Siemens 6ES7455-0VS00-0AE0 - Advanced 16-Channel PID Control Module

Master complex process control with the Siemens 6ES7455-0VS00-0AE0 FM 455 C. This is a powerful, all-in-one control module for the SIMATIC S7-400 PLC, integrating 16 independent PID controllers with dedicated analog I/O. It handles temperature, pressure, flow, and level control loops autonomously, offloading the main CPU for faster, more reliable process automation in applications like chemical processing, HVAC, and batch manufacturing.

Complete Technical Specifications

Brand & Series: Siemens SIMATIC S7-400

Full Model Number: 6ES7455-0VS00-0AE0 (Function Module FM 455 C, Continuous Control)

Module Type: 16-Channel PID Control Module with Analog & Digital I/O

Control Loops: 16 Independent PID Controllers

Analog Inputs: 16 channels (for T/C, 2-wire), 8 channels (for Pt100 RTD, 4-wire)

Analog Outputs: 16 channels (Voltage: 0/±10V, Current: 0/4-20mA, ±20mA)

Digital Inputs: 16 channels, 24V DC

Input Signals: Voltage, Current, Thermocouple (B, J, K, R, S), Pt100 RTD

Resolution: 12-bit or 14-bit selectable

Basic Accuracy (at 25°C): Approx. ±0.5% of range (I/O)

Output Settling Time: As fast as 0.1 ms (resistive load)

Supply Voltage: 24V DC (20.4V - 28.8V)

Power Loss: Typically 12 W (Max 17.3 W)

Cable Length: Up to 1000m (Digital), 200m (Analog, 50m for low mV/T/C)

Front Connectors: 2 x 48-pin required

Dimensions (W x H x D): 50 mm x 290 mm x 210 mm

Weight: Approximately 1400 g

Installation & Application Guide

Install the 6ES7455-0VS00-0AE0 FM 455 C into your S7-400 rack. Connect your process sensors (thermocouples, RTDs, 4-20mA transmitters) to the analog inputs and your final control elements (control valves, I/P converters, drives) to the analog outputs. The digital inputs can be used for run/permit signals. Configuration and tuning are done via dedicated software in the Siemens STEP 7 environment.

Package Contents & Warranty

What's Included: 1 x Siemens FM 455 C Control Module (6ES7455-0VS00-0AE0).

Our Guarantee: This product is covered by a full 12-month warranty.

Fast Global Shipping

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Frequently Asked Questions (FAQ)

What is the advantage over doing PID control in the main CPU?

This module provides dedicated, hardware-based control with much faster and more consistent loop update times. It doesn't get delayed by other PLC tasks, leading to more stable control, especially for fast or critical loops.

Can it handle different types of control loops simultaneously?

Yes. You can configure each of the 16 channels independently. One channel could control temperature with a thermocouple, the next could control pressure with a 4-20mA input, and another could control flow, all at the same time.

What control functions does it include?

Beyond standard PID, it supports features essential for industrial processes: manual/automatic switching, output limiting, setpoint ramping, feedforward control, and programmable alarming for deviations or sensor faults.

How do I connect a 2-wire 4-20mA transmitter?

Connect it directly to a current input channel. The module can typically supply the loop power for the transmitter, simplifying wiring (check specific channel capabilities in the manual).

Is programming knowledge required?

You need to configure the module using its specific parameterization interface in STEP 7, which is more like filling out function blocks and forms rather than writing traditional code. A basic understanding of control loop tuning (P, I, D gains) is necessary.

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