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Siemens SIMATIC NET CP 343-1 Advanced Communication Processor 6GK7343-1GX21-0XE0
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
- Product Overview
- Key Functions
- Official Specifications
- Frequently Asked Questions
- Compatibility & Ordering Notes
- Hot Selling Models
- Recommended Products
Overview
Siemens · SIMATIC NET S7-300
6GK7343-1GX21-0XE0 SIMATIC NET CP 343-1 Advanced Communication Processor
The CP 343-1 Advanced adds Industrial Ethernet and PROFINET IO controller services to a SIMATIC S7-300 station, with S7 communication, open transport protocols and integrated web, FTP and e-mail functions.
At a Glance
| Brand | Siemens |
|---|---|
| Model | 6GK7343-1GX21-0XE0 |
| Product Type | Industrial Ethernet communication processor for SIMATIC S7-300 |
| Core Function | Connects an S7-300 station to Industrial Ethernet and PROFINET IO |
| Application or Compatible Series | S7-300 systems using PROFINET IO, S7 communication and open Ethernet protocols |
Exact Identification
Match 6GK7343-1GX21-0XE0 character by character and confirm the complete SIMATIC NET CP 343-1 Advanced Communication Processor designation.
Interface Arrangement
Confirm the installed supply, ports, field connections and required accessories before wiring the replacement.
Configuration Check
Preserve the approved engineering project, network parameters and application data used by the installed system.
Product Overview
The CP 343-1 Advanced adds Industrial Ethernet and PROFINET IO controller services to a SIMATIC S7-300 station, with S7 communication, open transport protocols and integrated web, FTP and e-mail functions.
The processor operates as a PROFINET IO controller for distributed field devices. S7 communication, ISO transport, ISO-on-TCP, TCP, UDP and Fetch/Write services support controller and host integration. Web diagnostics, FTP client and server functions, e-mail, SNMP, DHCP and time synchronization support maintenance and data exchange.
Key Functions
PROFINET IO Control
The processor operates as a PROFINET IO controller for distributed field devices.
Broad Ethernet Services
S7 communication, ISO transport, ISO-on-TCP, TCP, UDP and Fetch/Write services support controller and host integration.
Integrated IT Functions
Web diagnostics, FTP client and server functions, e-mail, SNMP, DHCP and time synchronization support maintenance and data exchange.
Official Specifications
| Ethernet Data Rate | 10/100 Mbit/s |
|---|---|
| Industrial Ethernet Interface | 1 x RJ45 |
| PROFINET IO Role | IO controller |
| Simultaneous Industrial Ethernet Connections | 48 maximum |
| Example Maximum Connection Load | 32 S7, 2 ISO-on-TCP, 8 TCP and 6 UDP connections |
| S7 Communication Connections | Up to 16 HMI connections, 16 connections configured at one end and 16 configured at both ends |
| S7 Data Field Length | 240 bytes per protocol data unit for sending and receiving |
| PROFINET IO Devices | Up to 125 when data is stored on the CP |
| PROFINET IO Input Area | 2,160 bytes maximum |
| PROFINET IO Output Area | 2,160 bytes maximum |
| PROFINET IO Data per Submodule | 128-byte input and 128-byte output areas |
| PROFINET IO Controllers per S7-300 Station | 15 |
| PROFINET CBA Remote Interconnection Partners | 64 maximum |
| PROFINET CBA Total I/O | 1,000 maximum |
| C-PLUG Capacity | Up to 32 MB nonvolatile memory |
| C-PLUG Write Cycles | Approximately 100,000 |
| Power Connections | S7-300 backplane bus and 24 V DC supply |
Frequently Asked Questions
Can 6GK7343-1GX21-0XE0 control PROFINET IO devices?
Yes; it provides the PROFINET IO controller role for a configured S7-300 station.
Which open Ethernet protocols are available on 6GK7343-1GX21-0XE0?
ISO transport, ISO-on-TCP, TCP and UDP communication are supported.
Does 6GK7343-1GX21-0XE0 support S7 routing?
Yes; S7 routing is available with the supported firmware and project configuration.
Can 6GK7343-1GX21-0XE0 transfer files without an external gateway?
Yes; integrated FTP client and server functions can be configured for file exchange.
How is the network address assigned to 6GK7343-1GX21-0XE0?
The address can be configured in the project or obtained through the supported DHCP function.
What should be copied before replacing 6GK7343-1GX21-0XE0?
Preserve the STEP 7 project, IP parameters, communication connections, PROFINET device assignments and C-PLUG data.
Can 6GK7343-1GX21-0XE0 synchronize the controller clock?
Yes; the processor supports NTP-based time synchronization for the connected CPU.
Compatibility & Ordering Notes
Compatibility Checklist
- Use the processor only with an S7-300 CPU and rack configuration supported by the installed firmware.
- Restore the same IP parameters, PROFINET device names and configured connections from the validated STEP 7 project.
- Confirm the C-PLUG state before commissioning a replacement module.
