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Allen-Bradley 1756-IF16HK ControlLogix 16-Point HART Analog Input Module – Technical Specifications and FAQ
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Model | 1756-IF16HK |
| Product Series | ControlLogix 1756 |
| Product Type | Analog Current Input Module |
| Product Version | Conformally Coated |
| Number of Inputs | 16 channels |
| Input Configuration | 16 differential inputs |
| Communication Protocol | HART |
| HART Modem | One dedicated HART modem per channel |
| Input Signal Range | 0–20 mA, 4–20 mA |
| Resolution | 16–21 bits |
| Input Impedance | 249 Ω |
| Calibrated Accuracy | Better than 0.13% of range |
| Repeatability | Better than 0.01% of range (15 Hz and 20 Hz filters) |
| Module Error | 0.3% of range |
| HART Scan Time | Approximately 1 second with all 16 channels enabled |
| Backplane Current (Series A) | 200 mA at 5.1 VDC; 125 mA at 24 VDC |
| Backplane Current (Series B) | 230 mA at 5.1 VDC; 100 mA at 24 VDC |
| Maximum Power Dissipation | 6 W |
| Isolation Voltage | Series A: 50 V continuous; Series B: 250 V continuous |
| Compatible Terminal Blocks | 1756-TBCH, 1756-TBS6H |
| Slot Width | 1 ControlLogix slot |
| Operating Temperature | 0–60°C |
| Storage Temperature | -40 to +85°C |
| Relative Humidity | 5–95%, non-condensing |
| Dimensions (W × H × D) | Approximately 35 × 145 × 140 mm |
| Approx. Product Weight | 0.35 kg |
| Country of Origin | USA (Rockwell Automation listing; manufacturing location may vary) |
| Lifecycle Status | Active |
FAQ
FAQ
Q1: What is the Allen-Bradley 1756-IF16HK?
A: It is a 16-channel ControlLogix analog current input module with HART communication, designed for industrial process measurement.
Q2: How many input channels does it provide?
A: It provides 16 differential analog current input channels, each with a dedicated HART modem.
Q3: What input signals does it support?
A: It supports 0–20 mA and 4–20 mA current signals.
Q4: Does the 1756-IF16HK support HART communication?
A: Yes. It supports HART communication, allowing digital information from compatible smart field instruments to be accessed over the analog current loop.
Q5: What is the difference between 1756-IF16H and 1756-IF16HK?
A: Both provide 16-channel HART analog current input functionality. The 1756-IF16HK features conformal coating for additional protection against humidity and environmental contaminants.
Q6: Which terminal blocks are compatible with this module?
A: It supports the 1756-TBCH and 1756-TBS6H removable terminal blocks, which are ordered separately.
Q7: What are the dimensions and weight?
A: Approximate dimensions are 35 × 145 × 140 mm (W × H × D), and the product weight is approximately 0.35 kg.
Q8: What applications is the 1756-IF16HK suitable for?
A: It is suitable for industrial process automation, including pressure, temperature, flow and level measurement using HART-compatible transmitters.
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Packing & Delivery
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