Powtier Controls Limited
Tipping Bucket Controller
Instruction Manual
Mode of operation
All the parameters in the TBC can be accessed by pressing the scroll button. All the
parameters can be set within their limits using the UP and DOWN button.
The following are the list of parameters:
Symbol
Desctiption
Low Limit
High Limit
Default
Unit
t
tipping On time
3
30
5
second
P
tipping Off period
3
12
5
minute
When the timer is On, the display will show the On period being count down when the output
is On; and the display will show the Off period being count down when the output is Off.
The TBC is designed such that when the external volt-free contact input is closed, the timer
output will be switched On for the duration according to the On setting. The output is
switched Off for a period according to the Off setting. The cycle will repeat until the external
volt-free contact is open.
The cycle always starts with the On period.
Whenever the external input is open, the timer output will be switched Off.
The timer control range is between 3 to 30 seconds in steps of 1 second for the ON period,
and 3 to 12 minutes in steps of 1 minute for the OFF period.
TBC Instruction Manual.odt
Page 9
31 October 2005
Issue 1.0
