CDA PC44 Instruções de Operação descarregar pdf (Página 51)

Keyed

Lock

Out

Switch

Installation

O<dso

poration

1993

M Rights Reserved

Installation 3-29

NOTE: This

itch is not intended to be installed in the PC40.

can be

mounted on a remote panel,

etc

The

Nordson Keyed Lock

Out

Switch

an A-lock type, 4-tumbler

switch that prevents any input

via

the PC40 user interface.

NOTE: When both the Keyed Lock

Out

Switch

and

Rotary Select

Switch

are installed, both

must

connected as either sourcing devices

sinking devices. Figure 3.18 shows the wiring for the Keyed Lock

Out Switch

a sourcing device. Figure 3.19 shows the wiring for the

itch as a sinking device.

Secure the

itch

the mounting surface.

If you have

not

already done so, temporarily mount the front

assembly to the back enclosure by doing the following:

Loosen the six screws on the front assembly.

Remove the two top screws (Figure 3.5).

c. Rotate the front assembly

1eo•

(Figure 3.6).

d. Push the two screws through the top two front assembly holes

(Figure 3.7, view A).

Insert the two screws into the two back enclosure stand-offs

(Figure 3.7, view A).

f. Tighten the two screws

secure the front assembly to the back

enclosure (Figure 3.7, vi

WARNING: Risk

electrocution. The AC input power line to

the

PC40 provides voltage that can cause

rsonal injury

death. Before making any electrical connections, disconnect

and lock out power to the main circuit breaker for the input

power

line (Figure 3.8) .

WARNING: Shock hazard. Touching bare wires in the PC40

can result in shock that can cause personal injury

death.

When making electrical connections, make sure

strip only

as much insulation from the wires as needed. Also, make

sure that the insulation fits snugly against the

PC40 terminal

blocks.

PIN 1

389

57-

/93

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