ABB ACH550 series, User Manual

Page: 189 / 478

184 Parameter listing and descriptions
ACH550-01 User's Manual
Group 10: START/STOP/DIR
This group:
• defines external sources (
EXT
1, and
EXT
2) for commands that
enable start, stop and direction changes
• locks direction or enables direction control. To select
between the two external locations, use parameter 1102 in
the next group.
Code Description Range
1001 EXT1 COMMANDS 0…14
Defines external control location 1 (
EXT
1) – the configuration of start,
stop and direction commands.
0 =
NOT SEL
– No external start, stop and direction command source
1 =
DI
1 – Two-wire Start/Stop
• Start/Stop is through digital input
DI
1 (
DI
1 activated = Start;
DI
1 de-
activated = Stop).
• Parameter 1003 defines the direction. Selecting 1003 = 3 (
REQUEST
)
is the same as 1003 = 1 (
FORWARD
).
2 =
DI
1,2 – Two-wire Start/Stop, Direction
• Start/Stop is through digital input
DI
1 (
DI
1 activated = Start;
DI
1 de-
activated = Stop).
• Direction control [requires parameter 1003 = 3 (
REQUEST
)] is through
digital input
DI
2 (
DI
2 activated = Reverse;
DI
2 de-activated =
Forward).
3 =
DI
1
P
,2
P
– 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
DI
1. In order to start the drive, the digital input
DI
2 must be
activated prior the pulse in
DI
1.
• Connect multiple Start push-buttons in parallel.
• Stop is through a normally closed push-button connected to digital
input
DI
2.
• Connect multiple Stop push-buttons in series.
• Parameter 1003 defines the direction. Selecting 1003 = 3 (
REQUEST
)
is the same as 1003 = 1 (
FORWARD
).
4 =
DI
1
P
,2
P
,3 – Three-wire Start/Stop, Direction
• Start/Stop commands are through momentary push-buttons, as
described for
DI
1
P
,2
P
.
• Direction control [requires parameter 1003 = 3 (
REQUEST
)] is through
digital input
DI
3.
(
DI
3 activated = Reverse;
DI
3 de-activated = Forward).
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