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1771-IT

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Allen Bradley | PLC-5 | 1771-IT | Image

Allen Bradley | PLC-5 | 1771-IT | Image Allen Bradley | PLC-5 | 1771-IT | Image

SKU 2172037  UPC 0799705797765

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The Allen-Bradley 1771-IT is a digital input module and it has a current consumption rating of 74 milliamperes which is drawn from the backplane. The 1771-IT module operates at a voltage range of between 12 and 27 volts. The 1771-IT has 8 inputs and a maximum off-state current of 1300 amperes. The 1771-IT occupies a slot in the 1771 Input and Output chassis. Also, the 1771-IT has an input current (nominal) of 8 milliamperes at 12V DC and 24 milliamperes at 24V DC. The module has an on/off input signal delay of 0.6 +/-0.2 milliseconds.

In addition, the 1771-IT module has an input resistance of 1-2K ohms and of 2-3 kilo ohms for powering On and Off, respectively. The 1771-IT has a 1500V AC rms isolation (opto-electrical). The input module also has a maximum and minimum thermal dissipation rating of 20 and 1.3 BTU per hour, respectively. For power dissipation, the module has a rating of 5.9W and 0.4W maximum and minimum, respectively.

Additionally, the 1771-IT is keyed using pins 6-8, and 32-34 and it uses the 1771-WA wiring arm which supports a 14-gauge wire size with 3/64-inch insulation. The module uses voltage differences to determine a logical high or low setting. A voltage of 0-4 volts represents a logical 0 while a voltage of between 10-27 volts represents a logical 1. When installing the 1771-IT module in the Input and Output chassis, disconnect or switch off the power to the I/O chassis to prevent damage to the 1771-IT module, damage to other modules in the chassis, and injury to personnel.

PDF Electric & Supply Inc. sells new, new surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with PDF Electric & Supply Inc. and not the manufacturer. PDF Electric & Supply Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products. The products listed on this website may vary as to their country of origin; the accessories, and other items included with the product; and the language used on the packaging, the parts, and any related instructions or printed material related to the products. This website is not sanctioned or approved by any manufacturer or tradename listed. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.

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