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

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12.6.5 Enabling the power level/24 V isolation

The MINI-COMBICON connector for terminal strip X18 (enable power level/24 V isola-

tion) is under the upper release flap of a power-level terminal.

Figure 12-23 Assignment of the enable power level/24 V isolation connection

The control voltage for the power level and the brake is supplied via pin 2 of the

MINICOMBICON connector. The power level cannot be controlled without the 24 V con-

trol voltage.

The segment voltage U

S

is used to enable the power level and can be made available

using a jumper or a switch:

1 By default upon delivery, terminal strip X18 is supplied with a jumper inserted be-

tween pins 1 and 2.

If no switch is connected to X18, the jumper can remain inserted. The power level of

the power-level terminal is enabled because the 24 V segment voltage is directly

available.

2 If an external switch is connected between pins 1 and 2 on terminal strip X18, the

power level of the power-level terminal is enabled when the switch is closed.

For additional information and safety notes, please refer to the data sheets for the

power-level terminals.

Table 12-9 Enable power level X18 (MINI-COMBICON)

Pin X18 (enable)

1 1 (24 V DC segment voltage U

S

)

2 2 (enable power level)

12

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