Siemens AS 235 appendix Technical data of automation systems

		This catalog is out of date, see note on page 1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

pied rooms are permissible

1) With cabinet inlet temperature 40 °C

Siemens PLT 111 · 1999 1/5