R-INSTRUKTION 087R2121 - Siemens

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Infocal 5 Communication Description Version 2.00 8. Timing Requirements and Recommendations 8.1. Transmission with success Time axis REQUEST address = n T PROT T D ≤ t ≤ T R RESPOND address = n T PROT REQUEST address n T PROT 8.2. Transmission with failure; in requesting direction I = 0 REQUEST address = n I = I + 1 Time axis T PROT no I = 3 error t > T R yes t ≥ T LI REQUEST address n I = I + 1 T PROT 28
Infocal 5 Communication Description Version 2.00 8.3. Transmission with failure; in answering direction 8.4. Key to 8.1, 8.2 og 8.3 t D i 11 t BIT (delay time) number of tries 300 Baud 600 Baud 1200 Baud 2400 Baud 36,7 msec 18,3 msec 9,17 msec 4,58 msec t BIT 1 / Baud rate [s] 3,33 msec 1,67 msec 833 µsec 417 µsec 1 char 11 t BIT (character time length) t PROT (number of frame characters) * 11 t BIT (frame length) t R 50 ms + 30 * 11 t BIT (reaction time) t FBA (actual frame length in characters) * 11 t LI t BIT 3 * 11 t BIT (line idle) 36,7 msec 18,3 msec 9,17 msec 4,58 msec (number of frame characters) * 36,7 msec (number of frame characters) * 18,3 msec (number of frame characters) * 9,17 msec (number of frame characters) * 4,58 msec 1,15 sec 0,60 sec 0,325 sec 0,1875 sec (actual frame length in characters) * 36,7 msec (actual frame length in characters) * 18,3 msec (actual frame length in characters) * 9,17 msec (actual frame length in characters) * 4,58 msec 110 msec 55 msec 27,5 msec 13,8 msec 29
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R-INSTRUKTION 087R2121 - Siemens

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