Allen-Bradley 1756-HSC ControlLogix Module
$1,032.50
Out of stock
Request QuoteThe 1756-HSC is an Allen-Bradley ControlLogix high-speed counter module with 2 counters (3 inputs each: A, B, Z for gate/reset) and 4 outputs (2 points per group). Supports counter frequencies up to 1 MHz, rate measurement to 500 kHz, and encoder input to 250 kHz with a count range of 0…16,777,214. Available in 5V and 12/24V DC input/output configurations. Designed for the ControlLogix 1756 chassis platform.
| Counters | 2 (3 inputs each: A, B, Z) |
| Outputs | 4 (2 points/group) |
| Max Counter Frequency | 1000 kHz |
| Count Range | 0…16,777,214 |
| Slot Width | 1 |
| RTB | 1756-TBCH or 1756-TBS6H |
PLC Exchange is not an authorized distributor: Products ship in unopened, original manufacturer-marked packaging. See Original Packaging or Warranty for more information.
Description
Allen-Bradley 1756-HSC
The 1756-HSC is an Allen-Bradley ControlLogix high-speed counter module with 2 counters (3 inputs each: A, B, Z for gate/reset) and 4 outputs (2 points per group). Supports counter frequencies up to 1 MHz, rate measurement to 500 kHz, and encoder input to 250 kHz with a count range of 0…16,777,214. Available in 5V and 12/24V DC input/output configurations. Designed for the ControlLogix 1756 chassis platform.
| Module Overview | |
|---|---|
| Catalog Number | 1756-HSC |
| Module Type | High-Speed Counter |
| Counters | 2 |
| Inputs per Counter | 3 (A, B, Z for gate/reset) |
| Outputs | 4 (2 points/group) |
| Count Range | 0…16,777,214 |
| Slot Width | 1 |
| RTB | 1756-TBCH or 1756-TBS6H |
| Indicators | Module status, channel status LEDs |
| Electrical Specifications | |
|---|---|
| Input Frequency (Counter) | 1 MHz |
| Input Frequency (Rate) | 500 kHz |
| Input Frequency (Encoder) | 250 kHz |
| Counting Frequency Max | 1000 kHz |
| Input Voltage (5V operation) | 4.5…5.5V DC |
| Input Voltage (12/24V operation) | 10…26.4V DC |
| Output Voltage (5V operation) | 4.5…5.5V DC |
| Output Voltage (12/24V operation) | 10…26.4V DC |
| Output Current per Point | 20 mA @ 4.5…5.5V DC, 1.0 A @ 10…31.2V DC |
| Isolation | 125V/30V (Series A/B) or 250V/125V (Series C/D) continuous, basic |
| Timing & Performance | |
|---|---|
| Output Delay Off→On | 20 µs nom / 50 µs max |
| Output Delay On→Off | 60 µs nom / 300 µs max |
| Debounce Filter | 70 Hz (Series A/B), configurable 50 Hz to 50 kHz (Series C/D) |
| Power & Thermal | |
|---|---|
| Current Draw | 300 mA @ 5.1V, 3 mA @ 24V |
| Backplane Power | 1.6 W |
| Power Dissipation (Series A/B) | 5.6 W @ 60°C |
| Power Dissipation (Series C/D) | 3.5 W @ 60°C |
| Thermal (Series A/B) | 19.1 BTU/hr |
| Thermal (Series C/D) | 12 BTU/hr |
| Features & Diagnostics | |
|---|---|
| Debounce Filter | 70 Hz (A/B), configurable 50 Hz…50 kHz (C/D) |
| Slot Width | 1 |
PLC Exchange products ship in their unopened, manufacturer-marked Original Packaging. Because we are not an authorized distributor, we are not legally allowed to claim these items as “New”, “Factory Sealed”, or any other term that may imply such. We have over 10 years of experience working with trusted suppliers to make sure you receive the top-quality hardware you need. Items ship in their original packaging, with the same function and contents as OEM-supplied materials. PLC Exchange is an independent supplier of industrial automation products and is not affiliated with the brand manufacturer or any of its authorized distributors. All warranties are provided directly by PLC Exchange. Trademarks, logos, and brand names referenced are property of their respective owners and are used for descriptive identification only.
Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.
Technical Notes for 1756-HSC
- Mounts on standard 35mm DIN rail with direct side-bus connection to Compact 5000 I/O modules.
- Program using Studio 5000 Logix Designer software (v30 or later recommended).
- Firmware updates available through ControlFLASH or ControlFLASH Plus.
- All 1756-HSC units sold by PLC Exchange are tested and ship in original factory packaging.
- For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.
Alternative Part Numbers & Names for 1756-HSC
The 1756-HSC by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1756HSC
- Allen Bradley 1756-HSC
- Allen-Bradley 1756-HSC
- 1756 HSC
- 1756/HSC
- ControlLogix 1756-HSC
All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.
Additional information
| Weight | 0.75 lbs |
|---|---|
| Dimensions | 3.94 × 2.28 × 5.67 in |
| mpn | 1756-HSC |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 612598186280 |
Dimensions & Weight for 1756-HSC
| Shipping Dimensions | |
|---|---|
| Weight | 0.75 lbs |
| Length | 3.94 in |
| Width | 2.28 in |
| Height | 5.67 in |
| Box Dimensions (L×W×H) | 3.94 × 2.28 × 5.67 in |
Dimensions shown are for the shipping package. For module-level mechanical dimensions, refer to the manufacturer datasheet.
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Frequently Asked Questions
What product family does the 1756-HSC belong to?
The 1756-HSC is part of the Allen-Bradley ControlLogix family of industrial automation products.
Where can I find the technical datasheet for the 1756-HSC?
The official manufacturer datasheet is available for download on the 1756-HSC product page at PLC Exchange. Look for the Tech Data PDF link in the product description.
Does the 1756-HSC include a warranty?
Yes. Every 1756-HSC sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/
What is the return policy for the 1756-HSC?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1756-HSC ship?
In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.
Who manufactures the 1756-HSC?
The 1756-HSC is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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