2 external device connections and grounding, 1 lf600f type, Toshiba – Toshiba LF600F User Manual

Page 24

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TOSHIBA

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5.2 External Device Connections and Grounding

5.2.1 LF600F Type

LF600F

The terminal board connections of an integral type converter LF600F are shown in Figure 5.1.
Proceed with wiring as described in Section 5.4, “Wiring Procedure.”

[Instrumentation panel: Customer]

(Receiving side)

Ground terminal

IV wire

5.5mm^ or more

Power cable (CW)

* For a 2-core cable, L1

and L2 only.

Current output

(4-20mAdc)

or PROFIBUS

Digital output 1

Common for DI/DO

— Digital output 2

“ Digital input

(20to30Vdc)

NOTE:

To avoid 2-point grounding,

ground the shield of the output

cable basically at the receiving

side.

(100 ohm or less
ground resistance)

(100 ohm or less

ground resistance)

Power supply

Wiring breaker

(double-pole/single-throw)

Figure 5.1 External Wiring Schematic Diagram

* Use a heavy copper braid or wire (cross-sectional area 5.5 mm^ minimum) to ground the

terminal and make it as short as possible as shown in Figure 5.1 for grounding.
Also, Avoid a common ground where earth current may flow. (An independent ground is

preferable.)

* The converter has no power switch. Install the power switch at the system side. Be sure to use a

double-pole/single-throw (both disconnection) wiring breaker.

This manual is related to the following products:

LF602F