Phoenix Contact IB IL AO 4/U/0-10-ECO Handleiding (190 Pagina's)

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5.2.6.3 Segment terminals

Segment terminals can only be used in the 24 V DC area. Segment terminals can be used

to create partial circuits (segment circuits) within the main circuit.

On segment terminals without a fuse, the connection between the main circuit U

M

and the

segment circuit U

S

must be established using a jumper or a switch. Segment terminals

with a fuse establish this connection automatically.

Figure 5-5 Example of a segment terminal: IB IL 24 SEG-PAC

U

M

The potential jumper for the main circuit U

M

is not interrupted in the segment terminal.

The potential for the segment circuit U

S

is tapped from the potential jumper at the seg-

ment terminal.

U

S

The segment terminal interrupts the segment circuit U

S

in the potential jumper of the pre-

vious terminal.

For more detailed information about the supply voltages, please refer to Section “Circuits

and provision of supply voltages” on page 80.

Carrying capacity of the

jumper contacts

The maximum current carrying capacity of the jumper contacts on the side is specified in

Section “Current and voltage distribution” on page 91.

Functional grounding The terminal is connected to functional ground when it is snapped onto the grounded DIN

rail via the FE spring on the bottom of the terminal. This spring is connected to the FE po-

tential jumper and to the terminal points for an FE connection.

When snapped onto the previous terminal, the segment terminal is connected to the FE

potential jumper of the station.

Additional documentation For more detailed information about the function, properties, and wiring of the indi-

vidual terminals, please refer to the terminal-specific documentation.

US

S

E

G

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