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Omron H7CX-A Multifunction Preset Counter

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DIN 48 × 48 mm Multifunction Preset Counter with a Bright, Easy-to-view, Negative Transmissive LCD

Specification

Models H7CX-A114[]-N H7CX-A11[]-N H7CX-A4[]-N
Classification Preset counter
Configuration 1-stage preset counter, 1-stage preset counter with total counter (selectable) *1
Ratings Power supply
voltage*2
• 100 to 240 VAC, 50/60 Hz
• 24 VAC, 50/60 Hz or 12 to 24 VDC
• 100 to 240 VAC, 50/60 Hz
• 12 to 24 VDC
Operating voltage
fluctuation range
85% to 110% of rated supply voltage (12 to 24 VDC: 90% to 110%)
Power
consumption
Approx. 9.4 VA at 100 to 240 VAC, Approx. 7.2 VA/4.7 W at 24 VAC/12 to 24 VDC, Approx.
3.7 W at 12 to 24 VDC
Mounting method Flush mounting or surface mounting Flush mounting
External connections 11-pin socket Screw terminals
Degree of protection IEC IP66, UL508 Type 4X (indoors) for panel surface only and only when Y92S-29
Waterproof Packing is used.
Input signals CP1, CP2, reset, and total reset
Counter Maximum
counting speed
30 Hz (minimum pulse width: 16.7 ms) or 10 kHz (minimum pulse width: 0.05 ms)
(selectable) (ON/OFF ratio 1:1) *Common setting for CP1 and CP2
Input mode Increment, decrement, increment/decrement (UP/DOWN A (command input), UP/DOWN
B (individual inputs), or UP/DOWN C (quadrature inputs))
Output mode N, F, C, R, K-1, P, Q, A, K-2, D, and L.
One-shot output
time
0.01 to 99.99 s
Reset system External (minimum reset signal width: 1 ms or 20 ms, selectable), manual, and
automatic reset (internal according to C, R, P, and Q mode operation)
Tachometer Refer to the separate table for tachometer function ratings.
Prescaling function Yes (0.001 to 9.999) Yes (0.001 to 99.999) Yes (0.001 to 9.999)
Decimal point adjustment Yes (rightmost 3 digits)
Sensor waiting time 290 ms max. (Control output is turned OFF and no input is accepted during sensor
waiting time.)
Input method No-voltage (NPN) input/voltage (PNP) input (switchable)
No-voltage inputs:
ON impedance: 1 kΩ max. (Leakage current: 12 mA at 0 Ω)
ON residual voltage: 3 V max.
OFF impedance: 100 kΩ min.
Voltage input:
High (logic) level: 4.5 to 30 VDC
Low (logic) level: 0 to 2 VDC (Input resistance: approx. 4.7 kΩ)
External power supply 12 VDC (±10%), 100 mA (except for H7CX-A[]D models) Refer to on page for details.
Control output Contact output: 3 A at 250 VAC/30 VDC, resistive load (cosφ=1), Minimum applied load:
10 mA at 5 VDC (failure level: P, reference value)
Transistor output: NPN open collector, 100 mA at 30 VDC, Residual voltage: 1.5 VDC
max. (approx. 1 V), Leakage current: 0.1 mA max.
Display*3 7-segment, negative
transmissive LCD
Character height
Count value: 12 mm (red)
Set value: 6 mm (green)
7-segment, negative
transmissive LCD
Character height
Count value: 10 mm (red)
Set value: 6 mm (green)
7-segment, negative
transmissive LCD
Character height
Count value: 12 mm (red,
green, or orange selectable)
Set value: 6 mm (green)
Digits 4 digits
-999 to 9999
(-3 digits to +4 digits)
6 digits
-99999 to 999999
(-5 digits to +6 digits)
4 digits
-999 to 9999
(-3 digits to +4 digits)
Memory backup EEPROM (overwrites: 100,000 times min.) that can store data for 10 years min.
Operating temperature
range
-10 to 55°C (-10 to 50°C if Counter/Tachometers are mounted side by side) (with no
icing or condensation)
Storage temperature range -25 to 70°C (with no icing or condensation)
Operating humidity range 25% to 85%
Case color Black (N1.5) (Optional Front Panels are available to change the Front Panel color to light
gray or white.)
Attachments Flush mounting adapter,
waterproof packing,
terminal cover

 

 

