The structure of the field level

For the field level, ABB offers an extensive

selection of devices that are fine-tuned to meet

the needs of the relevant area of use. Thanks to

established communication standards, integra

tion into the process level is quite simple.

Using Profibus connected with the AC 800F

controller, it is also possible to implement

remote I/Os. In the form of its S800 and S900

I/O systems, ABB provides the ideal means of

connecting a large number of sensors and actuators.

The choice of fieldbus type

In accordance with the concept of plug & pro

duce, exchangeable fieldbus modules make it

easier to implement quick adjustments. Free

lance 800F allows the integration of all impor

tant fieldbuses – leaving the user free to choose.

The following are supported:

• PROFIBUS-DPV1/PA

• FOUNDATION Fieldbus HSE/H1

• HART via remote I/O

• MODBUS Master and Slave

• CAN for Freelance Rack I/O

• Telecontrol protocol IEC870-5-101

Various types of fieldbus can even be operated

in parallel in a single AC 800F controller. This

proves to be a real advantage if the task at

hand specifies, which fieldbus type is to be used in each case.