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LIBC2E00, Red Lion Controls LIBC2E00 Dáileacháin - Electronics-ic.com
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Iontráil cuid uimhir iomlán nó páirteach monaróir le ar a laghad de 3 litreacha nó uimhreacha
Is íomhá le haghaidh tagartha amháin.
DUAL PRESET LED CNTR 115V
Request Price & Lead Time
ABILITY TO LOCK OUT FRONT PANEL FUNCTIONS
ONE OR TWO PRESET VERSIONS
0.5" HIGH LIQUID CRYSTAL DISPLAY OR 0.4" HIGH LED DISPLAY
ACCEPTS INPUT COUNT RATE UP TO 2500 CPS
PROGRAMMABLE TIMED OUTPUT (0.01 sec to 99.99 sec.)
SIMPLE FRONT PANEL FOR PROGRAMMING EASE
FRONT PANEL PROGRAMMABLE DECIMAL POINTS
MEETS DIN PANEL MOUNT SPECIFICATIONS
The Libra Series of presettable counters is an economical and reliable solution
to one or two preset level requirements. The LIBC1 and LIBC1E are the single
preset versions and the LIBC2 and LIBC2E are the dual preset versions. All four
units have a solid-state output and a Form C relay output for each preset. These
units feature input configuration programmability, a full complement of control
inputs, programmable timed outputs, non-volatile memory, and many other
features which will satisfy most any single or dual preset level requirement.
The Libra counters have two main counting actions, Reset to Zero (RTZ) and
Reset to Preset (RTP). With RTZ, the counter resets to zero and counts up (if
UP/DN terminal is at high level) and activates the outputs when the preset
value(s) are reached. When RTP is used, the unit starts at the preset value and
counts down (if the UP/DN terminal is at low level) and activates the output
when zero is reached. For the 2-preset version, the count starts at preset 2 and
counts toward zero. Output 1 fires when preset 1 value is reached and output 2
fires when the count reaches zero. There are eight modes of operation for the
single preset unit and sixteen modes of operation for the dual preset unit.
The timed output is programmed through the front panel buttons and can be
programmed from 0.01 sec. to 99.99 sec. (The unit’s timed output is set at the
factory to be 0.1 sec.) The Libra counters have an internal non-volatile memory
device which eliminates the need for battery back-up. When input power is
removed, this device will maintain all data necessary for system operation. A
Program Disable terminal is available, which is used to prevent accidental
changes or tampering by unauthorized personnel to the preset(s) or timed output
value(s). The front panel reset button can also be enabled or disabled by a rear
panel DIP switch. These counters also have an on-line self-test, which checks
all display driver and micro-processor hardware. The self-test can be run at any
time without losing counts or missing a preset value.
Power, input, and output connections are made via removable terminal strips
located at the rear of the unit. These strips can accept one #14 AWG stripped
wire. DIP switches at the rear of the unit are used to program the input
configuration and to set the desired operating modes.
The Libra Series counters have a metal die-cast front bezel, which is sealed,
and meets NEMA 4/IP65 specifications for wash-down and/or dust when
properly installed. Mounting clips are provided for easy panel installation.
All safety related regulations, local codes and instructions that appear in the
manual or on equipment must be observed to ensure personal safety and to
prevent damage to either the instrument or equipment connected to it. If
equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
Do not use this unit to directly command motors, valves, or other actuators
not equipped with safeguards. To do so, can be potentially harmful to persons
or equipment in the event of a fault to the unit.
MODEL LIBC - LIBRA SERIES COUNTERS (LCD & LED)
DIMENSIONS In inches (mm) Note: Recommended minimum clearance (behind the panel) for
mounting clip installation is 2.7" (69 mm) H X 4.5" (114 mm) W.
CAUTION: Read complete instructions
and operation of the unit.
CAUTION: Risk of electric shock.
