PEPPER+FUCHS KFD2 SERIES

There are four basic types of digital output modules:

 1 Supervisory Digital Output Module 2 DC voltage digital 

output module 3 AC voltage digital output module 4 dual channel DC digital output module, 

each digital output module contains three identical separate circuits isolated from each other. 

Each sub-circuit contains an IOP microprocessor that receives its output table from the IOC communication processor on the corresponding main processor.

 All digital output modules, with the exception of the dual-channel DC module, 

use “Quad output voting”,

which votes on individual output signals just before they are sent to the load. 

PEPPER+FUCHS KFD2-STC5-1.20 

 PEPPER+FUCHS KFD2-STC5-2

PEPPER+FUCHS KFD2-STC5-EX1.2

PEPPER+FUCHS KFD2-STCD-1

More Series

This voting circuit is based on a parallel serial path, 

which is passed by a vote of two out of three 

when either a and B, or B and C, or a and C are closed. 

The dual-channel digital output module has a single serial channel, 

and the two-for-three voting process acts on each switch separately. 

Quadrilateral output voting circuits provide multiple redundancy for all critical channels, 

ensuring security and maximum utilization. 

The dual-channel output module gives just enough redundancy to ensure safe operation.

 The dual-channel output module is more suitable for critical safety situations 

where low cost is more important than maximum utilization.