Models H7CX-A[]-N H7CX-A4W[]-N H7CX-AW[]-N/-AU[]-N
Classification Preset counter Preset counter/tachometer
Configuration 1-stage preset counter,
1-stage preset counter with
total counter (selectable) *1
1-stage/2-stage preset
counter, total and preset
counter *1, batch counter,
dual counter, and twin
counter (selectable)
1-stage/2-stage preset
counter, total and preset
counter *1, batch counter,
dual counter, twin counter,
and tachometer (selectable)
Ratings Power supply
voltage*2
• 100 to 240 VAC, 50/60 Hz
• 12 to 24 VDC
• 100 to 240 VAC at 50/
60 Hz
• 24 VAC at 50/60 Hz or
12 to 24 VDC
• 12 to 24 VDC
Operating voltage
fluctuation range
85% to 110% of rated supply voltage (12 to 24 VDC: 90% to 110%)
Power
consumption
Approx. 9.4 VA at 100 to 240 VAC, Approx. 7.2 VA/4.7 W at 24 VAC/12 to 24 VDC, Approx.
3.7 W at 12 to 24 VDC
Mounting method Flush mounting
External connections Screw terminals
Degree of protection IEC IP66, UL508 Type 4X (indoors) for panel surface only and only when Y92S-29
Waterproof Packing is used.
Input signals CP1, CP2, reset, and total
reset
CP1, CP2, reset 1, and reset 2
Counter Maximum
counting speed
30 Hz (minimum pulse width: 16.7 ms) or 10 kHz (minimum pulse width: 0.05 ms)
(selectable) (ON/OFF ratio 1:1) *Common setting for CP1 and CP2
Input mode Increment, decrement, increment/decrement (UP/DOWN A (command input), UP/DOWN
B (individual inputs), or UP/DOWN C (quadrature inputs))
Output mode N, F, C, R, K-1, P, Q, A, K-2,
D, and L.
N, F, C, R, K-1, P, Q, A, K-2, D, L, and H.
One-shot output
time
0.01 to 99.99 s
Reset system External (minimum reset signal width: 1 ms or 20 ms, selectable), manual, and
automatic reset (internal according to C, R, P, and Q mode operation)
Tachometer Refer to the separate table for tachometer function ratings.
Prescaling function Yes (0.001 to 99.999) Yes (0.001 to 9.999) Yes (0.001 to 99.999)
Decimal point adjustment Yes (rightmost 3 digits)
Sensor waiting time 290 ms max. (Control output is turned OFF and no input is accepted during sensor
waiting time.)
Input method No-voltage (NPN) input/voltage (PNP) input (switchable)
No-voltage inputs:
ON impedance: 1 kΩ max. (Leakage current: 12 mA at 0 Ω)
ON residual voltage: 3 V max.
OFF impedance: 100 kΩ min.
Voltage input:
High (logic) level: 4.5 to 30 VDC
Low (logic) level: 0 to 2 VDC (Input resistance: approx. 4.7 kΩ)
External power supply 12 VDC (±10%), 100 mA (except for H7CX-A[]D models) Refer to on page for details.
Control output Contact output: 3 A at 250 VAC/30 VDC, resistive load (cosφ=1), Minimum applied load:
10 mA at 5 VDC (failure level: P, reference value)
Transistor output: NPN open collector, 100 mA at 30 VDC, Residual voltage: 1.5 VDC
max. (approx. 1 V), Leakage current: 0.1 mA max.
Display*3 7-segment, negative
transmissive LCD
Character height
Count value: 10 mm (red,
green, or orange selectable)
Set value: 6 mm (green)
7-segment, negative
transmissive LCD
Character height
Count value: 12 mm (red,
green, or orange selectable)
Set value: 6 mm (green)
7-segment, negative
transmissive LCD
Character height
Count value: 10 mm (red,
green, or orange selectable)
Set value: 6 mm (green)
Digits 6 digits
-99999 to 999999
(-5 digits to +6 digits)
4 digits
-999 to 9999
(-3 digits to +4 digits)
6 digits
-99999 to 999999
(-5 digits to +6 digits),
tachometer: 0 to 999999
Memory backup EEPROM (overwrites: 100,000 times min.) that can store data for 10 years min.
Operating temperature
range
-10 to 55°C (-10 to 50°C if Counter/Tachometers are mounted side by side) (with no
icing or condensation)
Storage temperature range -25 to 70°C (with no icing or condensation)
Operating humidity range 25% to 85%
Case color Black (N1.5) (Optional Front Panels are available to change the Front Panel color to light
gray or white.)
Attachments Flush mounting adapter, waterproof packing, terminal
cover
Flush mounting adapter,
waterproof packing,
terminal cover, label for
DIP switch settings

 

*1. 1-stage preset counter and total counter functionality.
*2. Do not use the output from an inverter as the power supply.The ripple must be 20% maximum for DC power.
*3. The display is lit only when the power is ON. Nothing is displayed when power is OFF.

