CP 443-5 Basic

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Информационные материалы

Connection of the S7-400 to PROFIBUS
Communication services:
- PG/OP communication
- S7 communication
- Open communication (SEND/RECEIVE)
- PROFIBUS FMS
Time synchronization
Easy programming and configuration over PROFIBUS
Cross-network programming device communication through S7 routing
Can be easily integrated into the SIMATIC S7-400 system
Modules can be replaced without the need for a PG
SIMATIC H system operation for redundant S7 communication

Область применения

The CP 443-5 Basic communications processor is the module required for SIMATIC S7-400 for the PROFIBUS bus system.

It offloads communication tasks from the CPU.

Communications options of the S7-400 through communications modules:

FMS communication with PROFIBUS stations through PROFIBUS
Communication with programming devices, human machine interface devices
Communication with other SIMATIC S7 systems
Communication with SIMATIC S5 PLCs

The number of CPs that can be operated depends on the performance range of the CPU and the communication services used.

Дизайн

The CP 443-5 communications processor features all the advantages of the SIMATIC S7-400 design:

Compact construction;
9‑pin Sub‑D socket for connection to PROFIBUS
Single-width module
Easy installation;
the CP 443-5 is mounted on the S7-400 rack and connected to the other modules of the S7-400 by means of the backplane bus. No slot rules apply in this case.
User-friendly wiring;
the Sub-D socket is easily accessible and simple to operate.
The CP 443-5 Basic can be operated without a fan. A backup battery or memory module is not required
When using SEND/RECEIVE, the number of operable modules depends on the S7-400 CPU used.

Функции

The CP 443-5 Basic provides access to different communication services of the PROFIBUS bus system:

PG/OP communication
S7 communication (S7 controllers)
Open communication (SEND/RECEIVE)
PROFIBUS FMS (to IEC 61158/61784)
Time synchronization

PG/OP communication

PG/OP communication allows all S7 stations connected to the network to be remotely programmed.

S7 routing
With the aid of routing it is possible to use programming device communication across networks.

S7 communication

S7 communication is used for the coupling

between SIMATIC S7 automation systems
to programming devices (PG/OP communication)
To PCs,
e.g. with CP 5512, CP 5611 A2, CP 5621 and SOFTNET-PB S7 or CP 5613 A2, CP 5613 FO, CP 5614 A2, CP 5623, CP 5624 and HARDNET-PB S7
to HMI devices (OPs).
For redundant S7 communication, the CP 443-5 Basic can also be used in SIMATIC H systems.

Open communication (SEND/RECEIVE)

Based on Layer 2 (FDL) of PROFIBUS, the CP 443-5 Basic offers a simple, optimized interface for data communication. This interface offers integrated, high-performance communication between SIMATIC S5, SIMATIC S7 and the PC. It provides the services SDA (PLC/PLC connections) and SDN (Broadcast/Multicast).

The communication partners are the automation systems:

SIMATIC S7
with CP 342-5, CP 343-5, CP 443-5 Extended and Basic
SIMATIC S5
with S5-95U with PROFIBUS interface, S5-115U/H, S5-135U, S5-155U/H with CP 5431 FMS/DP
SIMATIC 505
with CP 5434-FMS
PCs
with CP 5512, CP 5611 A2, CP 5621, CP 5613 A2, CP 5613 FO, CP 5614 A2, CP 5623, CP 5624
Non-Siemens systems that are equipped with an FDL interface.

To use SEND/RECEIVE, function calls are required (PLC-SEND/PLC-RECEIVE), which must be linked into the STEP 7 user program.

