Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | Allen-Bradley 1794-VHSC |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Series | FLEX I/O 1794 |
| Module Type | Very High-Speed Counter Module |
| Input Channels | 2 channels |
| Counters | 2 counters per channel |
| Input Voltage | 5 VDC or 15–24 VDC |
| Input Current | ~6–25 mA (depending on voltage) |
| Input Frequency | Up to 1 MHz |
| Counting Modes | Counter, Encoder (X1, X2, X4), Rate, Period, PWM |
| Input Configuration | Quadrature encoder / pulse input |
| Outputs | 2 isolated outputs |
| Output Voltage | 5–7 VDC or 10–31 VDC |
| Output Current | Up to 1 A (depending on voltage) |
| Isolation | ~50 V basic isolation |
| Power Supply | 24 VDC external |
| Backplane Current | ~75 mA @ 5 VDC |
| Power Dissipation | ~5 W |
| Mounting Type | DIN rail |
| Wiring Base | 1794-TB3G / TB3GS |
| Enclosure Rating | IP20 |
| Operating Temperature | 0 to 55 °C |
| Dimensions | ~9.4 × 9.4 × 6.9 cm |
| Net Weight | ~0.10 kg |
FAQ
FAQ
Q1. What is the main function of the 1794-VHSC?
It is used for high-speed counting and position measurement, such as encoder feedback and pulse signals.
Q2. How many channels does it have?
It has 2 independent input channels, each with its own counters.
Q3. What is the maximum counting frequency?
It supports up to 1 MHz high-speed input frequency.
Q4. What types of signals can it process?
It supports pulse inputs, quadrature encoders, and frequency measurement signals.
Q5. What counting modes are available?
It supports multiple modes including counter, encoder (X1/X2/X4), rate, and PWM modes.
Q6. What voltage inputs are supported?
It supports 5 VDC and 15–24 VDC input signals.
Q7. Does it provide outputs?
Yes, it includes 2 isolated outputs for control or triggering functions.
Q8. What applications is it used for?
It is commonly used in motion control, speed measurement, encoder feedback systems, and high-speed event counting in automation systems.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
