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SKU:1794-VHSC
Allen-Bradley 1794-VHSC High Speed Counter 5V DC 2 Outputs
Manufacturer: Allen-Bradley
Product No.: 1794-VHSC
Product Type: High Speed Counter Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months
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Description
Allen-Bradley 1794-VHSC Flex I/O Very High Speed Counter Module
Product Overview
Allen-Bradley 1794-VHSC is a Flex I/O very high speed counter module. Features 2 input channels with 2 groups of 3 inputs per counter. Input voltage 5 V DC with up to 1 MHz input frequency. 2 isolated output groups of 2. Installs on 1794-TB3G or 1794-TB3GS terminal base. Module weight 0.3 kg.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number | 1794-VHSC |
| Product Type | Flex I/O Very High Speed Counter Module |
| Input Channels | 2 |
| Inputs per Counter | 2 groups of 3 |
| Input Voltage | 5 V DC or 15-24 V DC |
| Input Frequency | Up to 1 MHz |
| Input Off-state Voltage | Less than 1.8 V DC |
| Input Off-state Current | Less than 0.25 mA |
| Input On-state Current | Greater than 5 mA |
| Outputs | 2 isolated groups of 2 |
| Output Rating | 0.5 A at 5 V DC, 1.0 A at 12-24 V DC |
| Output Supply Voltage | 5-7 V DC and 10-31 V DC |
| FlexBus Current | 75 mA at 5 V DC |
| External Supply | 24 V DC nominal (19.2-31.2 V), 100 mA |
| Power Dissipation | 5.0 W at 31.2 V DC max |
| Thermal Dissipation | 17.1 BTU/hr at 31.2 V DC max |
| Isolation | 50 V basic insulation, 850 V DC for 1 s |
| Compatible Terminal Base | 1794-TB3G, 1794-TB3GS |
| Operating Temperature | 0°C to 55°C |
| Humidity | 5% to 95% |
| Dimensions (H x W x D) | 94 x 94 x 69 mm |
| Weight | 0.3 kg |
Key Features
- 2 input channels with 2 counters per channel
- Up to 1 MHz input frequency
- 3 encoder modes with 5V DC or 15-24V DC terminations
- 2 isolated output groups of 2
- 50 V isolation between 6 isolated areas
- Intelligent I/O for high speed counting applications
- Provides signals to EtherNet capable controllers
FAQs
Q1: What is the input frequency and channel count?
A1: Up to 1 MHz input frequency. 2 input channels with 2 groups of 3 inputs per counter.
Q2: What terminal base does 1794-VHSC use?
A2: Installs on 1794-TB3G or 1794-TB3GS terminal base units.
Q3: What is the module weight?
A3: 0.3 kg.
Additional Specifications
Scalar (V/f)
Vector
AC-powered
Buying Guide
- Confirm the exact model, part number, and specifications before ordering.
- Ensure compatibility with your current machinery or control systems.
- Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
- Review delivery options, lead times, and shipping requirements.
- Follow manufacturer instructions and best practices during installation.
Shipping And Return
In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.
Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.
For more details, please review our Shipping & Return Policy.

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