red lion CUB 1, Руководство пользователя

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SECOND: Press the digit button which corresponds to the desired decimal
point position. A decimal point will appear to the right of the digit selected.
If the right- most digit button (P1) is selected, the decimal point is turned off.
THIRD: At the time the decimal point is selected, the unit automatically
returns to normal operation. No further action is required by the operator.
*
- To enter any new data into the LNXN, the “PGM.DIS.” terminal must not
be connected to common.
SELF-TEST
The self-test feature can be activated without affecting the count, 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. (Pressing “R” at any
time, except when entering the timed output mode, resets the unit.)
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 on the display
each for about half a second and 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 always appear as zeros. The third digit represents the prescale
enable/disable DIP switch setting. With prescale enabled, the digit shows a
zero, and with it disabled the digit shows a one. The fourth digit represents
program disable (PGM.DIS). A zero represents a high at this terminal and a one
represents a low. A second set of digits are the settings of the mode select
switches (DIP switches 3 to 6). 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 counter operation immediately, but any changes will take effect when
self-test is exited. When the switch is “DOWN”, the digit shows a one. When
the switch is “UP”, the digit shows a zero.
During the time 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 not be connected to common 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
When the unit is shipped from the factory, the values and the following
modes are set as shown.
Preset 1 = 500
Preset 2 = 1,000
Prescale Value = 1.00000
Count 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). The input is
set for high frequency operation and the prescale can be changed.
PRESCALE ENABLE/DISABLE SWITCH
When this switch (#7) is in the enable position (DOWN), the prescale value
can be changed (See Program Prescale Value). When this switch is in the
disable position (UP), the prescale value cannot be changed.
The prescale value cannot be changed if Program Disable is activated even
though the “PS. EN./DIS.” switch is in the Enable position.
CALCULATING THE PRESCALER
The LNXN is factory set to provide 1 count on the display for each pulse that
is input to the unit. In many applications, there will not be a one to one
correspondence between input pulses and display units. In these applications it
will be necessary for the LNXN to scale or multiply the input pulses by a
prescaler to achieve the proper display units (feet, meters, gallons, widgets,
etc.).
The “Prescale”, denoted as “K”, is simply the total amount of scaling
required. It is obtained by dividing the “Display Units” by the “Number of
Pulses” as shown in the Formula below.
K = Display Units/Number of Pulses
WHERE:
DISPLAY UNITS - The number of units (revolutions, feet, 10ths of feet,
meters, etc.) that would be acquired after the “Number of Pulses” has
occurred.
NUMBER OF PULSES - The number of pulses required to achieve the
number of “Display Units” .