Siemens SPC3 manual Technical Data, Maximum Limit Values, Permitted Operating Values

PROFIBUS Interface Center SPC3

8Technical Data

8.1 Maximum Limit Values

Parameter	Designation	Min		Max		Unit
		AMI-Vers.	ST-Vers.	AMI-Vers.	ST-Vers.
Supply Voltage	VDD	-0,3	-0,5	6	7	V
Input Voltage	VI	-0,3	-0,5	VDD+0,3	V DD +0,5	V
Input Current	II	-10	k.A.	10	k.A.	mA
Storage Temperature	T	-55	-40	150	125	0C
	Stg
Ambient Temperature	TA	-40	-40	85	85	0C
Lead Temp.	TL	k.A	k.A.	300	k.A.	0C
(Soldering, 10 sec)

Tabel 8.1: Maximum Limit Values

8.2 Permitted Operating Values

Parameter	Designation		Min			Max		Unit
		AMI-Vers.		ST-Vers.	AMI-Vers.		ST-Vers.
Supply Voltage	VDD	4,5		4,75	5,5		5,25	V
Input High Voltage	VIHC	0,7 VDD		0,7 V DD	k.A.		V DD	V
Input Low Voltage	VILC	k.A.		0	0,3 VDD		0,3 V DD	V
Schmitt-Trigger (CMOS)
Input High Voltage	VP / VIHC	k.A.		k.A.	0,8 VDD		4	V
Input Low Voltage	Vn / VILC	0,2 VDD		1	k.A.		k.A.	V
Hysteresis Voltage	Vh	1		k.A.	k.A.		k.A.	V
Schmitt-Trigger (TTL)
Input High Voltage	VP / VIHC	k.A.		k.A.	2,1		2,4	V
Input Low Voltage	Vn / VILC	0,7		0,6	k.A.		k.A.	V
Hysteresis Voltage	Vh	0,4		k.A.	k.A.		k.A.	V

Tabel 8. 2: -Permitted Operating Values

8.3 DC-Specifikation of the I/O- Drivers

Parameter	Design.	Condition		Min				Max		Unit
		AMI-Vers.	ST-Vers.	AMI-Vers.	ST-Vers.		AMI-Vers.		ST-Vers.
Output High Voltage	VOH	VDD=4,5V	k.A.	VDD-0.5 *		V DD -0,5	k.A.		k.A.	V
Output High Voltage	VOH	VDD=4,5V	k.A.	3.65 **		V DD -0,5	k.A.		k.A.	V
Output Low Voltage	VOL	VDD=4,5V	k.A.	k.A.		k.A.	0,4*		0,4	V
Output Low Voltage	VOL	VDD=4,5V	k.A.	k.A.		k.A.	0,55**		0,4	V

*at an output load of 4mA ** at an output load of 8mA

Page 44	V1.3	SPC3 Hardware Description
2003/04		Copyright (C) Siemens AG 2003. All rights reserved.