Siemens Server User Manual
Description of ChemWeb Server
2
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.
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)!
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
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
OH
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
Server
10Base-T
COM 0
W&T-RS232
COM 1
Nullmodem
Te
rm
in
a
tio
n
S
y
m
m
(-
)
Sy
m
m
(+
)
B
A
B
A
RS
4
8
5 en
ab
le
GN
D
GND
5
0
..
.8
0
V
DC
1
0
..
.6
0
V
DC
GND
GND
Re
s
e
t
GND
IN
1
IN
2
GND
COM 0 - W&T RS485-Bus
IN 2
IN 1
Ext.
Reset
Reset
Power
Supply
Supply
LA
1
LA
GND
CT
S
RT
S
RX
D
TX
D
GND
REL2
REL1
COM 1 - RS232
Nullmodem
Co
m
p
a
c
tF
la
s
h
TEL/ISDN
LB
LB
1
W&T-Bus RxTx