ABB ACH550 User Manual Page 186

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182 Parameter listing and descriptions
ACH550 User's Manual
Group 10: Start/Stop/Dir
This group:
Defines external sources (EXT1, and EXT2) for commands
that enable start, stop and direction changes.
Locks direction or enables direction control. To select
between the two external locations use the next group,
parameter 1102.
.
0413 PREVIOUS FAULT 2 as Par.0401
Fault code of the third last fault. Read-only.
Code Description Range
1001 EXT1 COMMANDS 0...14
Defines external control location 1 (
EXT1) – the configuration of
start, stop and direction commands.
0 = NOT SEL – No external start, stop and direction command
source.
1 =
DI1 – Two-wire Start/Stop.
• Start/Stop is through digital input
DI1 (DI1 activated = Start; DI1
de-activated = Stop).
• Parameter 1003 defines the direction. Selecting 1003 = 3
(request) is the same as 1003 = 1 (fwd).
2 =
DI1, 2 – Two-wire Start/Stop, Direction.
Start/Stop is through digital input
DI1 (DI1 activated = Start; DI1 de-
activated = Stop).
Direction control (requires parameter 1003 = 3 (request)) is
through digital input
DI2 (DI2 activated = Reverse; de-activated =
Forward).
3 =
DI1P, 2P – Three-wire Start/Stop.
• Start/Stop commands are through momentary push-buttons (the
P stands for “pulse”).
Start is through a normally open push-button connected to digital
input
DI1. In order to start the drive, the digital input DI2 must be
activated prior the pulse in
DI1.
• Connect multiple Start push-buttons in parallel.
• Stop is through a normally closed push-button connected to
digital input
DI2.
• Connect multiple Stop push-buttons in series.
Parameter 1003 defines the direction. Selecting 1003 = 3 (
REQUEST)
is the same as 1003 = 1 (
FWD).
00Template.book Page 182 Friday, January 2, 2004 2:55 PM
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