Allen-Bradley 1756-IF16
Allen-Bradley 1756-IF16 ControlLogix 16 Point A/I Module
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Allen-BradleyPart number :
1756-IF16Payment :
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In StockThe Allen-Bradley 1756-IF16 is a ControlLogix module that features Sixteen (16) single ended or Eight (8) Differential or Four (4) differential high-speed analog input channels. This module supports input signal ranges of ±10V, 0-10V, 0-5V and 0-20 mA with resolution of 320 µV/count (15 bits + sign bipolar) @ ±10.25V; 160 µV/count (16 bits) @ 0-10.25V; 80 µV/count (16 bits) @ 0-5.125V and 0.32 µA/count (16 bits) @ 0-20.5 mA. This module is used with 1756-TBCH or 1756-TBS6H Removable Terminal Block (RTB).
The Allen-Bradley 1756-IF16 is a ControlLogix analog input module. This module accepts current and voltage signals such as ±10V, 0-10V, 0-5V and 0-20 mA. This module supports Three (3) types of signal wiring configuration such as single-ended, differential and high-speed differential wiring. Among the supported wiring configurations, single-ended wiring is the most sensitive to noises and must be used with signals having a common ground. For increased noise susceptibility, differential wiring method is used while high-speed differential wiring is used in systems that require fast data updates, relative to the input signals.
With single-ended wiring, the module becomes a Sixteen (16) channel analog input module. Similarly, the module is reduced to an Eight (8) channel analog input module when used with differential wiring. Furthermore, the module becomes a Four (4) channel analog input module when the module is wired as high-speed differential wiring.
The 1756-IF16 individual resolutions are 320 µV/count (15 bits + sign bipolar) @ ±10.25V input range; 160 µV/count (16 bits) @ 0-10.25V input range; 80 µV/count (16 bits) @ 0-5.125V input range and 0.32 µA/count (16 bits) @ 0-20.5 mA. This module has scan time that varies such as16-488 ms for single-ended; 8-244 ms with differential wiring and 5-122 ms with high-speed differential wiring. It has a built-in analog-to-digital converter circuitry using the Sigma-Delta method. Converted data is stored following integer mode (left justified, 2 s complement) IEEE 32-bit floating point data format. This module has a calibrated accuracy of better than 0.05% of range for Voltage input and 0.15% of range for Current input.
The 1756-IF16 can be wired using three different methods, depending on the user's and application's requirements such as single-ended wiring, differential wiring, and high-speed mode differential wiring. The single-ended wiring method is best when all input devices are tied to a common ground. This is for comparing one side of the signal input to signal ground to get the difference, which is then used by the module in generating digital data for the controller. When applications do not have a common ground or can have separate signal pairs, using the differential wiring method is recommended. This wiring method is also for environments where an improved noise immunity is needed. The channels in a differential mode are not completely isolated from each other. One channel may affect the reading of another channel if multiple differential input signals have different voltage common references. When this happens, users should wire the input on different modules or replace the non-isolated module with an isolated input module. 8 connections are allowed in this mode. Lastly, the high-speed mode differential wiring method allows for the fastest possible data updates. However, certain conditions are required for users to be able to use the high-speed mode. First, it uses the differential wiring method. Second, when in this mode only one of every four channels on the module can be used. The power consumption of the 1756-IF16 module is 2.3 Watts and it has a total backplane power of 2.33 Watts. The input range is ± 10 Volts, from 0 to 10 Volts, 0 to 5 Volts, or 0 to 20 mA.
The current draw of this module at 5.1 Volts is 150 mA, or is 65 mA at 24 Volts. The voltage and current ratings of the backplane are 5.1 Volts DC, 150 mA at maximum, and 24 Volts DC 65 mA at maximum. The input current range is from 4 to 20 mA and the input voltage range is from -10 to 10 Volts and limited to 100VA. The Voltage power dissipation is around 2.3 Watts and the current power dissipation is 3.9 Watts. The thermal dissipation for the voltage is 7.84 BTU/hour and 13.3 BTU/hour for current. It also has a maximum overvoltage protection of 30 Volts DC (voltage) and 8 Volts DC (current).
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FAQ
1.Q:Other suppliers have a better price than yours?
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2.Q:What's the delivery time ?
A: Normally we have enough stock for regular models(such as PLC FX3U-64MR/ES-A ) and we can deliver immediately at the same day after payment received. For some products that is not in stock, we normally deliver within one week.
3.Q:What is the standard of package?
A: Export standard package or special package according to customer requirement.
4.Q: Could Wusu provide technology support?
A: We're in this field for more than 15 years and we have our own technical team. Our engineer could give suggestion and help to solve the problem if there's any problem.
5.Q:Does Wusu keeps goods in stock or only trading?
A: We have warehouses in Guangzhou and HongKong and keep large stock of goods in it, that's how we promise fast delivery.
All products are covered by the Wusu Industrial Automation Company's 1 Year Warranty. Manufacturer's Warranty does not apply.
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