PROFIBUS FMS

PROFIBUS FMS, according to IEC 61158/61784, permits the transmission of messages via various FMS services:

READ, WRITE;
for read or write access to variables of the communication partner from the user program (by means of a variable index or variable name), for the transfer of its own variable values to the communication partner.
Partial access to variables is supported. The communication takes place over acyclic connections (master/master, master/slave), over acyclic connections with a slave initiative and cyclic connections (master/slave).
INFORMATION REPORT;
(Report) permits unconfirmed transmission of variables by an FMS server. This job type is used particularly for transmission on broadcast FMS connections.
IDENTIFY;
for requesting the identification features of the communication partner
STATUS;
for requesting the partner status

Time synchronization

The CP 443-5 Basic is capable of forwarding the time of day of the S7-400 CPU to PROFIBUS. Conversely, the CP 443-5 Basic of the S7-400 CPU can make an existing time of day available on the PROFIBUS.

Diagnostics

Extensive diagnostic options are available via STEP 7, including:

Status of the CP
General diagnostics and statistics functions
Connection diagnostics
Bus statistics
Message buffer

Configuration

STEP 7 V5.1 SP2 or higher is required for configuring the full functional scope of the CP 443-5 Basic. In Version V5 or higher of STEP 7, the configuration data of the CP can also optionally be stored on the CPU and is retained even if there is a power failure. A module can therefore be replaced without having to reload the configuration data from a programming device. The CPU transfers the configuration data to the CP during start-up.

Configuration and programming of all SIMATIC S7 controllers connected to the network is possible over the network.

The function blocks for using the open communication (SEND/RECEIVE) can be found in the SIMATIC NET library following installation of STEP 7.

Особенности

Simple integration of the SIMATIC S7 into a multi-vendor automation group by means of PROFIBUS FMS
Application in fault-tolerant systems due to redundant S7 communication
Extensive reduction of workload for the user of PROFIBUS FMS specification due to simple configuration and independent data conversion of data on the CP
Plant-wide clock time thanks to clock synchronization
Integration of the SIMATIC S7-400 into existing systems by means of open communication
Universal application of the CP due to the parallel use of different communication services on one CP

Технические данные

Order number		6GK7443-5FX02-0XE0
Product type designation		CP 443-5 Basic
Transmission rate
Transfer rate
● at the 1st interface acc. to PROFIBUS		9.6 kbit/s ... 12 Mbit/s
Interfaces
Number of interfaces acc. to Industrial Ethernet		0
Number of electrical connections
● at the 1st interface acc. to PROFIBUS		1
Type of electrical connection
● at the 1st interface acc. to PROFIBUS		9-pin Sub-D socket (RS485)
Supply voltage, current consumption, power loss
Type of voltage of the supply voltage		DC
Supply voltage 1 from backplane bus		5 V
Supply voltage		5 V
Relative symmetrical tolerance at DC
● at 5 V		5 %
Consumed current
● from backplane bus at DC at 5 V typical		1 A
● from external supply voltage at DC at 24 V typical		1.2 A
Power loss [W]		5 W
Permitted ambient conditions
Ambient temperature
● during operation		0 ... 60 °C
● during storage		-40 ... +70 °C
● during transport		-40 ... +70 °C
Relative humidity at 25 °C without condensation during operation maximum		95 %
Protection class IP		IP20
Design, dimensions and weight
Module format		Compact module S7-400 single width
Width		25 mm
Height		290 mm
Depth		210 mm
Net weight		0.65 kg
Product properties, functions, components general
Number of units
● per CPU maximum		14
● Note		depending on CPU type
Performance data open communication
Number of possible connections for open communication by means of SEND/RECEIVE blocks maximum		32
Amount of data
● as user data per connection for open communication by means of SEND/RECEIVE blocks maximum		240 byte
Performance data FMS functions
Number of possible connections for FMS connection maximum		48
Amount of data of the variables
● for READ job maximum		237 byte
● for WRITE job maximum		233 byte
Number of variables
● Configurable from server to FMS partner		512
● Loadable from server to FMS partner		2 640
Performance data S7 communication
Number of possible connections for S7 communication
● maximum		48
Performance data multi-protocol mode
Number of possible connections of which 2 reserved for PG/OP communication with multi-protocol mode maximum		59
Configuration software
● required		STEP 7 V5.2 SP1 or higher and NCM S7 for PROFIBUS