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The CP 1243-1 communications processor is used for connecting a SIMATIC S7-1200 to the TeleControl Server Basic control center software via Ethernet, and for safe communication via IP-based networks.

The CP has the following features:

• Ethernet-based connection to TeleControl Server basic, e.g. via Internet
• Data transfer of measured values, control variables, or alarms optimized for becontrol systems
• Automatic sending of alert emails
• Data buffering of up to 64,000 values ensures a secure database even with temporary connection failures
• Secure communication via VPN connections based on IPSec
• Access protection via Stateful Inspection Firewall
• Clearly laid out LED signaling for fast and easy diagnostics
• Compact industrial enclosure in S7-1200 design for mounting on a standard mounting rail
• Fast commissioning thanks to easy configuration using STEP 7

• Data security
  The CP 1243-1 has a large buffer for several thousand data values. Downtimes in the transmission b can then be bridged.
• Fully automatic time stamp
  To enable subsequent and correct archiving of process data in the control system, all data frames are assigned with a time stamp at their place of origin.
• Fast and flexible data communication
  Operators are therefore quickly provided with alarms, statuses and values from the process, and they can influence process control by entering commands or setpoints at any time.
• Simple and low-cost engineering
  The cyclic or event-controller transfer of measurements, setpoints or alarms can be implemented in only a few operations and without programming effort.
• Remote diagnostics
  Saving of traveling and maintenance costs due to cost-effective remote programming, diagnostics, control and monitoring via the Internet
• Industrial Security
  Securing the system against unauthorized access by means of
  • Central access protection for any devices within an automation cell, e.g. by means of authentication of the network stations
  • Secure remote access via the Internet by means of data encryption (VPN) and data integrity checking

By using the CP 1243-1, the S7-1200 can be used as a remote terminal unit (substation) in becontrol applications. Typical uses include the collection of measured values in geographically widely distributed outdoor areas (level measurement for water tanks) or centralized opening and closing of valves (oil/gas transport in pipelines).

• Plants in water, wastewater or environmental sectors:
  • Irrigation systems
  • Drinking water supply
• Monitoring of power networks for consumption metering and cost control
  • District heating networks
  • Wind farms
• Plants in the oil and gas sector
  • Oilfield water injection
  • Pipelines
• Transportation systems
  • Ventilation control in tunnel systems
  • Traffic control

Regardless of the becontrol features of the CP, it can also be used purely for security applications if the automation system is to be connected securely to a higher-level IT network. This ensures that the SIMATIC S7-1200 is protected against unauthorized access from an Industrial Ethernet network The CP 1243-1 allows secure access via an Industrial Ethernet connection and allows the data transferred between devices or network segments to be protected from manipulation and industrial espionage.

Cell protection for SIMATIC S7-1200 with CP 1243-1 (Security Integrated)

The CP 1243-1 offers all the advantages of the S7-1200 design:

• Rugged, compact plastic enclosure
• Easily accessible connection and diagnostics elements, protected by front flaps
• Simple mounting on the mounting rail of the S7-1200

The CP 1243-1 is plugged into the left-hand system bus interface of the S7-1200. Power is supplied directly via the S7-1200. No additional wiring is necessary. Any required modems or routers are connected via the Ethernet interface on the underside of the module.

Connection of the SIMATIC S7-1200 to TeleControl Server via cellular radio and DSL internet access

The CP 1243-1 is a communication module for the S7-1200. The module allows the SIMATIC S7-1200 to be connected as a remote station to TeleControl Server Basic in just a few steps.

Compleby configurable application through "data point configuration"

The introduction of the "data point configuration" in STEP 7 dispenses with all programming effort for transfer of data to the control center.

The data of the CPU relevant to the control center is selected via user-friendly "item browsing" in STEP 7. In a bly-arranged menu, the data transfer beters are then assigned to the data points selected in this way. The cyclic or event-controller transfer of measurements, setpoints or alarms can thus be implemented in only a few operations and without programming effort.

Data backup

Data losses are prevented by the data buffering mechanisms integrated in the product.

In the event of a connection failure, up to 64,000 time-stamped values are buffered. When the connection returns, the buffered values are automatically transferred to the control center in the right order.

E-mail alerting

Alert e-mails can be configured for timely provision of stations' states to service or maintenance personnel. If previously defined events (such as threshold violation) should occur, application-specific inbation is sent automatically by e-mail.

Diagnostics

The CP 1243-1 offers comprehensive diagnostic options for a quick and inbative analysis of the station status. Elementary diagnostic inbation about the connection to the control center is signaled directly via LEDs at the CP.

Using STEP 7, comprehensive inbation can be retrieved, such as connection history, buffer status, and the transferred measured values.

Remote maintenance

For remote access from the control center to the substation, the CP provides a remote maintenance port in parallel with process operation. This ensures access for monitoring and program changes.

Interfaces

The CP 1243-1 has an Ethernet interface to connection to the control center. The S7-1200 can be connected via an existing network or via other media by using additional routers (e.g. SCALANCE M for Internet connection via DSL).

Power supply

Extra wiring for the CP power supply is not required. Power is supplied directly via the backplane bus of the S7-1200.