• Siemens 6ES5525-3UA11
  • Siemens 6ES5525-3UA11
  • Siemens 6ES5525-3UA11
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Siemens 6ES5525-3UA11 Simatic S5 CP 525 Communications Processor

Siemens 6ES5525-3UA11 Simatic S5 CP 525 Communications Processor

Description

The Siemens 6ES5525-3UA11 (CP 525) is a specialized communications processor engineered for the Simatic S5 programmable logic controller family. This module serves as a high-performance interface, enabling reliable serial data...

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SKU: 6ES5525-3UA11
Proveedora: Siemens
tipo: Communications Processor Module
Related Series:

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Description

The Siemens 6ES5525-3UA11 (CP 525) is a specialized communications processor engineered for the Simatic S5 programmable logic controller family. This module serves as a high-performance interface, enabling reliable serial data exchange between the S5 PLC and various external peripheral devices, including supervisory control systems, serial printers, and industrial programmers. By managing communication tasks independently of the host CPU, the CP 525 optimizes system performance, reduces scan-time overhead, and ensures stable data throughput in demanding automation environments.

Features

  • Dual configurable serial channels supporting RS-232-C (V.24), RS-422, and 20 mA current loop (TTY) standards.
  • Supports diverse communication protocols including RK 512, ASCII, 3964(R) procedure, and printer drivers.
  • Offloads communication processing from the main PLC CPU to maintain deterministic control cycles.
  • Integrated front-panel LED indicators for real-time status monitoring and diagnostic troubleshooting.
  • Designed for seamless integration into standard Siemens S5-115U, S5-135U, and S5-155U backplane racks.

Applications

This module is widely utilized in legacy industrial automation sectors, including power generation, oil and gas refining, and heavy manufacturing. It is ideal for applications requiring robust serial telemetry, alarm logging, recipe management, and point-to-point data transmission between disparate industrial hardware components.

Technical Specifications

Model 6ES5525-3UA11 (CP 525)
Product Family Simatic S5 / Simatic Net
Power Consumption 7.5 W at 5 VDC (backplane)
Transmission Rate 300 bps to 19200 bps
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 70 deg C
Relative Humidity 5 to 95% non-condensing

Installation Guidelines

  • Ensure the PLC rack power is disconnected before inserting or removing the CP 525 module to prevent electrical damage.
  • Verify that the correct plug-in driver submodules are installed for the required electrical interface (RS-232, RS-422, or TTY).
  • Seat the module firmly into the designated S5 rack slot and secure the locking mechanism to ensure proper backplane connectivity.
  • Use shielded communication cables and ensure proper grounding to minimize EMI interference in high-noise industrial environments.
  • Maintain adequate ventilation around the S5 rack to ensure the module operates within its specified temperature range.

FAQ

Which PLC systems are compatible with the 6ES5525-3UA11?
This module is specifically designed for the Siemens Simatic S5-115U, S5-135U, and S5-155U PLC rack systems.

Does this module require external power?
No, the CP 525 draws its operating power directly from the S5 backplane 5 VDC supply.

Can the serial interface be configured for different standards?
Yes, the serial channels are configurable for RS-232-C, RS-422, or 20 mA TTY, depending on the specific driver submodules installed.