DB Drive Speed Series Amplifier SPA SPA150.4 Manual de instrucciones descargar pdf (Pagina 43)

2. Specifications

2 - 23

2-3-2 Precautions for installing multiple power supply units

The methods for installing the two spindles are explained here as an example for installing multiple

power supply units.

NC(PC)

NFB1(No.1)

00VAC

AC rector

(B-AL No.1)

Contactor (No.1)

L+, L-

L11, L21

MC1

MDS-C1-SPA (No.1) MDS-C1-CV (No.1)

L1, L2, L3

L+, L-

L11, L21

MC1

MDS-C1-SPA (No.2)

L1, L2, L3

MDS-C1-CV (No.2)

NFB1 (No.2)

AC reactor

(B-AL No.2)

Contactor (No.2)

(1) Connecting the L+, L-, L11 and L21 link bars

Connect the L+ and L- link bars independently with C1-CV(No.1) and C1-CV(No.2) as shown above.

Make sure that both C1-CV link bars are not short-circuited when connected.

(2) Connecting and selecting NFB1, contactor and AC reactor

An NFB1, a contactor and an AC reactor must be installed independently to each power supply as

shown above. (These cannot be shared.) Note that the contactor, excluding C1-CV-370, can be

omitted.

(3) Connecting the MC1 terminal (A/B-CV)

When using the contactor, set the C1-CV rotary switch to "0", and when not using, set to "1".

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DB Drive Speed Series Amplifier SPA SPA150.4 Manual de instrucciones Pagina 43