Chapter 6 – Firmware Description
6-8
ACA 635 IGBT Supply Sections
Start via Fieldbus
To enable the fieldbus control Parameter 98.01 COMMAND SEL must
be set to MCW. The DC bus can be charged and the modulator started
separately via fieldbus. The DC bus can be charged in two ways:
1. by rising edge of Parameter 7.01 MAIN CTRL WORD bit 0 and
simultaneous high level of digital input DI2 (starting switch on the
cabinet door in position 1).
2. by rising edge of digital input DI2 (from starting switch) and
simultaneous high level of Parameter 7.01 MAIN CTRL WORD bit
0
The modulator is started by high level of Parameter 7.01 MAIN CTRL
WORD bit 3, and stopped by low level of bit 3. The modulator can be
started only after the charging of the DC bus is completed.
Parameter 7.01 MAIN
CTRL WORD bit 0
Charging contactor
Main contactor
0.5 s
2.5 s
High level of digital
input DI2
Digital input DI2
Charging contactor
Main contactor
0.5 s
2.5 s
Parameter 7.01 MAIN
CTRL WORD bit 0 = 1
Modulating:
Parameter 7.01
MAIN CTRL WORD
bit 3
Synchronization
6 ms
Содержание ACS 600 MultiDrive
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