Tachometer Function Ratings

 

Model H7CX-A114[]-N
H7CX-A11[]-N
H7CX-A4[]-N
H7CX-A[]-N
H7CX-A4W[]-N
H7CX-AW[]-N/-AU[]-N
Input mode No tachometer
functionality
Selectable from independent measurements for 1 or 2 inputs, differential input
for 2 inputs, absolute ratio for 2 inputs, and error ratio for 2 inputs.
Pulse
measurement
method
Periodic measurement Pulse width measurement
Maximum
counting
speed
30 Hz
(minimum
pulse width:
16.7 ms)
1-input mode: 10 kHz
(minimum pulse width:
0.05 ms)
Other modes: 5 kHz
(minimum pulse width:
0.1 ms)
30 Hz
(minimum
pulse
width:
16.7 ms)
1-input mode: 10 kHz
(minimum pulse width:
0.05 ms)
Other modes: 5 kHz
(minimum pulse width:
0.1 ms)
Minimum input
signal width
30 ms *1 1-input mode: 0.2 ms
Other modes: 0.4 ms *
Measuring
ranges
0.001 to
30.00 Hz
1-input mode: 0.001 to 10
kHz,
Other modes: 0.01 to 5
kHz
0.030 to
999999 s
1-input mode: 0.0002 to
99999 s
Other modes: 0.0004 to
99999 s
Sampling period 200 ms min. 200 ms min. or continuous
selectable (minimum
interval of 10 ms)
Continuous (minimum interval of 10
ms)
Measuring
accuracy
±0.1% FS ±1 digit max. (at 23 ±5°C)
Output mode Input mode:
Not 2-input independent measurement: HI-LO, AREA, HI-HI, LO-LO
2-input independent measurement: HI-HI, LO-LO
Auto-zero time 0.1 to 999.9s
Startup time 0.0 to 99.9s
Averaging Simple averaging/moving averaging selectable, Processing: OFF, 2, 4, 8, or 16
times
Hold input Minimum input signal width: 20 ms

* An input OFF time of at least 20 ms is required.

 

Characteristics

 

Insulation resistance 100 MΩ min. (at 500 VDC) between current-carrying terminals and exposed non-current-
carrying metal parts, and between non-continuous contacts
Dielectric strength 2,000 VAC, 50/60 Hz for 1 min between current-carrying metal parts and non-current-
carrying metal parts
2,000 VAC, 50/60 Hz for 1 min between power supply and input circuit for all models
except H7CX-[]D[] (1,000 VAC for 24 VAC/12 to 24 VDC)
1,000 VAC (for H7CX-[]SD[]), 50/60 Hz for 1 min between control output, power supply,
and input circuit (2,000 VAC for models other than H7CX-[]SD[])
1,000 VAC, 50/60 Hz for 1 min between non-continuous contacts
Impulse withstand voltage 3.0 kV between power terminals (1.0 kV for models with 24 VAC/12 to 24 VDC or 12 to 24
VDC)
4.5 kV between current-carrying terminals and exposed non-current-carrying metal parts
(1.5 kV for models with 24 VAC/12 to 24 VDC or 12 to 24 VDC)
Noise immunity ±1.5 kV between power terminals (±480 V for models with 12 to 24 VDC) ±600 V
between input terminals Square-wave noise by noise simulator (pulse width: 100 ns/1 μs,
1-ns rise)
Static immunity Malfunction: 8 kV Destruction: 15 kV
Vibration
resistance
Destruction 10 to 55 Hz with 0.75-mm single amplitude each in three directions for 2 h each
Malfunction 10 to 55 Hz with 0.35-mm single amplitude each in three directions for 10 min each
Shock
re-sistance
Destruction 300 m/s2 each in three directions
Malfunction 100 m/s2 each in three directions
Life expectancy Mechanical: 10,000,000 operations min.
Electrical: 100,000 operations min. (3 A at 250 VAC, resistive load, ambient temperature
condition: 23°C) *
Weight Approx. 130 g (Counter only)

* Refer to the Life-test Curve.

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