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Allen-Bradley 1756-IF16K ControlLogix 16-Point Analog Input Module – Technical Specifications and FAQ
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley (Rockwell Automation) |
| Model | 1756-IF16K |
| Product Type | ControlLogix Analog Input Module |
| Module Function | Analog Current / Voltage Input |
| Number of Inputs | 16 single-ended, 8 differential, or 4 high-speed differential |
| Input Signal Ranges | ±10.25 V, 0–10.25 V, 0–5.125 V, 0–20.5 mA |
| Resolution | 15-bit plus sign (bipolar voltage); 16-bit (unipolar voltage/current) |
| Input Isolation | 250 V continuous, reinforced insulation, inputs-to-backplane; no isolation between individual inputs |
| Backplane Current at 5.1 V | 150 mA (Series A); 200 mA (Series B) |
| Backplane Current at 24 V | 65 mA (Series A); 35 mA (Series B) |
| Power Dissipation | Voltage: approx. 2.33 W; current: up to 4.00 W (Series A). Series B: 1.86 W voltage / 3.53 W current |
| Removable Terminal Blocks | 1756-TBCH or 1756-TBS6H |
| Special Feature | Conformal coating for enhanced environmental protection |
| Mounting | ControlLogix chassis |
| Operating Temperature | 0 to 60°C |
| Storage Temperature | -40 to 85°C |
| Relative Humidity | 5–95%, non-condensing |
| Dimensions (H × W × D) | Approx. 145 × 35 × 140 mm; estimated module dimensions, not confirmed by the manufacturer |
| Weight | Approx. 0.23 kg (module weight; packaging excluded) |
| Country of Origin | United States (Rockwell Automation listing; manufacturing location may vary) |
| Lifecycle Status | Active |
FAQ
FAQ
Q1: What is the Allen-Bradley 1756-IF16K used for?
A: It is a 16-point analog input module used in ControlLogix systems to collect voltage and current signals from field instruments and transmitters.
Q2: How many input channels does the 1756-IF16K support?
A: It supports 16 single-ended inputs, 8 differential inputs, or 4 high-speed differential inputs, depending on the wiring configuration.
Q3: What input signal types does this module support?
A: It supports voltage ranges of ±10.25 V, 0–10.25 V, and 0–5.125 V, as well as current input from 0–20.5 mA.
Q4: Is the 1756-IF16K conformally coated?
A: Yes. The K suffix identifies the conformal-coated version, providing additional protection for the module’s electronic components.
Q5: What is the difference between 1756-IF16 and 1756-IF16K?
A: Both provide the same basic 16-point analog input functionality. The 1756-IF16K includes conformal coating, while the standard 1756-IF16 does not.
Q6: Which terminal blocks are compatible with the 1756-IF16K?
A: Compatible removable terminal blocks include 1756-TBCH and 1756-TBS6H.
Q7: What are the dimensions and weight of the 1756-IF16K?
A: The estimated module dimensions are approximately 145 × 35 × 140 mm, and its weight is approximately 0.23 kg. Confirm actual packing dimensions and weight with the supplier before shipment.
Q8: Is the 1756-IF16K still available?
A: Yes. Rockwell Automation currently lists the 1756-IF16K as an active product.
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Packing & Delivery
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