Reference signal source selection
Code Setting for fieldbus control & description Range
1102 EXT1/EXT2 SEL
Defines the source for selecting between the two external control
locations
EXT
commands and reference signals.
8 =
– Assigns control of the drive via external control location
COMM
1 or
EXT
EXT
• Bit 5 of Command Word 1 (parameter 0301) defines the active
external control location (
• See the fieldbus user's manual for detailed instructions.
1103 REF1 SELECT
Selects the signal source for external reference
8 =
– Defines the fieldbus as the reference source.
COMM
9 =
+
COMM
AI
combination as the reference source. See
correction
10 =
COMM
AI
*
combination as the reference source. See
correction
1106 REF2 SELECT
Selects the signal source for external reference
8 =
– Defines the fieldbus as the reference source.
COMM
9 =
+
COMM
AI
combination as the reference source. See
correction
10 =
COMM
AI
*
combination as the reference source. See
correction
154
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1 or
2. Thus, defines the source for Start/Stop/Direction
EXT
2 based on the fieldbus control word.
EXT
1 – Defines a fieldbus and analogue input 1 (
on page 191.
1 – Defines a fieldbus and analogue input 1 (
on page 191.
1 – Defines a fieldbus and analogue input 1 (
on page 191.
1 – Defines a fieldbus and analogue input 1 (
on page 191.
ACH550-01 User's Manual
-6...12
1 or
2).
EXT
0...17
1.
REF
Analogue input reference
Analogue input reference
0...19
2.
REF
Analogue input reference
Analogue input reference
Serial communications
1)
AI
1)
AI
1)
AI
1)
AI