ABB Freelance AC800F S800 Controller and Remote I/O System

Overview

ABB FREELANCE • CONTROLLER AND REMOTE I/O

AC800F S800 Control and I/O System

AC 800F process control with S800 distributed I/O connected over PROFIBUS; select the controller and I/O modules for the project.

At a Glance

Brand	ABB
Model	AC800F S800
Product Type	Controller and distributed I/O system
Core Function	Process control and field signal acquisition
Application or Compatible Series	Freelance distributed control system

Controller

AC 800F modular process station with application-specific communication modules.

Remote I/O

S800 distributed modules connect to Freelance controllers via PROFIBUS.

Engineering

Freelance Engineering configures fieldbus lines and connected devices.

Product Overview

AC800F S800 brings together the ABB AC 800F field controller and S800 remote I/O within a Freelance process control architecture. The controller connects remote I/O over PROFIBUS while S800 modules collect and distribute field signals.

The AC 800F CPU, power supply and communication modules, and the S800 interface, termination units and I/O modules are selected to match the installed project. The product image shows the AC 800F controller assembly.

Ordering focus: provide the controller and S800 module order codes together with the fieldbus and redundancy configuration.

Key Functions

Distributed PROFIBUS I/O

S800 remote I/O stations connect to the AC 800F controller over PROFIBUS and can be installed near field instruments.

Modular Fieldbus Integration

The controller accepts application-specific fieldbus modules and can operate PROFIBUS alongside FOUNDATION Fieldbus.

Unified Engineering

Freelance Engineering configures controller fieldbus lines, remote I/O and connected field devices.

Official Specifications

AC 800F Processor	32-bit super scalar RISC processor
AC 800F Application RAM	16 MB SD-RAM with battery backup
AC 800F Cyclic Task Period	Configurable from 5 ms
AC 800F Task Modes	Cyclic, event-driven and PLC mode
AC 800F Fieldbus Gateways	Four fieldbus gateways
AC 800F PROFIBUS Data Rate	Up to 12 MBd
AC 800F Serial Interfaces	RS485, RS422 and RS232
AC 800F Ambient Temperature	0 to 60 °C; no forced cooling required
AC 800F Certifications	CE, NAMUR, UL and ISA-S71.04 (G3)
S800 PROFIBUS Communication Interface Options	CI801 and CI840A
S800 Module Service Options	Hot swapping, online reconfiguration and redundancy
S800 Module Termination	Module Termination Units (MTUs)

Official source:ABB AC 800F brochure, ABB AC 800F technical data, and ABB S800 I/O datasheet.

Frequently Asked Questions

How does AC800F S800 connect the remote I/O?

The controller connects to the distributed I/O through a configured PROFIBUS fieldbus module and an S800 communication interface.

Can AC800F S800 place I/O near field instruments?

The S800 remote I/O can be installed near sensors and actuators and communicates with the controller over PROFIBUS.

Which tool configures AC800F S800?

Freelance Engineering configures the controller fieldbus, connected devices and remote I/O stations.

Can AC800F S800 run PROFIBUS alongside FOUNDATION Fieldbus?

The controller can operate PROFIBUS and FOUNDATION Fieldbus simultaneously when the required fieldbus modules are fitted.

What should I check before selecting an S800 interface for AC800F S800?

Select the PROFIBUS communication interface and redundancy arrangement that match the engineered station design.

Does AC800F S800 support online I/O maintenance?

The S800 family offers hot swapping and online reconfiguration where the selected modules and system configuration support those functions.

Which part numbers should I provide for an AC800F S800 replacement?

Provide the installed controller, fieldbus module, S800 communication interface and I/O module order codes for an exact match.

Compatibility & Ordering Notes

Before ordering AC800F S800: match the installed controller, PROFIBUS module, S800 interface, I/O modules, termination units and project configuration.

Configuration checklist

• Identify every ABB order code in the installed AC 800F and S800 stations.
• Confirm the PROFIBUS communication interface and the required redundancy design.
• Match the S800 I/O modules and Module Termination Units to the engineered configuration.

Hot Selling Models