Power Feed Module

KFD2-EB2.SP

technology

Power feed module with spring terminals

Function

The power feed module supplies the Power Rail with a voltage of 24 V DC and a maximum current of 4 A.

In the event of a device fault or a wiring fault of any isolator on the Power Rail, the collective error messaging relay alerts the controller via a binary

I/O point. This relay can be configured as normally-open or normally-closed.

A green LED on the front of the device indicates the power state, and a red LED lights up during a fault condition.

In the sense of functional safety (SIL) the device provides no dangerous failures. Thereby the safe condition of the supplied isolators must be

defined as the de-energized state. Thus the device will not influence the safety calculation or the SIL value.

This device is compatible with all versions of the Power Rail.

Connection

KFD2-EB2.SP

7

10

24 V DC

9-

12-

8+

11+

Power Rail

24V DC

Fault

5 AT

Zone 2

Technical Data

Supply

Connection

terminals 11+, 12-

terminals 8+, 9-

Rated voltage

20 ... 30 V DC

The maximum rated operating voltage of the devices plugged onto the Power Rail

must not be exceeded.

Fusing

5 AT/250 V AC

recommended maximum utilization of the fuse: 80 %

Power dissipation

≤ 1 W

Output

Connection

Power Rail

1

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