Siemens Barcode Reader Simatic S7 400 Users Manual Controllers The Innovative Solution For All Automation Tasks; Brochure April 2011

SIMATIC S7-400 to the manual 07839229-b5e2-4f21-a9ec-ce0be539d1df

: Siemens Siemens-Barcode-Reader-Simatic-S7-400-Users-Manual-409969 siemens-barcode-reader-simatic-s7-400-users-manual-409969 siemens pdf

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Point-to-point connection
Scanner
Barcode
reader

Point-to-point link via communications processors (CPs) is an
extremely powerful and low-cost alternative to bus systems.
The advantage of point-to-point links over bus systems is especially pronounced when only a few (RS 485) devices are to
be connected to the SIMATIC S7.

Process
controller
SIMATIC S7

The CPs can also easily link third-party systems to the
SIMATIC S7. Thanks to the great flexibility of the CPs, different
physical transmission media, transmission rates or even customized transmission protocols can be implemented.

SIMOVERT
SIMOREG

The CPs have a rugged plastic housing with LEDs for displaying
operating states and faults.

The configuration data are stored in a system block and
backed up in the CPU. When modules are replaced, the new
module is therefore immediately ready for use.

PC

Printer

Robot
control

BDE
terminal

3rd party
PLC

G_ST70_XX_00687

For each CP there is a configuring package on CD with electronic manual, parameterization screen forms and standard
function blocks for communication between the CPU and
the CP.

Modem

Point-to-point links for SIMATIC S7-400

With the S7-400 point-to-point link modules, adaptation to
the physical transmission media is achieved by plugging in the
relevant interface submodules, without the need for external
converters.
Technical data: Point-to-point connection
Application
High-speed response
with low data volumes

Transmission rate

High (115 200 bit/s)

Interconnection
Low-cost:
With one variable
interface

High-speed:
With two variable interfaces

Low (38 400 bit/s)

High (115 200 bit/s)

Loadable protocols
(Order No. group: 6ES7 340-)

MODBUS Master (-1AA.),
MODBUS Slave (-1AB.),
Data Highway (-1AE.)

Module

CP 440

CP 441-1

CP 441-2

Order No. group: 6ES7

440-1.

441-1.

441-2.

Physical transmission media
RS 232C (V.24)

All transmission methods, all interface modules,
plug-in, serial

20 mA (TTY)
RS 422/485 (X.27)

● (up to 32 nodes)

Integrated transmission protocols
ASCII

●

Printer driver
3964 (R)
RK 512

●
●
●

SIMATIC Modular Controllers

59



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