Serial communications
155
ACH550 User's Manual
Reference 1
. Reference 1 is a 16-bit word comprising of a sign
bit and a 15-bit integer. It can be used as the primary reference
(speed or frequency), REF1. A negative reference (indicating
reversed rotation direction) is indicated by the two's complement
of the corresponding positive reference value.
The required parameter settings are:
• Use 1102
EXT
1/
EXT
2
SEL
to identify the control input that
selects between
EXT
1 and
EXT
2. Then that control input must
select
EXT
1.
• 1103
REF
1
SELECT
= 8 (
COMM
), 9 (
COMM
+
AI
1), or
10 (
COMM
*
AI
1).
Reference 2
. Reference 2 is a 16-bit word comprising of a sign
bit and a 15-bit integer. It can be used as the secondary
reference (speed, frequency, torque, PID), REF2. A negative
reference (indicating reversed rotation direction) is indicated by
the two's complement of the corresponding positive reference
value.
The required parameter settings are:
• Use 1102
EXT
1/
EXT
2
SEL
to identify the control input that
selects between
EXT
1 and
EXT
2. Then that control input must
select
EXT
2.
• 1106
REF
2
SELECT
= 8 (
COMM
), 9 (
COMM
+
AI
1), or
10 (
COMM
*
AI
1).
Summary of Contents for ACH550-01
Page 1: ...ACH550 User s Manual ACH550 01 Drives 0 75 110 kW ACH550 UH Drives 1 150 HP ABB ...
Page 10: ...Update Notice 8 ...
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Page 50: ...38 Preparing for installation ACH550 User s Manual ...
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Page 409: ...Technical data 397 ACH550 User s Manual Frame size R1 IP54 UL Type 12 ...
Page 410: ...398 Technical data ACH550 User s Manual Frame size R2 IP54 UL Type 12 ...
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Page 415: ...Technical data 403 ACH550 User s Manual Frame size R1 IP21 UL Type 1 ...
Page 416: ...404 Technical data ACH550 User s Manual Frame size R2 IP21 UL Type 1 ...
Page 417: ...Technical data 405 ACH550 User s Manual Frame size R3 IP21 UL Type 1 ...
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