Pro-face GP-2500 Bedienungsanleitung PDF herunterladen (Seite 42)

Chapter 3 - Installation and Wiring

GP-2400/2500/2600 Series User Manual 3-9

3.2.3 Grounding

(a) Exclusive Grounding (BEST)

Connect the FG terminal found at the back of

the GP to an exclusive ground. [diagram (a)].

(b) Common Grounding (OK)

• Check that the grounding re-

sistance is less than 100

ΩΩ

Ω

• The SG and FG terminals are

connected internally in the

GP unit.

• When connecting the SG line

to another device, be sure

that the design of the system/

connection does not produce

a shorting loop.

• The grounding wire should

have a cross sectional area

greater than 2mm

. Create

the connection point as close

to the GP unit as possible,

and make the wire as short,

as possible. When using a

long grounding wire, replace

the thin wire with a thicker

wire, and place it in a duct.

Input and output signal lines must be separated from the power control cables for

operating circuits.

f this is not possible, use a shielded cable and connect the shield to the GP’s frame.

3.2.4 I/O Signal Line Placement

If exclusive grounding is not possible, use a

common connection point. [diagram (b)]

If the equipment does not function

properly when grounded, disconnect

the ground wire from the FG termi-

nal.

*1 Use a grounding resistance of less than 100W and a 2mm

or greater thickness wire,

or your country’s applicable standard. For details, contact your local GP distributor.

Do not use common grounding, since it can lead to an acci-

dent or machine breakdown.

CAUTION

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