VEEDER-ROOT brand
DYNAPAR brand
VEEDER-ROOT brand
Electronic Predetermining Counters
Predetermining Counters
Electronic Predetermining Counters
R
Count 2 & 3
2
P
R
E
E
L
D
E
E
C
T
T
E
R
R
O
M
N
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N
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High-speed, 5-digit, two
preset, programmable
predetermining counters
– for quick and easy
configuration.
MAXjr Count 2 handles cut-to-length, filling, batching, locating, and
many other applications. Its high speed bidirectional operation, and
programmable features assure a no compromise solution to almost any
count/control problem. A totalizing-only mode of operation is included
which allows the unit to perform as an eight decade programmable
totalizer.
MAXjr Count 3 expands application flexibility by providing an additional
function that can serve either as a totalizer, or presetable batch counter.
■ Calibrator scales input signal for display in engineering units
■ Add/Subtract and quadrature counting modes – solid-state or contact
input
■ Selectable decimal point positioning
■ Bright, high contrast, 5 digit Red LED display – plus status
annunciators
■ Non-volatile memory retains count and program during power loss
■ Panel mounts in 1/8 DIN cut-out – NEMA-4 water and oil integrity
■ Friendly menu-driven programming with display prompting – sealed
tactile response keys
■ Two presets – solid-state outputs with programmable hold times
■ Security locks for program, preset and reset
■ Accessory 12 VDC power supply supports external sensors
The MAXjr Count 2 includes many designed-in convenience features,
such as: switch-selectable 115/230 VAC operating power, selfdiagnostics, and display-prompted program editing – making it a “best
value” industrial predetermining counter.
For matching totalizer, see MAXjr Count 1
For data communications capability, see MAX Count 2,
Series 7910
SPECIFICATIONS
Input Power: Switch selectable 115 (95 to 130) VAC, or, 230 (190 to 260)
VAC, 50/60 Hz, 6 VA; Optional: 10 to 26 VDC, 0.4 A maximum
Accessory Power: DC output provided for transducer, 12 VDC ±25%, 125
mA maximum
Display: 5 digit, 0.56" (14.2 mm) red LED. 8 annunciators for ease of
programming and operation.
Decimal Point: Selectable decimal point (X.X.X.X.X.)
Keyboard: Sealed, 6 tactile response keys
Calibration: Input scaling common to inputs A and B. Range 0.0001 to 9.9999
Preset Limits: 2 individual, each allows preset to any 5 digit value
Preset Modes: Up Mode: Resets to zero, process presets 1 and 2 when
count matches limit value; Down Mode: Resets to preset limit 2 value,
outputs are actuated at preset limit 1 value, and at zero; Totalizer Mode:
Presets not active, 8 decade capacity, displays either 4 most, or least,
significant digits
Counting Modes: Add/Subtract: Input A adds, B subtracts; Quadrature:
Inputs A and B count bidirectionally from quadrature signal source
Signal and Count Rate: X2 input logic, maximum 10 kHz count rate, 5 kHz
signal rate
Signal Inputs: Open collectors (sinking or sourcing), magnetic, or contact
closure (input speed limited to 20 Hz)
Control Inputs: Reset and stop count (commands initiated when switched to
common)
Control Outputs: 2 open collector NPN (sinking), 30 VDC maximum applied
voltage, 100 mA maximum load
Reset: Front panel pushbutton, remote, programmable automatic
Security: Selectable locks for reset, preset, and program mode
Diagnostics: Tests for signal and control inputs, outputs, panel keys, and
display
Operating Temperature: +32° to +122°F (0 to +50°C)
Weight: 1.4 lbs. (453.6 g)
Model No. Description
MCJR2S00 MAXjr Count 2 (115/230 VAC, 50/60 Hz)
MCJR2D00 MAXjr Count 2 (10-26 VDC operation)
MCJR3S00 MAXjr Count 3, with preset batch counter
MCJR3D00 MAXjr Count 3, with preset batch counter
(115/230 VAC, 50/60 Hz)
(10-26 VDC operation)
Typical Application:
Encoder With
Measuring Wheel
Footage Windup
2.10
DANAHER INDUSTRIAL CONTROLS
Length
Totalizer
Cutter
Cut-to-Length
Encoder
Dimensions:
3.78"
96 mm
3.54"
90 mm
FRONT SIDE
Panel Dims: Cutout: 3.58" x 1.78". Thickness: 1/16" to 1/4". Depth: 5.68" min.
.39"
10 mm
50 mm
1.98"
5.20"
132 mm
.50"
13 mm
1.67"
42 mm
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