Digital Counter, 4 Digit, Frequency/Rev/Speed

$50.79

Digital counter is suitable for measuring the frequency, rotational speed, linear speed and flow of various types of control equipment. 4 digit counters can be customized as special test instrumentation for pulse width detection, duty ratio detection, etc.

SKU: ATO-DIGC-FA4

Dimension *
Power supply *
AL1 *
AL2 *
Communication interface *
External power supply *

Qty:

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Delivery date: 6-12 days

Overview

Digital counter has 4 digit display, frequency/rev/linear speed measuring function, DC 12V/24V external power supply.

Features:

Various parameter settings, simple operation.
Input: Various waveform pulses (square wave, triangle wave), proximity sensor, photoelectric sensor, voltage signal, contact switch, encoder, etc.
Digital counter can also be used to measure the power frequency (AC 0-600V), measurement range: 0.01Hz-100KHz, resolution: 0.01Hz.
4 digit display, decimal point automatic conversion.
Input/output signals photoelectric isolated, anti-interference ability.
Digital output: Up to 3 alarms, high value, low value, high and low value alarm modes are optional, analog output: 4-20mA or 0-10V transmission output, measuring range setting arbitrarily.
Standard RS232 or RS485 MODBUS RTU communication, can be directly connected with computers, PLC or other equipments.

Specification:

Mode	ATO-DIGC-FA4
Weight	300g
Accuracy	0.1%±2 digit
Power supply	AC 220V/110V±15%, AC 90-260V, DC 24V±10%, power dissipation≤5VA
Input signal	Pulse signal, square wave, sine wave, 5V≤H≤30V, 0≤L≤2V, rising edge trigger, frequency: 0.01~10KHz, 1Hz-100KHz
Display counting range	-1999~9999
Input impedance	≥10KΩ
Transmission output	4-20mA, 0-10V, etc. (range can be set)
Insulation resistance	≥100MΩ (between DC 500V power terminal and external terminal)
Dielectric strength	AC 1500V 1min (between power terminal and external terminal)
Environment	Ambient temperature: 0~50°C, relative humidity: 35~85%RH
External power supply	DC 12V±5%, 50mA max / DC 24V±5%, 30mA max
Protection class	IP65

Selection table:

Dimension (lengthheightdepth)	Power supply	AL1	AL2	Communication interface	External power supply
4: 484880mm with hole size 4545mm; 8: 964880mm with hole size 9245mm; 9: 969680mm with hole size 9292mm; 10: 8016070mm with hole size 75152mm	V0: AC 90-260V; VE: AC/DC 12-30V, or DC 24V	N: No output; R: Relay; S: SSR/LOGIC	N: No output; R: Relay; S: SSR/LOGIC	C0: No communication; C2: RS232; C4: RS485	A: DC 12V/30mA; B: DC 24V/30mA; C: DC 5V

Wiring diagram:
Digital counter wiring diagram
Tips: Digital counter application in digital system
Counter is typical sequential logic circuit and also is the most used sequential logic devices in digital systems. Using a digital counter to count pulses or conduct fractional frequency can achieve measurement, calculation, timing control and other functions. In addition to the counting function, the counter also has functions such as asynchronous reset, preset parameter, and hold. The preset function is divided into two kinds: synchronous preset and asynchronous preset. The former is controlled by timing pulses, and the later is not controlled by timing pulses. The hold function is also divided into two types: hold-carry and hold without carry. The counter can also be used as a sequential pulse generator.

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