Allen-Bradley 1756-IB16S ControlLogix Input Module 16 Point Safety Input Module
$1,295.00
Out of stock
Request QuoteThe 1756-IB16S is an Allen-Bradley ControlLogix GuardLogix safety-rated 16-channel DC sinking input module rated for 10…32V DC with SIL CL 3 / PLe / Cat. 4 safety integrity. Features 8 test outputs at 0.2 A per point, 6 ms safety reaction time at 2 ms RPI, over-temperature detection, and 60V DC supply overvoltage protection. Requires Series C chassis. Designed for the ControlLogix 1756 safety platform.
| Channels | 16 sinking inputs (1 group of 16) |
| Voltage | 10…32V DC sinking |
| Safety Rating | SIL CL 3 / PLe / Cat. 4 |
| Safety Reaction Time | 6 ms @ RPI of 2 ms |
| Slot Width | 1 (Series C chassis only) |
| RTB | 1756-TBCHS or 1756-TBS6HS |
Description
Allen-Bradley 1756-IB16S
The 1756-IB16S is an Allen-Bradley ControlLogix GuardLogix safety-rated 16-channel DC sinking input module rated for 10…32V DC with SIL CL 3 / PLe / Cat. 4 safety integrity. Features 8 test outputs at 0.2 A per point, 6 ms safety reaction time at 2 ms RPI, over-temperature detection, and 60V DC supply overvoltage protection. Requires Series C chassis. Designed for the ControlLogix 1756 safety platform.
| Module Overview | |
|---|---|
| Catalog Number | 1756-IB16S |
| Module Type | Safety DC 16-Point Sinking Input |
| Channels | 16 (1 group of 16) |
| Input Type | Sinking (Safety) |
| On-State Voltage | 10…32V DC |
| Safety Integrity Level | SIL CL 3 / PLe / Cat. 4 |
| Slot Width | 1 (Series C chassis only) |
| RTB | 1756-TBCHS or 1756-TBS6HS |
| Indicators | Module status, channel status LEDs |
| Electrical Specifications | |
|---|---|
| On-State Current | 2.4 mA @ 10V, 2.5 mA @ 24V, 2.8 mA @ 32V |
| Off-State Voltage | 5V DC max |
| Off-State Current | 1.5 mA max |
| Test Outputs | 8, 0.2 A per point, 600 µs pulse max |
| Field Power | 18…32V DC SELV/PELV, 1.8 A max |
| DC Supply Overvoltage Protection | 60V |
| Reverse Voltage Protection | Yes |
| Over-Temperature Detection | Yes |
| Isolation | 60V continuous, basic channels-to-backplane |
| Timing & Performance | |
|---|---|
| Input Delay | 6 ms @ RPI of 2 ms |
| Safety Reaction Time | 6 ms @ RPI of 2 ms |
| Power & Thermal | |
|---|---|
| Current Draw | 280 mA @ 5.1V |
| Backplane Power | 1.43 W |
| Power Dissipation | 6 W |
| Thermal Dissipation | 20.47 BTU/hr |
| Features & Diagnostics | |
|---|---|
| Safety Rating | SIL CL 3 / PLe / Cat. 4 |
| Reverse Voltage | Yes |
| Over-Temperature Detection | Yes |
| Chassis Requirement | Series C only |
| Slot Width | 1 |
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-IB16S
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 1756-IB16S 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-IB16S
The 1756-IB16S by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 1756IB16S
- Allen Bradley 1756-IB16S
- Allen-Bradley 1756-IB16S
- 1756 IB16S
- 1756/IB16S
- ControlLogix 1756-IB16S
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 | 0.62 lbs |
|---|---|
| Dimensions | 3.94 × 2.28 × 5.67 in |
| mpn | 1756-IB16S |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
| upc | 191326353540 |
Dimensions & Weight for 1756-IB16S
| Shipping Dimensions | |
|---|---|
| Weight | 0.62 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
Where can I find the technical datasheet for the 1756-IB16S?
The official manufacturer datasheet is available for download on the 1756-IB16S product page at PLC Exchange. Look for the Tech Data PDF link in the product description.
Does the 1756-IB16S include a warranty?
Yes. Every 1756-IB16S 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-IB16S?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 1756-IB16S 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-IB16S?
The 1756-IB16S is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.
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