SIMATIC C7-635.pdf

New compact control systems with

improved processing, communication

and technology functions

simatic

Do you lack sufficient space in your machine for a control and operating panel? The solution:

SIMATIC® C7. The compact control system consists of a standard S7-300 controller and an operator

panel both accommodated in a space-saving housing. The I/Os are even on-board. This enables

complete machine controls to be installed in the smallest of spaces and reduces the expenditure

required for assembly, installation, wiring and engineering. SIMATIC C7 offers integrated

technological functions such as counting, controlling, positioning and frequency measurement.

And if you decide to purchase the innovated SIMATIC C7-635 unit, you will enjoy improved

communication, processing and technological functions.

C7-635

Innovations offer considerably

greater performance

The compact C7-635 control systems,

which are particularly suited for the

construction of series and special ma-

chines for processing and production,

have been substantially improved. For

example, the cycle time for mathemat-

ical operations has been considerably

reduced because the floating point

commands are performed three times

faster. Furthermore, direct access to

the high-speed hardware counters

permits considerably more dynamic

performance and positioning tasks. In

short, overall performance has been

substantially increased.

The acquisition and output of signals

via the integrated digital and analog

I/Os are also more rugged and accu-

rate.

FBs and DBs). This means that the

user programs that were developed

for the S7-300 CPUs can easily be

reused for the C7.

PROFIBUS included

The C7-635 compact unit has a

PROFIBUS DP V1 interface that can

be configured either as a PROFIBUS

master or slave. DP V1 enables the

acyclical transfer of data – even to

non-Siemens devices. This means

that diagnosis data and alarms from

field devices can be transferred to the

C7 or parameterized data loaded into

the field devices.

Copy protection with

Micro Memory Cards

Thanks to residual data storage on

the Micro Memory Card (MMC), C7

units function without a backup

battery and therefore require no

maintenance. STEP® 7 projects and

larger data volumes for archiving

and recipe editing can be stored on

the MMC. By requesting the MMC

serial number during program execu-

tion, an even more effective copy

protection for user software can be

implemented. In other words, great-

er security for your investment.

Rugged and high-speed

signal acquisition

The direct access to input addresses

accelerates the recording of actual

values – ideal for counting functions

and frequency measurement. Since

the maximum counting frequency

can be set for the counter channels,

frequencies above this level are fil-

tered, making the counting function

more immune to external disruptions.

Direct control of frequency

converters

The new C7 devices can now directly

control all frequency converters from

the MICROMASTER product range.

This is made possible by the addition-

al control types when positioning

using the integrated analog output.

More loadable function blocks

The number of possible block num-

bers for FCs, FBs and data blocks has

been increased to a total of 512. The

number of loadable blocks has also

been extended to 1024 (total of FCs,

SIMATIC C7-635 Key

SIMATIC C7-635 Touch

Operator Panel

SIMATIC OP 170B

Full graphic representation, blue mode

Resolution 320 x 240 pixel

Size 6 “

Membrane keyboard with

24 function keys (18 with LED),

programmable,

35 system keys

Touch Panel

SIMATIC TP 170B

Full graphic representation, blue mode

Resolution 320 x 240 pixel

Size 6 “

Touch screen

Display

Control element

PLC CPU

CPU working memory

Load memory via MMC

Command runtime (µs)

• Word operation, min.

• Floating point command, min.

Operands: bit memories, timers, counters

Number of loadable blocks

(total of FCs, FBs, DBs)

I/O

CPU 314C-2 DP

64 KB

64 KB to 8 MB

0.2

Per 256

1024

24 DI, 16 DO

4 AI + 1 PT 100

2 AO

MPI; PROFIBUS DP V1

Counters, frequency measurement, closed-loop control, controlled positioning

Communication interfaces

Technological functions

Dimensions W x H x D (mm)

260 x 273 x 79

260 x 199 x 79

Siemens AG

Automation and Drives

P.O. Box 48 48

90327 Nuremberg

www.siemens.com/simatic-c7

SIMATIC® is a registered trademark

of Siemens. Other designations used

in this publication may be trademarks

whose use by third parties for their

own purposes could violate the rights

of the owners.

Printed in Germany

Order No. E20001-A440-P210-X-7600

41C8171 MK.AS.C7.52.3.11 SB 09033.

Subject to change without prior notice

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