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

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5.2.6.2 Power terminals

A power terminal is used to supply the required voltages to the internal station potential

jumpers. Several power terminals can be used in one station. This means that different

circuits can be electrically isolated and areas with different voltages can be created

within the station (e.g., 24 V DC and 230 V AC).

All power terminals are used to supply the main voltage and/or segment voltage.

A 24 V supply voltage is also supplied at the IB IL 24 PWR IN/R-PAC and

IB IL 24 PWR IN/PS-PAC terminals, from which the communications power U

L

and the

analog voltage U

ANA

are generated. These terminals are mainly designed to boost the

communications power and analog voltage when the maximum current carrying capacity

of the potential jumpers for U

L

/U

ANA

or the maximum current carrying capacity of the bus

coupler for U

L

/U

ANA

is reached.

Figure 5-4 Example of a power terminal: IB IL 24 PWR IN-PAC

Voltage areas Depending on the power terminal, it is possible to work with 24 V DC, 120 V AC or

230 V AC within an Inline station.

To utilize different voltage areas within a station, a new power terminal must be used for

each area.

WARNING: Dangerous contact voltage

When the power terminal is removed, the metal contacts are freely accessible. With

120 V AC or 230 V AC power terminals, it should be assumed that dangerous con-

tact voltage is present. You must disconnect power to the station before removing

a terminal.

If these instructions are not followed, there is a danger of damage to health or

even of a life-threatening injury.

Observe safety notes

Observe the notes provided in Section “Important information about voltage areas”

on page 16 when using voltages outside the SELV area.

UM

P

W

R

IN

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