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Description
1756-IF8 Allen-Bradley analog input module
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[service contact information]
Tel: 18059884797 (WeChat with the same number)
QQ：3095989363
Email: sales@xiongbagk.cn
Address: Unit 2009, Chuangxiang Center, No.1733, Lvling Road, Siming District, Xiamen
① 24-hour email reply (12 hours);
③ For shipment to countries outside Asia, please contact the seller.
| Manufacturer | Rockwell Automation |
| Backplane Current (24Volts) | 40 mA |
| Power Dissipation (Max) | Voltage mode: 1.73 W Current mode: 2.33 W |
| Backplane Current (5Volts) | 150 mA |
| Module Type | Analog Input |
| Series | ControlLogix |
| Part Number/Catalog No. | 1756-IF8 |
| Brand | Allen-Bradley |
| No. of Inputs | 8- channel Voltage / Current inputs |
| Conversion Method | Sigma-Delta |
1756-IF8
1756-IF8
1756-IF8
The Allen-Bradley 1756-IF8 is an analog input module from the ControlLogix Programmable Automation Controller (PAC) family. This analog input module features Eight (8) input channels that are configurable for a variety of input signals such as +/-10VDC, 0-10VDC and 0-5VDC Voltage signals and 0-20 mA Current signals. This module is typically used to interface analog signal generating instruments and devices such as transmitters, transducers, signal splitters, signal isolators, panel meters and other similarly capable devices.
The 1756-IF8 is a single slot module with a high-resolution of conversion. It has varying resolution, from 15-bit to 16-bit. Specific module resolution is ±10.25V: 320 µV/count (15 bits plus sign bipolar) for +/-10VDC, 160 µV/count (16 bits); for 0-10VDC, 80 µ/V count (16 bits); for 0-5VDC and 0…20.5mA: 0.32 µA/count (16 bits) for 0-20 mA signals.
There is virtually no limit to the number of installation instances of this module. Most ControlLogix controllers are capable of up to 4000 analog I/O signals. The 1756-IF8 may be installed in the local chassis along the controller or within distributed I/O racks.
The 1756-IF8 used the Sigma-Delta conversion method and saves received signal in Integer mode (left justified, 2 s complement) IEEE 32-bit floating point register. It uses 1756-TBCH and 1756-TBSH removable terminal block (RTB) with user defined, mechanical keying.
The module scan time also varies depending on the wiring configuration. For single eneded wiring, scan time is 16-488 ms, for 4 point differential, scan time is 8-244 ms while 5-122 ms for 2 point differential inputs.
The 1756-IF8 can be wired in three different ways: single-ended wiring, differential wiring, and high-speed mode differential wiring. In single-ended wiring, all the input devices are tied to a common ground and it allows the comparison of one side of the signal input to the signal ground. The difference is then used by the module in generating digital data for the controller. Using the single-ended wiring method maximizes the number of the module’s usable channels. You should use differential wiring when your applications can have separate signal pairs or common ground is unavailable and when you need improved noise immunity in your environment. Channels in this wiring method are not totally isolated from each other. But when you need the fastest data updates possible, you should use the high-speed mode differential wiring method. Note that this mode only allows the use of one out of every four channels on the module. Specific features of the 1756-IF8 include the module filter, under-range/over-range detection, process alarms, wire off detection, multiple input ranges, real-time sampling, digital filter, and rate alarms. Its backplane voltage and current ratings are 5.1 Volts DC, 150 milliamps maximum, 24 Volts DC, and 40 milliamps maximum. It has an input current range of 4 to 20 milliamps and an input voltage range of -10 to 10 Volts. Power consumption is 1.73 Watts and the maximum overvoltage protection is 30 Volts DC (voltage) and 8 Volts DC (current).
Main business:
Our company is mainly engaged in control system (DCS, PLC/SPS, CNC), panel controller, HMI and display panel, industrial PC, driver (inverter and servo system), motor and power supply.
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+++Please read the Terms & Condition before purchase+++
ACCESSORIES – Accessories, manuals, cable and etc that are not in the picture listing or mention, it is NOT INCLUDED.
INTERNATIONAL BUYER – Import duties, taxes and brokerage charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding or buying
WARRANTY – Our warranty is valid for 30 days after initial receipt of item.
SHIPPING SERVICE – Item will be dispatch within a days after receipt payment confirmation, please provided a valid contact number in the shipping address to facilitate the shipping.
RETURN POLICY – For item condition not as described, defective. Please report to us for replacement or refund within 14 days of receipt. -All Returns must be in original condition and include all shipped accessories. All used programable items have program installed, We will not accept return if you cannot factory reset or format or delete the program.
[Friendly reminder]
payment:
bank transfer or Escrow or Paypal or Western Union.
we accept USD and RMB payment both.
Leadtime:
some stock parts can ship out within 3-5days. Some is 3-4weeks for booking.
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Most of our products is ship with original factory new package, We will cover our
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We guarantee that the products provided are original products, the warranty period
of all products is 12 months.
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Please contact Sunny sales@xiongbagk.cn for the best price.
➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com
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