SPC3

PROFIBUS Interface Center

 

 

 

 

 

 

3Pin Description

The SPC3 has a 44-pin PQFP housing with the following signals:

Pin

Signal Name

In/Out

Description

 

 

 

Source / Destination

 

 

 

 

 

 

 

1

XCS

Chip-Select

C32 Mode: place on VDD.

 

 

 

 

 

C165 Mode: CS-Signal

 

CPU (80C165)

2

XWR/E_Clock

Write signal /EI_Clock for Motorola

 

CPU

3

DIVIDER

Setting the scaler factor for CLK2OUT2/4.

 

 

 

 

 

low potential means divided through 4

 

 

4

XRD/R_W

Read signal / Read_Write for Motorola

 

CPU

5

CLK

I(TS)

Clock pulse input

 

 

 

System

6

VSS

 

 

 

 

 

 

7

CLKOUT2/4

O

Clock pulse divided by 2 or 4

 

System, CPU

8

XINT/MOT

<log> 0 = Intel interface

 

System

 

 

 

<log> 1 = Motorola interface

 

 

9

X/INT

O

Interrupt

 

 

 

CPU, Interrupt-Contr.

10

AB10

I(CPD)

Address bus

 

C32 mode: <log> 0

 

 

 

 

 

 

C165 mode: address bus

 

11

DB0

I©/O

Data bus

C32 Mode: Data/address bus multiplexed

CPU, memory

12

DB1

I©/O

 

C165 Mode: Data/address bus separated

 

13

XDATAEXCH

O

Data_Exchange state for PROFIBUS-DP

 

LED

14

XREADY/XDTACK

O

Ready for external CPU

 

System, CPU

15

DB2

I©/O

Data bus

 

C32 mode:

data bus/address

CPU, memory

 

 

 

 

 

bus multiplexed

 

16

DB3

I©/O

 

 

C165 mode:

data/address bus

 

 

 

 

 

 

separate

 

 

17

VSS

 

 

 

 

 

 

18

VDD

 

 

 

 

 

 

19

DB4

I©/O

Data bus

 

C32 mode:

data bus/address

 

 

 

 

 

 

bus multiplexed

 

20

DB5

I©/O

 

 

C165 mode:

data bus/address

CPU, memory

 

 

 

 

 

bus separate

 

 

21

DB6

I©/O

 

 

 

 

 

22

DB7

I©/O

 

 

 

 

 

23

MODE

I

<log> 0 = 80C166 Data bus/address bus separated; ready signal

System

 

 

 

<log> 1 = 80C32 data bus/address bus multiplexed, fixed timing

 

24

ALE/AS

Address latch enable

C32 mode: ALE

 

CPU (80C32)

 

 

 

 

C165 mode: <log> 0

 

 

25

AB9

I

Address bus

C32 mode: <log> 0

 

 

 

 

 

 

C165 mode: address bus

CPU (C165), memory

26

TXD

O

Serial send port

 

 

 

RS 485 sender

27

RTS

O

Request to Send

 

 

 

RS 485 sender

28

VSS

 

 

 

 

 

 

29

AB8

Address bus

C32 Mode : <log> 0

 

 

 

 

 

 

C165 Mode: address bus

 

30

RXD

Serial receive port

 

 

 

RS 485 receiver

31

AB7

Address bus

 

 

 

System, CPU

32

AB6

Address bus

 

 

 

System, CPU

33

XCTS

Clear to send <log> 0 = send enable

 

FSK modem

34

XTEST0

Pin must be placed fixed at VDD.

 

 

35

XTEST1

Pin must be placed fixed at VDD.

 

 

36

RESET

I(CS)

Connect reset input with CPU’s port pin.

 

 

37

AB4

Address bus

 

 

 

System, CPU

38

VSS

 

 

 

 

 

 

39

VDD

 

 

 

 

 

 

40

AB3

 

 

 

 

 

41

AB2

Address bus

 

 

 

System, CPU

42

AB5

 

 

 

 

 

43

AB1

Address bus

 

 

 

System, CPU

44

AB0

 

 

 

 

 

Figure 3.1: SPC3 Pin Assignment

Note: All signals that begin with X.. are LOW active

VDD = +5V, VSS = GND

Input levels:

I ©:

CMOS

 

 

I (CS):

CMOS Schmitt trigger

 

SPC3 Hardware Description

V1.3

Page 9

Copyright (C) Siemens AG 2003 All rights reserved.

2003/04

Page 11
Image 11
Siemens SPC3 manual Pin Description, Cmos

SPC3 specifications

Siemens SPC3 is a state-of-the-art solution designed to enhance industrial automation, providing businesses with a robust platform for managing complex processes efficiently. This device epitomizes Siemens' commitment to innovation, blending cutting-edge technology with user-friendly features to deliver optimized performance across various applications.

One of the standout features of the Siemens SPC3 is its advanced processing capabilities. Equipped with high-performance processors, it can handle various tasks simultaneously, ensuring seamless operation even in demanding environments. This performance is complemented by enhanced memory capacity, which allows for increased data handling and improved execution speed, crucial for real-time monitoring and control applications.

The Siemens SPC3 also integrates a modular design, enabling flexibility and scalability. This characteristic allows users to customize their systems according to specific operational needs, adding or removing components as required. This adaptability is particularly beneficial for businesses that aim to scale their operations without incurring the substantial costs associated with overhauling existing systems.

Furthermore, the SPC3 employs the latest communication technologies, ensuring interoperability with various devices and systems. It supports industry-standard protocols, facilitating efficient data exchange between components. This connectivity is vital for establishing smart factories and enhancing overall productivity by creating a unified ecosystem.

Another significant aspect of the Siemens SPC3 is its focus on security. As cyber threats in industrial settings become increasingly sophisticated, Siemens prioritizes safeguarding user data and system integrity. The SPC3 incorporates advanced security features, including encryption and access control measures, to protect against unauthorized access and ensure data confidentiality.

Siemens has also emphasized ease of use in the SPC3. The interface is designed to be intuitive, allowing operators to navigate and configure the system effortlessly. Coupled with comprehensive software tools, users are empowered to implement changes swiftly while minimizing downtime.

In terms of energy efficiency, the SPC3 incorporates technologies that allow for optimized energy consumption, aligning with sustainability goals prevalent in today’s industries. By reducing energy waste, businesses not only lower operational costs but also contribute to environmental conservation.

In summary, Siemens SPC3 represents a significant advancement in industrial automation technology. Its high-performance processing, modular adaptability, advanced communication capabilities, robust security measures, and user-friendly design make it an ideal choice for businesses striving for efficiency and innovation in their operations. The SPC3 is more than just a control device; it is a comprehensive solution that meets the evolving demands of modern industries.