a f00a f00a 13 0e 00 00 084d 00f6059e 12c0 0112a880

SSSS PDM  = 0df0 = 3568 / 8 = 446 =   7:26  
SSSS Loop = 0e00 = 3584 / 8 = 448  =  7:28  2 seconds more difference

XXXXXXXX PDM  = 81c26ff3 = 2.177.003.507 // Probably an rtlomni recording error: the 81 is part of the YYYY 0f81
XXXXXXXX Loop = 00f6059e =    16.123.294 -> ...not valid PDM recording.

E - 2,2 seconds offset

     Time                    1a LL NNNNNNNN 00 CCCC HH SSSS PPPP napp napp napp 13 LL RR MM NNNN XXXXXXXX YYYY ZZZZZZZZ
PDM  2018-11-25T14:33:06.085 1a 12 51d58c75 00 02b0 1d 3278 0009 f00a f00a f00a 13 0e 40 00 0762 00c65d40 12c0 0112a880
Loop 2018-11-25 14:33:03.868 1a 12 6ea6796d 00 02c8 1d 3290 0009 f00a f00a f00a 13 0e 00 00 0762 00f0ddba 12c0 0112a880

XXXXXXXX PDM = 00c65d40 = 13.000.000 XXXXXXX