Digital Counter
* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.
last update: August 3, 2015
Models | H7CZ-L8 | H7CZ-L8D1 | |
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Configuration | 1-stage preset counter | ||
Ratings | Power supply voltage *1 | 100 to 240 VAC, 50/60 Hz | 24 VAC, 50/60 Hz or 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 |
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Mounting method | Flush mounting or surface mounting | ||
External connections | 8-pin socket | ||
Degree of protection | IEC IP66, UL508 Type 4X (indoors) for panel surface only and only when Y92S-
29 Waterproof Packing is used. |
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Input signals | Count, Reset | ||
Counter | Maximum counting speed | 30 Hz or 10 kHz (switchable) (ON/OFF ratio 1:1) | |
Input mode | Increment, Decrement | ||
Output mode | N, F, C, R, K-1, P, Q, and A. | ||
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) |
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Prescaling function | 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.) |
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Input method | 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. |
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Control 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) |
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Display *2 | LCD
Character height Count value: 10 mm Set value: 6 mm |
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Digits | 6 digits
-99999 to 999999 (-5 digits to +6 digits) |
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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 Counters are mounted side by side) (with no
icing or condensation) |
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Storage temperature range | -25 to 70°C (with no icing or condensation) | ||
Operating humidity range | 25% to 85% | ||
Front panel color | Light gray (5Y7/1) |
*1. Do not use the output from an inverter as the power supply.The ripple must be 20% maximum for DC power.
*2. The display is lit only when the power is ON. Nothing is displayed when power is OFF.
Insulation resistance | 100 MΩ min. (at 500 VDC) between current-carrying terminals and exposed non-
current-carrying metal parts, and between non-continuous contacts |
|
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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 (1,000 VAC for 24 VAC/12 to 24 VDC) 1,000 VAC, 50/60 Hz for 1 min between control output, power supply, and input circuit (2,000 VAC) 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)
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) |
|
Noise immunity | ±1.5 kV between power terminals
±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
resistance |
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. 100 g (Counter only) |
* Refer to the Life-test Curve.
A current of 0.15 A max. can be switched at 125 VDC (cosφ=1) and current of 0.1 A max. can be switched if L/R=7 ms. In both cases, a life of 100,000 operations can be expected.
Approved safety
standards |
cULus (or cURus): UL508/CSA C22.2 No. 14 *1
EN 61010-1 (IEC 61010-1): Pollution degree 2/overvoltage category II B300 PILOT DUTY 1/4 HP 120 VAC, 1/3 HP, 240 VAC, 3 A resistive load VDE0106/P100 (finger protection) |
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EMC | (EMI) EN61326-1 *2
Emission Enclosure: EN 55011 Group 1 class A Emission AC mains: EN 55011 Group 1 class A (EMS) EN61326-1 *2 Immunity ESD: EN 61000-4-2: 4 kV contact discharge; 8 kV air discharge Immunity RF-interference: EN 61000-4-3: 10 V/m (Amplitude-modulated, 80 MHz to 1 GHz); 10 V/m (Pulse-modulated, 900 MHz ±5 MHz) Immunity Conducted Disturbance: EN 61000-4-6: 10 V (0.15 to 80 MHz) Immunity Burst: EN 61000-4-4: 2 kV power-line; 1 kV I/O signal-line Immunity Surge: EN 61000-4-5: 1 kV line to lines (power and output lines); 2 kV line to ground (power and output lines) Immunity Voltage Dip/Interruption: EN 61000-4-11: 0.5 cycle, 100% (rated voltage) |
Inputs | Count | • Reads counting signals.
• Increment and decrement inputs accepted. |
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Reset | • Resets present value and outputs.*2
• Counting cannot be performed during reset input. • Reset indicator is lit while reset input is ON. |
|
Outputs | OUT | Outputs signals according to the specified output mode when a set value is reached. |
The following table shows the delay from when the reset signal is input until the output is turned OFF. (Reference values)
Minimum reset signal width | Output delay time |
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1 ms | 0.8 to 1.2 ms |
20 ms | 15 to 25 ms |
last update: August 3, 2015