ABB ACH550 Bedienungsanleitung Seite 104

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ACH550 User's Manual
100 Wiring and applications
8. Internal timer
This application macro is for applications where the motor is
started and stopped with a built-in timer. This macro has also a
boost function which operates the motor after a digital input 3
(DI3) has been momentarily activated. An example of timer use
is shown below.
For further information see section "Real-time clock and timer
functions".
When using a direct speed reference in AUTO mode, the speed
reference must be connected to analog input 1 (AI1) and the
START command is given with digital input 1 (DI1). In HAND/
OFF mode, the speed reference and START command are
given through the control panel.
If process PI(D) is used, the feedback signal must be connected
to analog input 2 (AI2). Setpoint is set from the control panel as
default but it also can be changed to analog input 1. Process
PI(D) must be commissioned and adjusted with parameters
(Group 40) or using the PID control assistant (recommended).
Mon Tue Wed Thu Fri Sat Sun
Time
Period
1
Time Period 2
Time
Period
3
Time
Period
4
00:00
02:00
04:00
06:00
08:00
10:00
12:00
14:00
16:00
18:00
20:00
22:00
24:00
00Template.book Page 100 Friday, January 2, 2004 2:55 PM
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