Allen-Bradley 1769-IF8 CompactLogix 8 Point Analog Current / Voltage Input Module
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INPUTS
8
Differential or single-ended inputs.
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VOLTAGE
±10 V
Also 0–10 V, 0–5 V and 1–5 V.
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CURRENT
0–20 mA
Also supports 4–20 mA.
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RESOLUTION
16 bit
Unipolar; 15 bits plus sign for bipolar operation.
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| Normal Voltage Ranges ±10 V DC · 0–10 V DC · 0–5 V DC · 1–5 V DC |
Normal Current Ranges 0–20 mA · 4–20 mA |
| Full-Scale Voltage ±10.5 V · 0–10.5 V · 0–5.25 V · 0.5–5.25 V |
Full-Scale Current 0–21 mA · 3.2–21 mA |
| Conversion Delta Sigma |
Rated Working Voltage 30 V AC / 30 V DC |
| 1769-IF8 8 voltage/current inputs; differential or single-ended; up to 16-bit unipolar resolution. |
1769-IF4 4 voltage/current inputs with the same general signal family but lower channel count and different resolution characteristics. |
1769-IF16C 16-channel current-focused input module for applications centered on 0–20 mA and 4–20 mA signals. |
| Miya Zheng · Sales Manager sales@amikon.cn +86 180 2077 6792 |
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| When should a buyer choose 1769-IF8 instead of a current-only analog module?
The 1769-IF8 accepts both voltage and current signal families, including ±10 V, 0–10 V, 0–5 V, 1–5 V, 0–20 mA and 4–20 mA. This makes it suitable where a project combines different analog transmitter types.
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| Does 1769-IF8 allow the eight channels to be wired as differential or single-ended inputs?
Yes. The module is specified for eight differential or single-ended inputs. The appropriate wiring arrangement depends on the field signal and grounding scheme.
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| Is the 1769-IF8 resolution adequate for applications using bipolar ±10 V signals?
The maximum resolution is specified as 16 bits for unipolar operation and 15 bits plus sign for bipolar operation. Therefore, ±10 V applications should be evaluated using the bipolar resolution characteristic rather than the unipolar figure.
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| Can 1769-IF8 be used with standard 4–20 mA process transmitters?
Yes. 4–20 mA is one of the normal operating ranges. The module also supports 0–20 mA, so the configuration should match the actual transmitter and control strategy.
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| What should be checked when replacing another 1769 analog input module with 1769-IF8?
Check channel count, signal type, voltage/current range, differential or single-ended wiring, power consumption, isolation requirements and controller configuration. Matching the physical module alone does not guarantee application compatibility.
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