Siemens SPC3 - Manual (Page 56)

PROFIBUS Interface Center SPC3
Page 54 V1.3 SPC3 Hardware Description
2003/04 Copyright (C) Siemens AG 2003. All rights reserved.
8.5.6 Serial Bus Interface
No. Parameter MIN MAX Unit
Pulse 48 MHz:
1 RTS
↑
to TxD Setup Time 4T
2 RTS
↓
to TxD Hold Token 4T
T =
Clock pulse cycle (48MHz)
RTS
TxD
1 2