Description
The Siemens CP 1243-1 (6GK7243-1BX30-0XE0) is an advanced communication processor for Siemens S7-1200 PLCs, designed to provide reliable and secure connectivity for telecontrol systems, SCADA networks, and remote automation solutions. It features a 10/100 Mbit/s Industrial Ethernet interface that enables seamless communication between the PLC and remote servers or control centers.
Built with strong security features, the CP 1243-1 supports up to 8 simultaneous IPSec VPN connections, allowing encrypted communication using AES-256, AES-192, AES-128, or 3DES-168. Authentication options include PSK and X.509 certificates, with supported hashing methods such as MD5 and SHA-1. These capabilities make the module suitable for secure, firewall-protected industrial networks.
The module includes a powerful data buffering system that stores up to 64,000 measured values during communication loss, ensuring no data is lost in remote operations. It supports up to 200 data points per station, making it reliable for continuous process monitoring.
Powered via the backplane bus at 5 V DC, the module has a low power consumption of approximately 1.25 W. It operates reliably in harsh industrial environments with a temperature range of –20 °C to +60 °C (or up to +70 °C depending on installation orientation). Its compact design—110 mm height, 30 mm width, and 75 mm depth—allows easy DIN-rail mounting.
Compatible with Siemens TIA Portal and STEP 7, the CP 1243-1 supports remote diagnostics, configuration, and firmware updates. Multi-module setups are supported, with up to 3 communication processors per CPU.
This module is ideal for industrial plants requiring secure remote monitoring, SCADA integration, telemetry, and dependable communication under challenging conditions.
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