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

Handleiding

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Potential jumpers The power terminal interrupts all potential jumpers for the voltages to be reinjected, and

recreates all potential jumpers (see also Section “Electrical potential and data routing

(Inline)” 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.

Electrical isolation The power terminal is used to create electrically isolated I/O areas within a station.

Functional grounding

(24 V DC)

24 V power terminals are connected to functional ground when they are snapped onto the

grounded DIN rail via the FE spring on the bottom of the terminal. This spring is connected

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

If the previous terminal is a 24 V terminal, the power terminal is connected to the FE po-

tential jumper of the station when it is snapped onto this terminal.

Required additional func-

tional grounding (24 V DC)

A 120 V AC and 230 V AC voltage level area interrupts the FE jumper, which is connected

to FE via the additional functional grounding at the bus coupler. A 24 V DC power terminal

that is at a different voltage area must therefore be reconnected to functional ground via

the FE connection to ensure reliable functional grounding of the station even if the FE

spring is dirty or damaged. Connect the terminal points for the FE connection to a

grounded PE terminal (see Section “Grounding concept” on page 112).

Protective grounding

(120 V AC/230 V AC)

The PE terminal point of the power connector connects the 120 V AC and 230 V AC power

terminals to protective ground (PE). This terminal point is connected to the PE potential

jumper, which is led through the entire 120 V AC or 230 V AC voltage area.

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

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

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