ABB ACH550-01 User Manual

154 Serial communications
ACH550-01 User's Manual
Reference signal source selection
Code Setting for fieldbus control & description Range
1102 EXT1/EXT2 SEL -6…12
Defines the source for selecting between the two external control
locations
EXT1 or EXT2. Thus, defines the source for Start/Stop/Direction
commands and reference signals.
8 = COMM – Assigns control of the drive via external control location
EXT1 or EXT2 based on the fieldbus control word.
• Bit 5 of Command Word 1 (parameter 0301) defines the active
external control location (
EXT1 or EXT2).
• See the fieldbus user’s manual for detailed instructions.
1103 REF1 SELECT 0…17
Selects the signal source for external reference
REF1.
8 =
COMM – Defines the fieldbus as the reference source.
9 =
COMM+AI1 – Defines a fieldbus and analogue input 1 (AI1)
combination as the reference source. See Analogue input reference
correction on page 191.
10 =
COMM
*
AI1 – Defines a fieldbus and analogue input 1 (AI1)
combination as the reference source. See Analogue input reference
correction on page 191.
1106 REF2 SELECT 0…19
Selects the signal source for external reference
REF2.
8 =
COMM – Defines the fieldbus as the reference source.
9 =
COMM+AI1 – Defines a fieldbus and analogue input 1 (AI1)
combination as the reference source. See Analogue input reference
correction on page 191.
10 =
COMM
*
AI1 – Defines a fieldbus and analogue input 1 (AI1)
combination as the reference source. See Analogue input reference
correction on page 191.
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ABB ACH550-01 Specifications

General

Brand	ABB
Model	ACH550-01
Category	Controller
Language	English