Siemens AS 235 Benutzerhandbuch
Siemens PLT 111 · 1999
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TELEPERM M
Introduction
System data
Technical data of automation systems
Central unit
Central processor
Microprogrammed
Arithmetic unit processing width
32 bit
Process execution levels
5
• Acyclic
2 (alarm and background levels)
• Cyclic
2 (125 ms, 1 s) and communica-
tion level
tion level
Memory (EDC)
1-bit correction when reading
Interface to central processor
16 bit wide
Main memory (RAM)
4000 kbyte
Memory for system software (RAM)
1 Mbyte
Memory backup time (RAM)
T
min
480 h
Input and output devices
Operation unit
1 process monitor
1 process operation keyboard
1 process operation keyboard
• Number of operation units which
can be used simultaneously
2
Process monitor
• Vertical frequency
• Horizontal frequency
• Video signals
50 Hz non-interlaced
15.625 kHz
RGB with SYNC in green chan-
nel
nel
Graphic display
• Semi-graphics
• Format
• Colors
• Resolution
• Message line
• Working field
• Input line
32 lines with 64 characters each
8
High-resolution
1
29 lines
1, for configuring
Configuring unit
1 configuring keyboard,
1 mini floppy disk unit
1 mini floppy disk unit
Mini floppy disk unit
• Diskette format
• Max. storage volume per diskette
5.25 inch
1 Mbyte
Logging printer/message printer
Needle and ink-jet printers
• Number of logging/message print-
ers which can be operated simulta-
neously
neously
• Format
• Printing speed with normal font
2 / 2
DIN A4 (80 characters/line) or
DIN A3 (136 characters/line)
DIN A3 (136 characters/line)
300 characters/s
Technical data of automation systems
(continued)
Power supply for AS
Supply voltage
DC 24 V
(AS 235 K also
AC 50/60 Hz, 230 V)
(AS 235 K also
AC 50/60 Hz, 230 V)
• Redundant supply
• Permissible range including ripple
With AS 235 H and
AS 235 K, DC 24 V;
as option with AS 235
AS 235 K, DC 24 V;
as option with AS 235
DC 20.8 to 33 V (AS 235 and
AS 235 K, DC 24 V)
AS 235 K, DC 24 V)
DC 21.6 to 31 V (AS 235 H)
Permissible ripple
(DC 24 V systems)
(DC 24 V systems)
15 % of mean DC value within
the permissible range
the permissible range
Limiting range of use
(DC 24 V systems)
(DC 24 V systems)
35 V
≤ 500 ms
45 V
≤ 10 ms
Voltage dip with U
N
=24 V
(DC 24 V systems)
0 V
≤ 5 ms, recovery time 10 s
External fusing required
– Max. 80 A with I/O modules
(AS 235 and AS 235 H)
– 25 A (AS 235 K, DC 24 V)
– 10 A (AS 235 K, AC 230 V)
Current consumption of basic unit/
basic system (typical value without
I/O modules)
basic system (typical value without
I/O modules)
5.5 A (AS 235)
8.5 A (AS 235 H)
6.5 A (AS 235 K, DC 24 V)
1.0 A (AS 235 K, AC 230 V)
8.5 A (AS 235 H)
6.5 A (AS 235 K, DC 24 V)
1.0 A (AS 235 K, AC 230 V)
Power consumption
(basic unit/system)
(basic unit/system)
– Max. 160 W (AS 235,
without I/O modules)
– Max. 200 W (AS 235 H,
without I/O modules)
– Max. 220 W (AS 235 K,
DC 24 V, with I/O modules)
– Max. 330 VA (AS 235 K,
AC 230 V, with I/O modules)
Permissible thermal load in cabinet
(for AS 235 and AS 235 H)
(for AS 235 and AS 235 H)
• Without heat exchanger
1)
– Without fan subassembly
– With fan subassemblies
– With fan subassemblies
1) With cabinet inlet temperature 40 °C
Max. 350 W
Max. 700 W
Max. 700 W
• With heat exchanger and fan sub-
assemblies
Max. 1000 W
Heat to be dissipated from housing
(only AS 235 K)
(only AS 235 K)
Max. 200 W
Degree of protection EN 60 529
AS 235/235 H
AS 235 K
• Standard cabinet without heat
exchanger
• Standard cabinet with heat
exchanger
• Sheet-steel housing
• Subrack
IP 20
–
IP 54
–
–
IP 21
IP 00
IP 00
Impairment of function by gases
Industrial atmospheres for occu-
pied rooms are permissible
pied rooms are permissible
This catalog is out of date, see note on page 1