Momentum Modbus Plus 170 PNT Series Guia do Utilizador descarregar pdf (Página 91)

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101

Assembling Momentum Components

870USE10110 July 2004 91

Mounting the Assembled Adapters on the I/O Base

Overview This section gives guidelines, safety instructions and a procedure for mounting the

assembled processor and option adapter on an I/O base.

Guidelines The assembled adapters connect with the I/O base at these seven points:

Two plastic snaps on the front of the option adapter fit into two slots on the front

of the I/O base

The plastic snap extensions on the two sides of the option adapter fit into the two

slots on the sides of the I/O base

The 12-pin connectors on the center of the back walls of the two units mate

together

The plastic stirrup on the back of the option adapter clips onto the bottom of the

I/O base

EXPOSED ELECTRICAL CIRCUITRY

Electrical circuitry on the I/O base may be exposed when an adapter is not

mounted.

Ensure that power is not present.

Mount the adapter onto the I/O base before inserting the wiring connectors.

If an I/O base has no Momentum adapter mounted,

Ensure that the I/O base receives no power.

When more than one connector is attached to the I/O base,

Remove all connectors to prevent the unit from receiving power from an

unexpected source.

Failure to follow this instruction can result in injury or equipment damage.

CAUTION

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