beautypg.com

Profibus interface center, Spc3 – Siemens SPC3 User Manual

Page 56

background image

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