
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).
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