Inverter - ABB ACA 6 Series Hardware Manual

Chapter 1 – Introduction

Inverter

1-4
• Optional modules (I/O extension and fieldbus adapter modules,
pulse encoder interface module etc.)
• Other options.
The inverter contains an IGBT output bridge which forms controlled
a.c. voltage from the intermediate circuit d.c. voltage. An inverter
controls one motor.
Frame Size An Inverter (ACN 634 xxxx) contains
R2i to R9i one inverter module
three phase modules (ACN 644 xxxx) = one inverter
R10i to R12i
2 x R11i, 2 x R12i two times three phase modules (ACN 644 xxxx) = two phase
module blocks Þ one inverter
4 x R11i, 4 x R12i four times three phase modules (ACN 644 xxxx) = four phase
module blocks Þ one inverter
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