● Use in potentially explosive atmospheres with appropriate active field distributor.
Field devices in potentially explosive atmospheres zone 1 and zone 0 are possible,
depending on the approvals for the active field distributor used.
● The maximum number of FF devices on the Active Field Distributor depends on the type
of Active Field Distributor.
● Ring redundancy is possible to an FF segment for redundant connections to the automation
system
Properties
● Diagnostics via LEDs
● Cable glands for the FF spur lines to the FF devices
● Connection of the FF main line and the FF stub lines via screw terminals
● Connections protected against polarity reversal
● Power supply via the FF bus
● Suitable for screw mounting on surfaces, or installation on a mounting rail by means of
adapter
● Grounding terminal outside
● The number of FF devices you can connect to an active field distributor differs depending
on the active field distributor version used. (Refer to the DP/PA coupler, Active Field
Distributor, DP/PA Link, and Y Link (
http://support.automation.siemens.com/WW/view/en/
) operating instructions. Up to 31 FF devices can be connected to an FF segment.
● The maximum current that the components on the FF segment require always depends on
the bus link used.
Description of the components
3.2 Active field distributor for connecting FF segments
Compact FF Link
16
Operating Instructions, 03/2015, A5E35651552-AA