ABB ACS800-17 - Block Diagram: Reference Select; Fieldbus Control of the Line-Side Converter

The ACS800-17
41
Fieldbus control of the line-side converter
Fieldbus control of the line-side converter is performed via the motor-side converter
RMIO board as shown in the block diagram below.
Block diagram: reference select
The figure below shows the parameters for DC and reactive power reference
selection in the ACS800 Standard Control Program. AMC table contains actual
values and parameters of the line converter.
Dataset 123 (CH1)
95.08 LCU PAR1 SEL
95.09 LCU PAR2 SEL
+
+
24.04
Dataset 122 (CH0)
MSW (fixed)
106 (value)
110 (value)
PARAM 23.01
AI1
AI2
AI3
FIELD BUS
11.01 DC REF SELECT
23.01
Dataset 121 (CH0)
MCW (fixed)
Q-REF(fixed)
DC REF(fixed)
Dataset 121 (CH1)
MCW
95.06 LCU Q PW REF
95.07 LCU DC REF
Dataset 122 (CH1)
MSW
9.12 LCU ACT SIGNAL 1
9.13 LCU ACT SIGNAL 2
98.02 COMM. MODULE
= INU COM LIM
MCW = Main Control Word
MSW = Main Status Word
DC VOLT REF
Dataset 123 (CH0)
106
110
PARAM 24.01
AI1
AI2
AI3
PARAM 24.02
24.03 Q POWER REF2 SEL
PERCENT
kVAr
PHI
COSPHI
24.02
11.02 Q REF SELECT
24.01
Q POWER REF
Inverter RMIO
board
Line converter RMIO board
AMC
table