Allen Bradley 1794 VHSC

As a supplier specializing in industrial automation spare parts, we recommend to you this Allen Bradley 1794 VHSC, which is an intelligent high-speed counter module capable of flexibly handling signals from devices such as encoders and pulse generators through various working modes including counter mode, encoder mode, cycle/rate mode, and pulse width modulation mode. This module is widely used in motion control, high-precision measurement, packaging and conveying, as well as robotics technology.

It is suitable for precisely measuring key data such as the speed and position of high-speed moving or rotating equipment. If you are interested, you can purchase it from Feimu Technology at any time.

Characteristics

The most core feature of the Allen Bradley 1794 VHSC is its dual-channel intelligent module with a maximum 1 MHz (downward compatible with 250 kHz and 500 kHz) high-speed counting capability. Each channel provides A, B, and Z phase inputs and supports differential or single-ended signal configuration; and it supports various working modes such as counter, encoder (X1/X2/X4), period/rate, continuous/rate, rate measurement, and pulse width modulation, enabling this module to flexibly adapt to scenarios such as pulse counting, orthogonal encoder position/velocity measurement, frequency detection, and signal generation; at the same time, the module comes with 4 isolated outputs, which can be assigned to any counter window value as needed for associated control, and can continue to operate independently even after losing the FlexBus backplane power after configuration.

Application Scope

This module is widely applied in industrial automation scenarios that require high-speed, high-precision motion control and real-time monitoring. Specifically, it is used in the following areas: in precise motion control, it cooperates with encoder signals to achieve position and speed tracking for robots,CNC machines, and high-precision positioning systems; in the packaging and material handling fields, it is used for product counting, conveyor belt position detection and speed monitoring; on specialized process equipment,it can perform fly-cutting/track-cutting control (such as in metallurgy, paper, plastic film length-cutting), synchronization adjustment for printing and textile machinery, and process monitoring of food and beverage production lines. At the same time, it also serves as a general component, processing various pulse signals such as those from encoders, pulse generators, and limit switches, to meet the real-time counting and frequency detection requirements of production lines. With a counting capability of up to 1 MHz and flexible configuration, the Allen Bradley 1794 VHSC becomes the core choice for many applications requiring reliable high-speed pulse processing.

Parameters

FAQ

Q1: What happens when there is a configuration error?

If the controller sends an incorrect configuration to the module while in operation mode, the error flag will be set in the fault word of the input label, and the green OK indicator light will flash. However, the module will continue to operate using the previous correct configuration data and will not return real-time data to avoid confusing the monitoring application.

Q2: Where should the 1794-VHSC be installed?

The module must be installed on the 1794-TB3G or 1794-TB3GS model terminal block.

Q3: How to configure the safety status values?

Configure the counter and its safety status values in the "Fault/Idle Operation" tab. The VHSC does not distinguish between "reset" and "fault/idle" - the reset state is another set of fault/idle settings.

Why choose us?

Feimu Technology is a professional supplier specializing in the supply of industrial automation spare parts. It has abundant inventory resources of PLCs, DCS, industrial control modules and related equipment, ensuring that products can be dispatched promptly, allowing customers to receive the goods faster. Moreover, we have a complete set of professional and comprehensive inspection procedures. We will conduct strict inspections on Allen Bradley 1794 VHSC to ensure it is an intact and excellent product. We insist on providing customers with the best problem-solving solutions and bringing them the highest quality after-sales service.