KEB combivert R6-S - Page 118

Page 3.8 - 4 COMBIVERT R6-S © KEB, 2008-02
Special functions
Timer / Mode (LE.21 / LE.26)
LE.21 and LE.26 determine the clock source and the counting direction of timer 1 and 2. Clock pulse source can
be the time counter in 0.01s or 0.01h grid, pulses from a digital input. The timer runs generally as long as a star-
tingconditionisactive.Afteraresetthetimerstartsagainatzero.Followingclocksourcescanbeselected:
LE.21 / LE.26: Timer 1 / 2 Mode
Bit Meaning Value Explanation
0...2
Selection clock
pulse source
0:0,01s(internallyclock)
The timer value increases / decreases every 10 ms by
0.01.
1:0,01h(internally
clock)
The timer value increases / decreases every 36s by
0.01.
2:everyslopeT1-I3/
T2-I4
Each slope on I3 (for timer 1) or I4 (for timer 2) incre-
ases / decreases the timer value by 0.01.
3:positiveslopeT1-I3/
T2-I4
A rising slope on I3 (for timer 1) or I4 (for timer 2) incre-
ases / decreases the timer value by 0,01.
4...7:reserved
3, 4
Counting direc-
tion
0:Upward The counting direction of the timer is always upwards
24:downwards
Timer / start condition (LE.18 / LE.23)
The conditions when the timer is started can be selected from the following table. The individual conditions are
OR-operated with the timer start input selection (LE.17/ LE.22).
LE.18 / LE.23: Timer / Starting condition
Bit Value Timer / Starting condition
0 1 Modulation on
1 2 Modulation off
In case of several starting conditions the values are to be added up.
Timer start input selection (LE.17 / LE.22)
Additionally the timer can be activated by one or several inputs. The sum of the valences is to be entered, if
the timer shall be started by different inputs The individual inputs are OR-operated. The start input selection is
OR-operated with the timer / starting condition (LE.18 / LE.22).