Tel +1 (717) 767-6511
Fax +1 (717) 764-0839
LIBC-j.QXD 10/26/04 10:52 AM Page B1
LIBC2E00 Achoimre na n-ábhar
1  ABILITY TO LOCK OUT FRONT P ANEL FUNCTIONS  SEALED FRONT P ANEL CONSTRUCTION (NEMA 4/IP65)  ONE OR TWO PRESET VERSIONS  0.5" HIGH LIQUID CRYST AL DISPLA Y OR 0.4" HIGH LED DISPLA Y  ACCEPTS INPUT COUNT RA TE UP TO 2500 CPS  BI-DIRECTIONAL COUNTING  SOLID-ST A TE CURRENT SINK OUTPUT(S)  FORM C RELA Y OUTPUT(S)  PROGRAMMABLE TIMED OUTPUT (0.01 sec to 99.99 sec.)  SIMPLE FRONT P ANEL FOR PROGRAMMING EASE  FRONT P ANEL PROGRAMMABLE DECIMAL POINTS  MEETS DIN P ANEL MOUNT SPECIFICA TIONS  REMOTE RESET CAP ABILITY  NON-VOLA TILE MEMORY (E 2 PROM
2 SPECIFICA TIONS 1. DISPLA Y : 4-digit, 0.5" (12.7 mm) high LCD display . 4-digit, 0.4" (10.2 mm) high LED display . 2. POWER REQUIREMENTS: AC Operation : 115/230 V AC (±10%), 50/60 Hz, 6 V A (LCD) or 9 V A (LED) . DC Operation : 11 to 14 VDC @ 0.2 A max. (LCD) or 0.3 A max. (LED) . 3. SENSOR POWER: +10 to 16 VDC @ 150 mA. 4. COUNT INPUT : Switch selectable to accept count pulses from a variety of sources including switch contacts, outputs from CMOS or TTL circuits, and all standard RLC sensors. Current Sourcing - Unit provides 3.9 K Ω pull-down load for sensors with current sou
3 MODE 0 LATCH OUTPUT A T PRESET , MANUAL RESET TO ZERO In this mode, as the unit counts from zero, the output will latch on when the preset is reached. When a manual reset ✦ occurs, the unit will Reset to Zero and the output, if latched on, will unlatch. Counts will continue to accumulate after the output has turned on. MODE 1 TIMED OUTPUT A T PRESET , MANUAL RESET TO ZERO In this mode, as the unit counts from zero, the output will turn on when the preset is reached. The output will turn off after its programmed time value has occurred. When a manual reset occurs, the unit will Reset to Ze
4 MODE 4 OUTPUT 1 TURN OFF A T PRESET 2, TIMED OUTPUT 2 A T PRESET 2, AUTOMA TIC RESET TO ZERO A T PRESET 2 In this mode, as the unit counts from zero, output 1 will turn on when preset 1 is reached. When preset 2 is reached, output 2 will turn on, output 1 will turn off, and the unit will automatically Reset to Zero. Output 2 will turn off after its programmed time value has occurred. Manual reset ✦ will turn off both outputs, if activated, and reset the count to zero. During automatic reset, no counts will be lost as long as the count rate does not exceed 2,500 cps. MODE 5 TIMED OUTPUTS A
5 POWER-UP DIAGNOSTICS The Libra counters have internal diagnostics which will check the stored data during power-up. When the data is saved (power-down) , computations are made with these values. The result of these computations is stored in the memory to serve as a check against possible error. Then on power-up, these same computations are repeated on the stored data. If these results do not agree with the stored results, then a “P” will appear on the right side of the display . Normal operation of the unit will continue while this “P” is displayed. T o remove the “P” from the d
6 FRONT P ANEL FUNCTION DESCRIPTION These units employ six front panel buttons for control and data entering. The button functions are described below . RESET “R” - This button resets the counter to either zero or preset, depending on the mode of operation selected. For this button to operate, the enable/disable reset button switch, at the rear of the unit, must be set to the enable (EN) position. This button is also used in conjunction with the two preset buttons (one button on the single preset unit) to view and change the timed output value. (When reset is activated, all processes ar e
7 CONNECTIONS & CONFIGURA TION SWITCH SET-UPS FOR V ARIOUS SENSOR OUTPUTS 1. SENSOR SUPPL Y VOL T AGE AND CURRENT The +12 V sensor supply voltage on the “+12 VDC” T erminal is nominal with ±25% variation due to line and internal load variations. All RLC sensors will accommodate this variation. 2. HI/LO FRQ. SELECTION The HI/LO FRQ Selection switch must be set on LO FRQ when switch contacts are used to generate count input signals. Since the LO FRQ mode also provides very high immunity against electrical noise pickup, it is recommended that this mode also be used, whenever possible, w
BOX ST ACKING CONTROL A typical application requires the control of a conveyor belt which feeds a mechanical stacker . The stacker can stack 12, 24, 32, or 48 cartons of ceiling tile onto each pallet (depending on pallet size) . When the required number of cartons have been stacked, the conveyor is stopped until the loaded pallet is removed and an empty pallet is placed onto the loading area. Also, it is required that only the foreman be allowed to change the number of cartons per pallet. A single preset Libra counter is used to satisfy all the above requirements. T erminal 3 and terminal 4 o
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DUAL PRESET LED CNTR 115V
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Red Lion Controls LIBC2E00
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