Siemens Server User Manual download pdf (Page 8)

Description of ChemWeb Server

The ChemWeb Server is a compact standalone PC which is fitted with an integrated analog, ISDN

modem in addition to the main memory, an internal flash drive for programs and data, a clock module

and a number of hardware interfaces. Serial connection possibilities such as RS232 and RS485 are

part of the interfaces via which application hardware is controlled. An Ethernet connection that allows

the device to link to a network is also available.

This drawing on the proceeding page shows the ChemWeb Server with analog or ISDN modem.

Power Supply

The ChemWeb Server is equipped with a very flexible power supply input and accepts DC voltages

from 10 to 80 volts. For layout, observe the differing current consumption depending on the type (see

technical data)!

Terminal No.: Designation: Explanation:

1 GND Ground

2 50...80 V DC Voltage input + (range from 50 to 80 volts)

3 10...60 V DC Voltage input + (range from 10 to 60 volts)

4 GND Ground

The negative pole of the power supply must be connected to GND

(protective conductor)!

Reset

Power

DCD

COM1 RxTx

CF Activity

Network

Status

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35

ChemWeb

Ser ver

10Base-T

COM 0

W&T-RS232

COM 1

Nullmodem

Termination

Symm(-)

Symm(+)

RS485 enable

GND



GND

50...80VDC

10...60VDC

GND

Reset

GND

IN1

IN2

GND

COM 0 - W&T RS485-Bus

IN 2

IN 1

Ext.

Reset

Power

Supply

LA1

GND

CTS

RTS

RXD

TXD

GND

REL2

REL1

COM 1 - RS232

Nullmodem

CompactFlash

TEL/ISDN

LB1

W&T-Bus RxTx

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 47 48

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Siemens Server User Manual Page 8

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