Siemens 6ES7455-1VS00-0AE0: All-in-One Multi-Loop PID Control Module

Consolidate your process control hardware into one powerful module. The Siemens 6ES7455-1VS00-0AE0 (FM 455-S) is a sophisticated function module. It integrates 16 independent PID controllers with all necessary I/O: analog inputs, digital inputs, and digital outputs. This module is perfect for temperature, pressure, and flow control in process industries.

Detailed Technical Specifications

• Product Model: Siemens 6ES7455-1VS00-0AE0 (FM 455-S Series).
• Control Loops: 16 independent PID controllers (8 with 4-wire Pt100, 16 with other signals).
• Integrated I/O: 16 DI, 32 DO (0.1A), 8/16 AI (14-bit, TC/RTD/U/I).
• Analog Input Accuracy: Basic error limit ±0.4% to ±0.6% at 25°C.
• Digital Outputs: 32 channels, 24V DC, 0.1A rated, with electronic short-circuit protection.
• Power Supply: 24V DC (20.4-28.8V), typical consumption 10.7W.
• Isolation: 500V DC isolation between control channels and the PLC backplane bus.
• Configuration: Pre-programmed control functions configured via dedicated software.

Installation & Connection Details

• Connection: Requires two 48-pin front connectors for the extensive I/O.
• Cable Lengths: Up to 1000m for digital I/O, 200m for analog inputs (50m for low-range TC).
• Module Dimensions: Double-width: 50mm (W) x 290mm (H) x 210mm (D).
• Module Weight: Approximately 1,400 grams.
• Sensor Power: Can supply 2-wire transmitters with a permissible quiescent current up to 1.5mA.

Packaging & Service Information

• Package includes the FM 455-S control module ready for installation and configuration.
• This advanced control module is covered by a 12-month warranty.
• We ensure reliable delivery worldwide using FedEx, UPS, and DHL services.

Expert FAQs for Process Engineers

• What types of control algorithms does it support?
  It primarily provides optimized PID controllers with automatic tuning functionality. It's designed for continuous process control tasks like temperature regulation, not for high-speed motion control.
• Can I use it for both heating and cooling control (split-range)?
  Yes. The module's flexible architecture allows you to configure outputs for different control actions. You can use multiple outputs for one loop to manage both heating and cooling actuators.
• How does it handle thermocouple break detection?
  When configured for thermocouple input, the module can detect wire breaks (open circuit) and can be programmed to respond with a parameterizable substitute value or a specific fault action.
• Are the digital outputs powerful enough to drive small contactors?
  At 0.1A, they are designed for direct connection to small loads like indicator lamps, or to drive the coils of intermediate relays, which then control larger contactors.
• What is the advantage over doing PID control in the main CPU?
  It offloads the computationally intensive, time-critical control loops to its own dedicated processor. This guarantees deterministic, fixed sample time execution regardless of the main PLC's program scan cycle, which is critical for stable process control.

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