PROGRAM PRESET VALUE
*
The factory default values are set to 5.00 for preset 1 and 10.00 for preset 2.
To enter a different value, the operator must enter the Preset Value
Programming Mode by performing the following steps.
Note: During the displaying, changing, and entering of a new preset value, all
functions of the unit are operational (i.e. timing, resetting, outputs activating,
etc.)
FIRST:
Press “P1” or “P2”. This displays the respective preset value, which
remains displayed for approximately 10 seconds after release of the last
button pushed. At this time, the preset display mode can be exited, without
change, by pressing the “E” button.
SECOND:
Once the preset value is displayed, a specific digit can be
incremented by pressing the button directly beneath that digit. Pressing and
holding the button down will continuously scroll the digit from 0 through 9,
then back to 0 again. When the desired value for that digit is reached, release
the button. Repeat this step until the desired preset value is obtained.
THIRD:
Press the “E” button to enter the value into the unit’s memory.
As
Soon As
the “E” button is pressed, the new preset value takes effect. If the
“E” button is not pressed within 10 seconds, the unit returns to normal
display operation with the previous value retained.
PROGRAM TIMED OUTPUT VALUE
*
The factory default Timed Output Value is 0.10 seconds, but can be
programmed from 0.01 to 99.99 seconds. To enter a different value, the operator
must enter the Timed Output Value Programming Mode by performing the
following steps.
Note: During the displaying, changing, and entering of a new timed output
value, all functions of the unit are operational (i.e. timing, resetting, outputs
activating, etc.)
FIRST:
Set S1 Reset EN./DIS. switch to the UP position (Enable).
SECOND:
Press and hold the “P1” or “P2” button and then press the “R”
button. The respective timed output value is displayed and remains displayed
for approximately 10 seconds after release of the last button pushed. At this
time, the timed output display mode can be exited, without change, by
pressing the “E” button.
THIRD:
Once the timed output value is displayed, a specific digit can be
incremented by pressing the button directly beneath that digit. Pressing and
holding the button down will continuously scroll the digit from 0 through 9,
then back to 0 again. When the desired value for that digit is reached, release
the button. Repeat this step until the desired timed output value is obtained.
FOURTH:
Press the “E” button to enter the value into the unit’s memory.
As
Soon As
the “E” button is pressed, the new timed output value takes effect,
if the output is not active at that time. If the output is active at the time of the
change, the new value will take effect the next time the output is activated.
If the “E” button is not pressed within 10 seconds, the unit returns to normal
display operation with the previous value retained.
*
To enter any new data into the LNXNT, the “PGM.DIS.” terminal must be
open or at 5 VDC maximum.
SELF-TEST
The self-test feature can be activated without affecting the time, missing a
preset point, affecting the timed output durations, or interfering with control
functions. This test verifies that all digits operate. Also, the DIP switch settings
and the outputs can be tested.
If the outputs are not tested, the state of the outputs remain the same as they
were prior to self-test. If the outputs are tested in self-test, the outputs will be
off after exiting self-test.
Rapid advance of the self-test routine can be done by pressing and releasing
any of the front panel buttons except for the “R” button.
To enter self-test, press the two left-hand digit buttons (on the front panel)
simultaneously. At this time, the display will cycle all the digits each for about
half a second in the sequence shown below.
DIGITS CYCLED ON THE DISPLAY
000000
111111
222222
333333
444444
555555
666666
777777
888888
999999
BLANK DISPLAY
101010
121212
323232
343434
545454
565656
767676
787878
989898
The next portion of self-test displays a group of four ones and zeros. The two
left-most digits represent the setting of the timer mode DIP switches, with the
first being min/sec and the second being 0.000T/0.00T. When the switch is
“DOWN”, the digit shows a zero. When the switch is “UP”, the digit shows a
one. The third digit always shows a zero. The fourth digit represents program
disable (PGM.DIS). A zero represents a high at this terminal and a one
represents a low. The second set of digits are the settings of the mode select DIP
switches (S2 to S5 at the rear of the unit). This pattern directly corresponds to
the number representing the mode of operation. If the switches are changed
while at this point in the self-test, the settings can be seen to change. These
changes do not affect timer operation immediately, but any changes take effect
when the self-test is exited. When the switch is “DOWN”, the digit shows a
zero. When the switch is “UP”, the digit shows a one.
When the mode switch settings are displayed, the outputs can be tested. To
activate the outputs, press “P1” for output 1 or “P2” for output 2. If no testing
of the outputs is required, press the “E” button until the unit exits self-test (the
unit returns to normal display mode). Also, if no activity occurs on the switches
or the front panel button within 18 seconds after the unit pauses at the mode
switch display, the unit automatically exits self-test.
Note: The “PGM.DIS.” terminal must be open or at 5 VDC for the
outputs to be activated.
Caution:
The operator should use care when testing the outputs, so as
not to cause any undesirable or hazardous conditions in the system.
INITIAL POWER-UP & FACTORY SETTINGS
The following are the values set when shipped from the factory.
Preset 1
=
5.00
Preset 2
=
10.00
Time Value
=
0
Timed Output Values
=
0.10 second
DIP Switch Settings
All switches are moved to the “DOWN” position except for the reset enable
switch, which is moved “UP”. With the switches set in these positions, the unit
is operating in mode zero (latch-on at preset, manual reset to zero). Timing is
selected for seconds with two decimal places.
TROUBLESHOOTING
For further technical assistance, contact technical support at the appropriate
company numbers listed.
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