simens small size plc - PLCS.net

hafezi · June 9th, 2002, 12:42 AM

Hi , I am new user and want to know about small size plc of simens.would please help me.

moggie · June 9th, 2002, 02:48 AM

Siemens have many PLC's within their range.
The older S5 and the newer S7.

Within each range there are several models.
The small S7 range is called S7-200

The S5 had S5-90;95 and 100 models.

Stick with the S7-200 models, they are newer.

jvdcande · June 11th, 2002, 09:21 AM

Beware: stepping up from S7-200 to S7-300/400 is not easy. The S7-200 is in fact a descendant from the TI PLC's, whereas the S7-300/400 are "real" Siemens PLC's.

The S5-90/95/100 families are also real Siemens PLC's, but these are out-of-date.

So, stick to the suggestion by Moggie and count on having to learn again when stepping up to the bigger S7's.

June 9th, 2002, 12:42 AM	#1
hafezi Member Join Date: Jun 2002 Location: iran kish island Posts: 1	simens small size plc Hi , I am new user and want to know about small size plc of simens.would please help me.

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June 9th, 2002, 02:48 AM	#2
moggie Lifetime Supporting Member Join Date: Apr 2002 Location: Devon, England. Posts: 530	Siemens have many PLC's within their range. The older S5 and the newer S7. Within each range there are several models. The small S7 range is called S7-200 The S5 had S5-90;95 and 100 models. Stick with the S7-200 models, they are newer.

June 11th, 2002, 09:21 AM	#3
jvdcande Member Join Date: Apr 2002 Location: Menen Posts: 1,948	Beware: stepping up from S7-200 to S7-300/400 is not easy. The S7-200 is in fact a descendant from the TI PLC's, whereas the S7-300/400 are "real" Siemens PLC's. The S5-90/95/100 families are also real Siemens PLC's, but these are out-of-date. So, stick to the suggestion by Moggie and count on having to learn again when stepping up to the bigger S7's.

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