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Function Blocks
PTMR Periodic Timer Function Block
298
HC900 Hybrid Control Designer Function Block Reference Guide
Revision 11
2/07
Configuration parameters
Table 87 PT function block configuration parameters
Properties Group
Parameter
Index #
Parameter Description
Value or Selection
Block Block
Order
N/A
Read Only. To change
block order, right-click
on a Function Block
and select Execution
Order.
Period Monthly
N/A
Output turns ON once a month for
one scan cycle.
If the current month’s last day is
less than 31 it will turn ON on the
last day of the month.
Reset/Enable:
ON = Hold off output
OFF = Run
Enter
START
-
Day
(Days >31 = 31),
Hour, Minute,
Seconds
Weekly
N/A
Output turns ON once a week for
one scan cycle.
Reset/Enable:
ON = Hold off output
OFF = Run
Enter at
START
-
Day
(Monday through
Sunday),
Hour,
Minute, Seconds
Daily
N/A
Output turns ON once a day for
one scan cycle.
Reset/Enable:
ON = Hold off output
OFF = Run
Enter at
START
-
Hour, Minute,
Seconds
Time/Cycle
N/A
Timer starts at a specific time of
day then output pulses on/off on a
time interval. Once started, start
time is ignored until reset.
Reset Input:
ON = stops cycle and holds off
start
OFF = enables start time
Enter at
START
-
Hour, Minute,
Seconds
Enter at
CYCLE
-
Hour, Minute, Second
Reset/Cycle
N/A
Timer starts on an ON (1) to OFF
(0) transition of the reset input,
then output pulses on/off on a time
interval. Once started, the cycle
continues until the reset turns on.
Reset Input:
ON = stops cycle and holds off
start
OFF = Output turns ON for one
scan cycle at ON to OFF transition
and cycle begins.
Enter at
CYCLE
-
Hour, Minute, Second