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The Allen‑Bradley 1756-IB16IFK is a conformal coated 16-channel high-speed individually isolated digital input module for ControlLogix PAC platform, supporting 10–30V DC sink/source input. It features ultra-fast response, per-channel CIPSync timestamping and input pattern matching, ideal for high-speed event capture, pulse detection and first fault diagnosis in harsh industrial environments. It is the coated variant of 1756-IB16IF. Technical data is compiled from the product datasheet. Supplied by SHLY-PLC, an independent industrial automation distributor: every unit is visually inspected and functionally tested before shipment, in-stock ready for global shipping for machine maintenance, replacement, retrofit, and new project integration. Contact our team for compatibility verification and alternative in-stock models.
Technical parameters compiled from the manufacturer data sheet and reference documentation.
| Technical Specifications | |
| Type Designation | |
| Product type | Conformal Coated High Speed Individually Isolated Digital Input Module |
| Order Code | 1756-IB16IFK |
| Platform | ControlLogix PAC |
| Number of Points | 16 Individually Isolated High Speed Inputs |
| Electrical Ratings | |
| Input Voltage Range | 10–30V DC |
| Input Type | Sink / Source selectable |
| Min detectable pulse width | 10 µs |
| Input transition response | <25 µs |
| Time stamp accuracy | ±4 µs (CIPSync) |
| Mechanical & Structure | |
| Mounting | ControlLogix Chassis |
| PCB Coating | Conformal Coated |
| Terminal Block | 1756-TBCH / 1756-TBS6H (removable) |
| Environmental Conditions | |
| Operating temperature | 0 °C to +60 °C |
| Storage temperature | -40 °C to +85 °C |
| Relative humidity | 5%–95% non-condensing |
The 1756-IB16IFK is ControlLogix series conformal coated high-speed individually isolated digital input module, compatible with ControlLogix chassis, 1756 backplane, ControlLogix PAC CPU and matching power supplies. Its standard non-coated counterpart is 1756-IB16IF. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for identification only.
Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.
A: 1756-IB16IFK is the conformal coated version. It adds PCB protective coating against moisture, dust and condensation; all electrical performance, timing and I/O functions are identical to 1756-IB16IF.
A: Compatible removable terminal blocks: 1756-TBCH and 1756-TBS6H.
A: Yes, it fits ControlLogix chassis and 1756 series PAC CPUs. Share your existing chassis and CPU model and our technical team will verify compatibility and provide cross-references to comparable in-stock models.
1756-IB16IFK · Technical reference data · Independently supplied by SHLY-PLC
Standard International (tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders of $500 or less; free on orders over $500.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Remote-area and overweight surcharges, where applicable, are shown before checkout.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use. Manufacturer or factory warranty service is not applicable, and extended warranty packages are not provided.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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