ABB ACH550-01 - Real-Time Clock and Timed Functions; What this Chapter Contains

Real-time clock and timed functions 127
ACH550-01 User's Manual
Real-time clock and timed functions
What this chapter contains
This chapter contains the information for real-time clock and
timed functions.
Real-time clock and timed functions
The real-time clock has the following features:
• four daily times
• four weekly times
• timed boost function, e.g. a set constant speed which is on
for a certain pre-programmed time. Activated with a digital
input.
• timer enable with digital inputs
• timed constant speed selection
• timed relay activation.
For more information, see Group 36: TIMED FUNCTIONS.
Note: To be able to use the timed functions, the internal clock
has to be set first. For information on the Time and date mode,
see chapter Start-up and control panel.
Note: The timed functions work only when the control panel
(operator keypad) is connected to the drive.
Note: Removing the control panel for upload/download
purposes does not affect the clock.
Note: Daylight saving changeover is automatic if activated.
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