InteliMains
NT
, SW version 3.2.0
InteliMains-NT-MCB-MGCB-3.2.0-Reference Guide.pdf,
©ComAp – April 2015
119
7.15 General Purpose Timers
There are 16 general-purpose timers in the controller, each 4 of them are joined together to one
output. That means there are 4 fully independent timer blocks including 4 timer channels each. The
combined
outputs
from
the
timer
blocks
are
T
IMER
A
CT
1-4
,
T
IMER
A
CT
5-8
,
T
IMER
A
CT
9-
12
AND
T
IMER
A
CT
13-16
.
The timers are intended for scheduling of any operations such as e.g. periodic tests of the gen-set,
scheduled transfer of the load to the gen-set prior to an expected disconection of the mains etc. Each
timer channel can be activated only once within a single day. The activation time and duration of each
channel is adjustable (both as hh:mm).
7.15.1 Timer modes
Available modes of each timer:
O
NCE
This is a single shot mode. The timer will be activated only once at preset
date/time for preset duration.
D
AILY
The timer is activated every "x-th" day. The day period "x" is adjustable.
Weekends can be excluded. E.g. the timer can be adjusted to every 2nd day
excluding saturdays and sundays.
W
EEKLY
The timer is activated every "x-th" week on selected weekdays. The week period
"x" is adjustable. E.g. the timer can be adjusted to every 2nd week on monday
and friday.
M
ONTHLY
The timer is activated every "x-th" month on the selected day. The requested day
can be selected either as "y-th" day in the month or as "y-th" weekday in the
month. E.g. the timer can be adjusted to every 1st month on 1st tuesday.
S
HORT PERIOD
The timer is repeated with adjusted period (hh:mm). The timer duration is
included in the preriod.
The mode of each timer channel is adjusted by an assigned setpoint. The setpoints are located int
the
Timer settings
group and can be adjusted via InteliMonitor and GenConfig.
Figure:
Principial scheme of one block containing 4 timers
E
XAMPLE
:
Below is an example how to use the timers for periodic tests of the gen-set performed every sunday
with duration of 30 minutes and also for scheduled transfer of the load before expected mains failure
announced by the local electricity distribution company to 1.5.2010 from 01:00 to 04:00.
1. The output
T
IMER
A
CT
1-4
is configured internally in GenConfig (LBI tab) to the logical binary
inputs
R
EMOTE
TEST
and
T
EST
ON
LOAD
.
2. The setpoint
Timer settings:
TimerChannel 1
is adjusted to "repeated" mode, "weekly" period,
only sundays, starting date/time next sunday at 0:00, timer duration 0:30 min.
