Two-channel pulse counter SI2

Two-channel pulse counter SI2 is designed to count the number of pulses entering the device input through two channels. They can be used to determine the amount of products produced (in any units - length, weight, pieces, etc.), to measure movement, bread baking time, etc. The built-in timer allows you to use the device as an equipment operating time counter, flow meter.
The meters are manufactured in two power modifications: from an alternating voltage network with a nominal value of 110..240V or from a constant voltage source with a nominal value of 12..24V.

The counter of impulses SI2 is intended for:

• counting the number of pulses coming from measuring sensors to the counting inputs (or one counting input) of the impulse counter and recalculating them into the required physical units of measurement by multiplying by a given factor (for example, in meters, liters, pieces, kilograms, etc.);
• calculating the total output per shift, day, week, month, etc .;
• control of actuators with one or more discrete outputs (most often, a relay or optocoupler is used as a discrete output in pulse counters).

An inductive sensor (proximity sensor) or an encoder is used as a sensor.

Proximity sensor is a position switch that operates without mechanical contact with the moving part (machine). Position switch is an automatic switch of control circuits, the control mechanism of which is activated when the moving part of the machine reaches a given position.

The main functions of SI2:

• automatic counting of the number of pulses received at the counting input (via two channels);
• control of external executive devices, upon reaching a predetermined number of pulses;
• forward and backward counting of impulses;
• calculation of equipment operating time (time counter);
• measurement of the number of pulses per unit of time (tachometer, flow meter);
• automatic saving of counting results when the power is turned off;
• dividing and multiplying the counted number of pulses by the coefficients entered programmatically by the user;
• elimination of the influence of contact bounce of the input sensor on the results of counting pulses;
• displaying the results of counting the number of pulses on the built-in LED digital indicator (4 or 5 digits);
• the ability to work with various types of encoders, optical sensors with npn or pnp output;
• password protection of parameters;
• quick access to frequently changed parameters;
• interface RS-485 (optional).